#include <stdio.h>
#include <string.h>
#include <stdlib.h>
+#include "catalog/catname.h"
#include "type.h"
#include "extern.h"
-static void yyerror(char *);
-
/*
* Variables containing simple states.
*/
-int debugging = 0;
static int struct_level = 0;
-static char *do_str = NULL;
+static char *do_str = NULL, errortext[128];
static int do_length = 0;
+static int QueryIsRule = 0;
/* temporarily store record members while creating the data structure */
struct ECPGrecord_member *record_member_list[128] = { NULL };
+/* keep a list of cursors */
+struct cursor *cur = NULL;
+
/*
* Handle the filename and line numbering.
*/
{
case W_SQLPRINT: fprintf(yyout, "sqlprint();");
break;
- case W_GOTO: fprintf(yyout, "goto %s;", w->str);
+ case W_GOTO: fprintf(yyout, "goto %s;", w->command);
break;
- case W_DO: fprintf(yyout, "%s;", w->str);
+ case W_DO: fprintf(yyout, "%s;", w->command);
break;
case W_STOP: fprintf(yyout, "exit (1);");
break;
}
/*
- * Handling of the variables.
+ * Handling of variables.
*/
/*
find_variable(char * name)
{
struct variable * p;
+ char * errorstring = (char *) mm_alloc(strlen(name) + 100);
for (p = allvariables; p; p = p->next)
{
return p;
}
- {
- char * errorstring = (char *) malloc(strlen(name) + 100);
-
- sprintf(errorstring, "The variable :%s is not declared.", name);
+ sprintf(errorstring, "The variable :%s is not declared", name);
+ yyerror(errorstring);
+ free (errorstring);
- yyerror(errorstring);
- }
return NULL;
}
static void
new_variable(const char * name, struct ECPGtype * type)
{
- struct variable * p = (struct variable*) malloc(sizeof(struct variable));
+ struct variable * p = (struct variable*) mm_alloc(sizeof(struct variable));
p->name = strdup(name);
p->type = type;
*/
struct arguments {
struct variable * variable;
+ struct variable * indicator;
struct arguments * next;
};
static struct arguments * argsinsert = NULL;
static struct arguments * argsresult = NULL;
+static struct ECPGtype ecpg_no_indicator = {ECPGt_NO_INDICATOR, 0L, {NULL}};
+static struct variable no_indicator = {"no_indicator", &ecpg_no_indicator, 0, NULL};
+
static void
reset_variables(void)
{
/* Add a variable to a request. */
static void
-add_variable(struct arguments ** list, struct variable * var)
+add_variable(struct arguments ** list, struct variable * var, struct variable * ind)
{
- struct arguments * p = (struct arguments *)malloc(sizeof(struct arguments));
+ struct arguments * p = (struct arguments *)mm_alloc(sizeof(struct arguments));
p->variable = var;
+ p->indicator = ind;
p->next = *list;
*list = p;
}
dump_variables(list->next);
- /* Then the current element. */
- ECPGdump_a_type(yyout, list->variable->name, list->variable->type, NULL);
+ /* Then the current element and its indicator */
+ ECPGdump_a_type(yyout, list->variable->name, list->variable->type, list->indicator->name, list->indicator->type, NULL, NULL);
/* Then release the list element. */
free(list);
}
+
+static void
+check_indicator(struct ECPGtype *var)
+{
+ /* make sure this is a valid indicator variable */
+ switch (var->typ)
+ {
+ struct ECPGrecord_member *p;
+
+ case ECPGt_short:
+ case ECPGt_int:
+ case ECPGt_long:
+ case ECPGt_unsigned_short:
+ case ECPGt_unsigned_int:
+ case ECPGt_unsigned_long:
+ break;
+
+ case ECPGt_record:
+ for (p = var->u.members; p; p = p->next)
+ check_indicator(p->typ);
+ break;
+
+ case ECPGt_array:
+ check_indicator(var->u.element);
+ break;
+ default:
+ yyerror ("indicator variable must be integer type");
+ break;
+ }
+}
+
+static char *
+cat2_str(const char *str1, const char *str2)
+{
+ char * res_str = (char *)mm_alloc(strlen(str1) + strlen(str2) + 1);
+
+ strcpy(res_str, str1);
+ strcat(res_str, str2);
+ return(res_str);
+}
+
+static char *
+make2_str(const char *str1, const char *str2)
+{
+ char * res_str = (char *)mm_alloc(strlen(str1) + strlen(str2) + 2);
+
+ strcpy(res_str, str1);
+ strcat(res_str, " ");
+ strcat(res_str, str2);
+ return(res_str);
+}
+
+static char *
+cat3_str(const char *str1, const char *str2, const char * str3)
+{
+ char * res_str = (char *)mm_alloc(strlen(str1) + strlen(str2) + strlen(str3) + 1);
+
+ strcpy(res_str, str1);
+ strcat(res_str, str2);
+ strcat(res_str, str3);
+ return(res_str);
+}
+
+static char *
+make3_str(const char *str1, const char *str2, const char * str3)
+{
+ char * res_str = (char *)mm_alloc(strlen(str1) + strlen(str2) + strlen(str3) + 3);
+
+ strcpy(res_str, str1);
+ strcat(res_str, " ");
+ strcat(res_str, str2);
+ strcat(res_str, " ");
+ strcat(res_str, str3);
+ return(res_str);
+}
+
+static char *
+cat4_str(const char *str1, const char *str2, const char *str3, const char *str4)
+{
+ char * res_str = (char *)mm_alloc(strlen(str1) + strlen(str2) + strlen(str3) + strlen(str4) + 1);
+
+ strcpy(res_str, str1);
+ strcat(res_str, str2);
+ strcat(res_str, str3);
+ strcat(res_str, str4);
+ return(res_str);
+}
+
+static char *
+make4_str(const char *str1, const char *str2, const char *str3, const char *str4)
+{
+ char * res_str = (char *)mm_alloc(strlen(str1) + strlen(str2) + strlen(str3) + strlen(str4) + 4);
+
+ strcpy(res_str, str1);
+ strcat(res_str, " ");
+ strcat(res_str, str2);
+ strcat(res_str, " ");
+ strcat(res_str, str3);
+ strcat(res_str, " ");
+ strcat(res_str, str4);
+ return(res_str);
+}
+
+static char *
+cat5_str(const char *str1, const char *str2, const char *str3, const char *str4, const char *str5)
+{
+ char * res_str = (char *)mm_alloc(strlen(str1) + strlen(str2) + strlen(str3) + strlen(str4) + strlen(str5) + 1);
+
+ strcpy(res_str, str1);
+ strcat(res_str, str2);
+ strcat(res_str, str3);
+ strcat(res_str, str4);
+ strcat(res_str, str5);
+ return(res_str);
+}
+
+static char *
+make5_str(const char *str1, const char *str2, const char *str3, const char *str4, const char *str5)
+{
+ char * res_str = (char *)mm_alloc(strlen(str1) + strlen(str2) + strlen(str3) + strlen(str4) + strlen(str5) + 5);
+
+ strcpy(res_str, str1);
+ strcat(res_str, " ");
+ strcat(res_str, str2);
+ strcat(res_str, " ");
+ strcat(res_str, str3);
+ strcat(res_str, " ");
+ strcat(res_str, str4);
+ strcat(res_str, " ");
+ strcat(res_str, str5);
+ return(res_str);
+}
+
+static char *
+make_name(void)
+{
+ char * name = (char *)mm_alloc(yyleng + 1);
+
+ strncpy(name, yytext, yyleng);
+ name[yyleng] = '\0';
+ return(name);
+}
+
+static void
+output_statement(const char * stmt)
+{
+ fprintf(yyout, "ECPGdo(__LINE__, \"%s\", ", stmt);
+
+ /* dump variables to C file*/
+ dump_variables(argsinsert);
+ fputs("ECPGt_EOIT, ", yyout);
+ dump_variables(argsresult);
+ fputs("ECPGt_EORT);", yyout);
+ whenever_action();
+}
%}
%union {
- int tagname;
- struct ECPGtemp_type type;
- char * symbolname;
- long indexsize;
- enum ECPGttype type_enum;
- struct when action;
-}
-
-%token <tagname> SQL_START SQL_SEMI SQL_STRING SQL_INTO SQL_IN
-%token <tagname> SQL_BEGIN SQL_END SQL_DECLARE SQL_SECTION SQL_INCLUDE
-%token <tagname> SQL_CONNECT SQL_OPEN SQL_EXECUTE SQL_IMMEDIATE
-%token <tagname> SQL_COMMIT SQL_ROLLBACK SQL_RELEASE SQL_WORK SQL_WHENEVER
-%token <tagname> SQL_SQLERROR SQL_NOT_FOUND SQL_CONTINUE SQL_FROM SQL_FETCH
-%token <tagname> SQL_DO SQL_GOTO SQL_SQLPRINT SQL_STOP SQL_CONV
-%token <tagname> SQL_ABORT SQL_TRANSACTION SQL_VACUUM
-
-%token <tagname> S_SYMBOL S_LENGTH S_ANYTHING S_LABEL
-%token <tagname> S_VARCHAR S_VARCHAR2
-%token <tagname> S_EXTERN S_STATIC S_AUTO S_CONST S_REGISTER S_STRUCT
-%token <tagname> S_UNSIGNED S_SIGNED
-%token <tagname> S_LONG S_SHORT S_INT S_CHAR S_FLOAT S_DOUBLE S_BOOL
-%token <tagname> '[' ']' ';' ',' '{' '}' '=' '*' '(' ')'
-
-%type <type> type type_detailed varchar_type simple_type struct_type string_type
-/* % type <type> array_type pointer_type */
-%type <symbolname> symbol label transactionstmt
-%type <tagname> maybe_storage_clause varchar_tag db_name cursor
-%type <type_enum> simple_tag char_tag
-%type <indexsize> index length
-%type <action> action
-%type <tagname> canything sqlanything both_anything vartext sqlcommand
-%type <tagname> transbegin, transend, transabort
-%%
-prog : statements;
-
-statements : /* empty */
- | statements statement;
-
-statement : sqlconnect
- | sqldeclaration
- | sqlexecute
- | sqlfetch
- | sqlinclude
- | sqlopen
- | sqlstatement
- | sqltransaction
- | sqlwhenever
- | blockstart
- | blockend
- | cthing;
-
-sqldeclaration : sql_startdeclare
- variable_declarations
- sql_enddeclare;
-
-sql_startdeclare : SQL_START SQL_BEGIN SQL_DECLARE SQL_SECTION SQL_SEMI {
- fprintf(yyout, "/* exec sql begin declare section */\n");
- output_line_number();
+ double dval;
+ int ival;
+ char * str;
+ struct ECPGtemp_type type;
+ struct when action;
+ int tagname;
+ enum ECPGttype type_enum;
}
-sql_enddeclare : SQL_START SQL_END SQL_DECLARE SQL_SECTION SQL_SEMI {
- fprintf(yyout,"/* exec sql end declare section */\n");
+/* special embedded SQL token */
+%token SQL_CONNECT SQL_CONTINUE SQL_FOUND SQL_GO SQL_GOTO
+%token SQL_IMMEDIATE SQL_INDICATOR SQL_OPEN
+%token SQL_SECTION SQL_SEMI SQL_SQLERROR SQL_SQLPRINT SQL_START
+%token SQL_STOP SQL_WHENEVER
+
+/* C token */
+%token S_ANYTHING S_AUTO S_BOOL S_CHAR S_CONST S_DOUBLE S_EXTERN
+%token S_FLOAT S_INT
+%token S_LONG S_REGISTER S_SHORT S_SIGNED S_STATIC S_STRUCT S_UNSIGNED
+%token S_VARCHAR
+
+/* I need this and don't know where it is defined inside the backend */
+%token TYPECAST
+
+/* Keywords (in SQL92 reserved words) */
+%token ACTION, ADD, ALL, ALTER, AND, ANY AS, ASC,
+ BEGIN_TRANS, BETWEEN, BOTH, BY,
+ CASCADE, CAST, CHAR, CHARACTER, CHECK, CLOSE, COLLATE, COLUMN, COMMIT,
+ CONSTRAINT, CREATE, CROSS, CURRENT, CURRENT_DATE, CURRENT_TIME,
+ CURRENT_TIMESTAMP, CURRENT_USER, CURSOR,
+ DAY_P, DECIMAL, DECLARE, DEFAULT, DELETE, DESC, DISTINCT, DOUBLE, DROP,
+ END_TRANS, EXECUTE, EXISTS, EXTRACT,
+ FETCH, FLOAT, FOR, FOREIGN, FROM, FULL,
+ GRANT, GROUP, HAVING, HOUR_P,
+ IN, INNER_P, INSERT, INTERVAL, INTO, IS,
+ JOIN, KEY, LANGUAGE, LEADING, LEFT, LIKE, LOCAL,
+ MATCH, MINUTE_P, MONTH_P,
+ NATIONAL, NATURAL, NCHAR, NO, NOT, NOTIFY, NULL_P, NUMERIC,
+ ON, OPTION, OR, ORDER, OUTER_P,
+ PARTIAL, POSITION, PRECISION, PRIMARY, PRIVILEGES, PROCEDURE, PUBLIC,
+ REFERENCES, REVOKE, RIGHT, ROLLBACK,
+ SECOND_P, SELECT, SET, SUBSTRING,
+ TABLE, TIME, TIMESTAMP, TO, TRAILING, TRANSACTION, TRIM,
+ UNION, UNIQUE, UPDATE, USING,
+ VALUES, VARCHAR, VARYING, VIEW,
+ WHERE, WITH, WORK, YEAR_P, ZONE
+
+/* Keywords (in SQL3 reserved words) */
+%token FALSE_P, TRIGGER, TRUE_P
+
+/* Keywords (in SQL92 non-reserved words) */
+%token TYPE_P
+
+/* Keywords for Postgres support (not in SQL92 reserved words) */
+%token ABORT_TRANS, AFTER, AGGREGATE, ANALYZE,
+ BACKWARD, BEFORE, BINARY, CACHE, CLUSTER, COPY, CYCLE,
+ DATABASE, DELIMITERS, DO, EACH, EXPLAIN, EXTEND,
+ FORWARD, FUNCTION, HANDLER,
+ INCREMENT, INDEX, INHERITS, INSTEAD, ISNULL,
+ LANCOMPILER, LISTEN, LOAD, LOCK_P, LOCATION, MAXVALUE, MINVALUE, MOVE,
+ NEW, NONE, NOTHING, NOTNULL, OIDS, OPERATOR, PROCEDURAL,
+ RECIPE, RENAME, RESET, RETURNS, ROW, RULE,
+ SEQUENCE, SETOF, SHOW, START, STATEMENT, STDIN, STDOUT, TRUSTED,
+ VACUUM, VERBOSE, VERSION
+
+/* Keywords (obsolete; retain through next version for parser - thomas 1997-12-0 4) */
+%token ARCHIVE
+
+/*
+ * Tokens for pg_passwd support. The CREATEDB and CREATEUSER tokens should go a way
+ * when some sort of pg_privileges relation is introduced.
+ *
+ * Todd A. Brandys
+ */
+%token USER, PASSWORD, CREATEDB, NOCREATEDB, CREATEUSER, NOCREATEUSER, VALID, UNTIL
+
+/* Special keywords, not in the query language - see the "lex" file */
+%token <str> IDENT SCONST Op
+%token <ival> ICONST PARAM
+%token <dval> FCONST
+
+/* these are not real. they are here so that they get generated as #define's*/
+%token OP
+
+/* precedence */
+%left OR
+%left AND
+%right NOT
+%right '='
+%nonassoc '<' '>'
+%nonassoc LIKE
+%nonassoc BETWEEN
+%nonassoc IN
+%nonassoc Op /* multi-character ops and user-defined operators */
+%nonassoc NOTNULL
+%nonassoc ISNULL
+%nonassoc IS
+%left '+' '-'
+%left '*' '/'
+%left '|' /* this is the relation union op, not logical or */
+/* Unary Operators */
+%right ':'
+%left ';' /* end of statement or natural log */
+%right UMINUS
+%left '.'
+%left '[' ']'
+%nonassoc TYPECAST
+%nonassoc REDUCE
+%left UNION
+
+%type <str> Iconst Sconst TransactionStmt CreateStmt UserId
+%type <str> CreateAsElement OptCreateAs CreateAsList CreateAsStmt
+%type <str> OptArchiveType OptInherit key_reference key_action
+%type <str> key_match constraint_expr ColLabel SpecialRuleRelation
+%type <str> ColId default_expr ColQualifier columnDef ColQualList
+%type <str> ColConstraint ColConstraintElem default_list
+%type <str> OptTableElementList OptTableElement TableConstraint
+%type <str> ConstraintElem key_actions constraint_list TypeId
+%type <str> res_target_list res_target_el res_target_list2
+%type <str> res_target_el2 opt_id relation_name database_name
+%type <str> access_method attr_name class index_name name func_name
+%type <str> file_name recipe_name AexprConst ParamNo NumConst TypeId
+%type <str> in_expr_nodes not_in_expr_nodes a_expr b_expr
+%type <str> opt_indirection expr_list extract_list extract_arg
+%type <str> position_list position_expr substr_list substr_from
+%type <str> trim_list in_expr substr_for not_in_expr attr attrs
+%type <str> Typename Array Generic Numeric generic opt_float opt_numeric
+%type <str> opt_decimal Character character opt_varying opt_charset
+%type <str> opt_collate Datetime datetime opt_timezone opt_interval
+%type <str> numeric a_expr_or_null row_expr row_descriptor row_list
+%type <str> SelectStmt union_clause select_list SubSelect result
+%type <str> opt_table opt_union opt_unique sort_clause sortby_list
+%type <str> sortby OptUseOp opt_inh_star relation_name_list name_list
+%type <str> group_clause groupby_list groupby having_clause from_clause
+%type <str> from_list from_val join_expr join_outer join_spec join_list
+%type <str> join_using where_clause relation_expr opt_array_bounds
+%type <str> nest_array_bounds opt_column_list insert_rest InsertStmt
+%type <str> columnList DeleteStmt LockStmt UpdateStmt CursorStmt
+%type <str> NotifyStmt columnElem copy_dirn OptimizableStmt
+%type <str> copy_delimiter ListenStmt CopyStmt copy_file_name opt_binary
+%type <str> opt_with_copy FetchStmt opt_direction fetch_how_many opt_portal_name
+%type <str> ClosePortalStmt DestroyStmt VacuumStmt opt_verbose
+%type <str> opt_analyze opt_va_list va_list ExplainStmt index_params
+%type <str> index_list func_index index_elem opt_type opt_class access_method_clause
+%type <str> index_opt_unique IndexStmt set_opt func_return def_rest
+%type <str> func_args_list func_args opt_with ProcedureStmt def_arg
+%type <str> def_elem def_list definition def_name def_type DefineStmt
+%type <str> opt_instead event event_object OptStmtMulti OptStmtBlock
+%type <str> OptStmtList RuleStmt opt_column opt_name oper_argtypes
+%type <str> MathOp RemoveOperStmt RemoveFuncStmt aggr_argtype
+%type <str> RemoveAggrStmt remove_type RemoveStmt ExtendStmt RecipeStmt
+%type <str> RemoveOperStmt RenameStmt all_Op user_valid_clause
+%type <str> VariableSetStmt var_value zone_value VariableShowStmt
+%type <str> VariableResetStmt AddAttrStmt alter_clause DropUserStmt
+%type <str> user_passwd_clause user_createdb_clause
+%type <str> user_createuser_clause user_group_list user_group_clause
+%type <str> CreateUserStmt AlterUserStmt CreateSeqStmt OptSeqList
+%type <str> OptSeqElem TriggerForSpec TriggerForOpt TriggerForType
+%type <str> TriggerFuncArgs DropTrigStmt TriggerOneEvent TriggerEvents
+%type <str> TriggerActionTime CreateTrigStmt DropPLangStmt PLangTrusted
+%type <str> CreatePLangStmt IntegerOnly TriggerFuncArgs TriggerFuncArg
+%type <str> ViewStmt LoadStmt CreatedbStmt opt_database location
+%type <str> DestroydbStmt ClusterStmt grantee RevokeStmt
+%type <str> GrantStmt privileges operation_commalist operation
+
+%type <str> ECPGWhenever ECPGConnect db_name ECPGOpen open_opts
+%type <str> indicator ECPGExecute c_expr
+%type <str> stmt symbol
+
+%type <action> action
+
+%%
+prog: statements;
+
+statements: /* empty */
+ | statements statement
+
+statement: ecpgstart stmt SQL_SEMI
+ | ECPGDeclaration
+ | c_anything
+ | blockstart
+ | blockend
+
+stmt: AddAttrStmt { output_statement($1); }
+ | AlterUserStmt { output_statement($1); }
+ | ClosePortalStmt { output_statement($1); }
+ | CopyStmt { output_statement($1); }
+ | CreateStmt { output_statement($1); }
+ | CreateAsStmt { output_statement($1); }
+ | CreateSeqStmt { output_statement($1); }
+ | CreatePLangStmt { output_statement($1); }
+ | CreateTrigStmt { output_statement($1); }
+ | CreateUserStmt { output_statement($1); }
+ | ClusterStmt { output_statement($1); }
+ | DefineStmt { output_statement($1); }
+ | DestroyStmt { output_statement($1); }
+ | DropPLangStmt { output_statement($1); }
+ | DropTrigStmt { output_statement($1); }
+ | DropUserStmt { output_statement($1); }
+ | ExtendStmt { output_statement($1); }
+ | ExplainStmt { output_statement($1); }
+ | FetchStmt { output_statement($1); }
+ | GrantStmt { output_statement($1); }
+ | IndexStmt { output_statement($1); }
+ | ListenStmt { output_statement($1); }
+ | LockStmt { output_statement($1); }
+ | ProcedureStmt { output_statement($1); }
+ | RecipeStmt { output_statement($1); }
+ | RemoveAggrStmt { output_statement($1); }
+ | RemoveOperStmt { output_statement($1); }
+ | RemoveFuncStmt { output_statement($1); }
+ | RemoveStmt { output_statement($1); }
+ | RenameStmt { output_statement($1); }
+ | RevokeStmt { output_statement($1); }
+ | OptimizableStmt { /* already written out */ }
+ | RuleStmt { output_statement($1); }
+ | TransactionStmt {
+ fprintf(yyout, "ECPGtrans(__LINE__, \"%s\");", $1);
+ whenever_action();
+ }
+ | ViewStmt { output_statement($1); }
+ | LoadStmt { output_statement($1); }
+ | CreatedbStmt { output_statement($1); }
+ | DestroydbStmt { output_statement($1); }
+ | VacuumStmt { output_statement($1); }
+ | VariableSetStmt { output_statement($1); }
+ | VariableShowStmt { output_statement($1); }
+ | VariableResetStmt { output_statement($1); }
+ | ECPGConnect {
+ fprintf(yyout, "ECPGconnect(\"%s\");", $1);
+ whenever_action();
+ }
+/* | ECPGDisconnect */
+ | ECPGExecute {
+ fprintf(yyout, "ECPGdo(__LINE__, %s, ECPGt_EOIT, ECPGt_EORT);", $1);
+ whenever_action();
+ }
+ | ECPGOpen { output_statement($1); }
+ | ECPGWhenever {
+ fputs($1, yyout);
+ output_line_number();
+ }
+
+/*
+ * We start with a lot of stuff that's very similar to the backend's parsing
+ */
+
+/*****************************************************************************
+ *
+ * Create a new Postgres DBMS user
+ *
+ *
+ *****************************************************************************/
+
+CreateUserStmt: CREATE USER UserId user_passwd_clause user_createdb_clause
+ user_createuser_clause user_group_clause user_valid_clause
+ {
+ $$ = make3_str(make5_str("create user", $3, $4, $5, $6), $7, $8);
+ }
+ ;
+
+/*****************************************************************************
+ *
+ * Alter a postresql DBMS user
+ *
+ *
+ *****************************************************************************/
+
+AlterUserStmt: ALTER USER UserId user_passwd_clause user_createdb_clause
+ user_createuser_clause user_group_clause user_valid_clause
+ {
+ $$ = make3_str(make5_str("alter user", $3, $4, $5, $6), $7, $8);
+ }
+ ;
+
+/*****************************************************************************
+ *
+ * Drop a postresql DBMS user
+ *
+ *
+ *****************************************************************************/
+
+DropUserStmt: DROP USER UserId
+ {
+ $$ = make2_str("drop user", $3);
+ }
+ ;
+
+user_passwd_clause: WITH PASSWORD UserId { $$ = make2_str("with password", $3); }
+ | /*EMPTY*/ { $$ = ""; }
+ ;
+
+user_createdb_clause: CREATEDB
+ {
+ $$ = "createdb";
+ }
+ | NOCREATEDB
+ {
+ $$ = "nocreatedb";
+ }
+ | /*EMPTY*/ { $$ = ""; }
+ ;
+
+user_createuser_clause: CREATEUSER
+ {
+ $$ = "createuser";
+ }
+ | NOCREATEUSER
+ {
+ $$ = "nocreateuser";
+ }
+ | /*EMPTY*/ { $$ = NULL; }
+ ;
+
+user_group_list: user_group_list ',' UserId
+ {
+ $$ = make3_str($1, ",", $3);
+ }
+ | UserId
+ {
+ $$ = $1;
+ }
+ ;
+
+user_group_clause: IN GROUP user_group_list { $$ = make2_str("in group", $3); }
+ | /*EMPTY*/ { $$ = ""; }
+ ;
+
+user_valid_clause: VALID UNTIL SCONST { $$ = make2_str("valid until", $3);; }
+ | /*EMPTY*/ { $$ = ""; }
+ ;
+
+/*****************************************************************************
+ *
+ * Set PG internal variable
+ * SET name TO 'var_value'
+ * Include SQL92 syntax (thomas 1997-10-22):
+ * SET TIME ZONE 'var_value'
+ *
+ *****************************************************************************/
+
+VariableSetStmt: SET ColId TO var_value
+ {
+ $$ = make4_str("set", $2, "to", $4);
+ }
+ | SET ColId '=' var_value
+ {
+ $$ = make4_str("set", $2, "=", $4);
+ }
+ | SET TIME ZONE zone_value
+ {
+ $$ = make2_str("set time zone", $4);
+ }
+ ;
+
+var_value: Sconst { $$ = $1; }
+ | DEFAULT { $$ = "default"; }
+ ;
+
+zone_value: Sconst { $$ = $1; }
+ | DEFAULT { $$ = "default"; }
+ | LOCAL { $$ = "local"; }
+ ;
+
+VariableShowStmt: SHOW ColId
+ {
+ $$ = make2_str("show", $2);
+ }
+ | SHOW TIME ZONE
+ {
+ $$ = "show time zone";
+ }
+ ;
+
+VariableResetStmt: RESET ColId
+ {
+ $$ = make2_str("reset", $2);
+ }
+ | RESET TIME ZONE
+ {
+ $$ = "reset time zone";
+ }
+ ;
+
+
+/*****************************************************************************
+ *
+ * QUERY :
+ * addattr ( attr1 = type1 .. attrn = typen ) to <relname> [*]
+ *
+ *****************************************************************************/
+
+AddAttrStmt: ALTER TABLE relation_name opt_inh_star alter_clause
+ {
+ $$ = make4_str("alter table", $3, $4, $5);
+ }
+ ;
+
+alter_clause: ADD opt_column columnDef
+ {
+ $$ = make3_str("add", $2, $3);
+ }
+ | ADD '(' OptTableElementList ')'
+ {
+ $$ = cat3_str("add(", $3, ")");
+ }
+ | DROP opt_column ColId
+ { yyerror("ALTER TABLE/DROP COLUMN not yet implemented"); }
+ | ALTER opt_column ColId SET DEFAULT default_expr
+ { yyerror("ALTER TABLE/ALTER COLUMN/SET DEFAULT not yet implemented"); }
+ | ALTER opt_column ColId DROP DEFAULT
+ { yyerror("ALTER TABLE/ALTER COLUMN/DROP DEFAULT not yet implemented"); }
+ | ADD ConstraintElem
+ { yyerror("ALTER TABLE/ADD CONSTRAINT not yet implemented"); }
+ ;
+
+/*****************************************************************************
+ *
+ * QUERY :
+ * close <optname>
+ *
+ *****************************************************************************/
+
+ClosePortalStmt: CLOSE opt_id
+ {
+ $$ = make2_str("close", $2);
+ }
+ ;
+
+
+/*****************************************************************************
+ *
+ * QUERY :
+ * COPY [BINARY] <relname> FROM/TO
+ * [USING DELIMITERS <delimiter>]
+ *
+ *****************************************************************************/
+
+CopyStmt: COPY opt_binary relation_name opt_with_copy copy_dirn copy_file_name copy_delimiter
+ {
+ $$ = make3_str(make5_str("copy", $2, $3, $4, $5), $6, $7);
+ }
+ ;
+
+copy_dirn: TO
+ { $$ = "to"; }
+ | FROM
+ { $$ = "from"; }
+ ;
+
+/*
+ * copy_file_name NULL indicates stdio is used. Whether stdin or stdout is
+ * used depends on the direction. (It really doesn't make sense to copy from
+ * stdout. We silently correct the "typo". - AY 9/94
+ */
+copy_file_name: Sconst { $$ = $1; }
+ | STDIN { $$ = "stdin"; }
+ | STDOUT { $$ = "stdout"; }
+ ;
+
+opt_binary: BINARY { $$ = "binary"; }
+ | /*EMPTY*/ { $$ = ""; }
+ ;
+
+opt_with_copy: WITH OIDS { $$ = "with oids"; }
+ | /*EMPTY*/ { $$ = ""; }
+ ;
+
+/*
+ * the default copy delimiter is tab but the user can configure it
+ */
+copy_delimiter: USING DELIMITERS Sconst { $$ = make2_str("using delimiters", $3); }
+ | /*EMPTY*/ { $$ = ""; }
+ ;
+
+
+
+/*****************************************************************************
+ *
+ * QUERY :
+ * CREATE relname
+ *
+ *****************************************************************************/
+
+CreateStmt: CREATE TABLE relation_name '(' OptTableElementList ')'
+ OptInherit OptArchiveType
+ {
+ $$ = make5_str("create table", $3, cat3_str("(", $5, ")"), $7, $8);
+ }
+ ;
+
+OptTableElementList: OptTableElementList ',' OptTableElement
+ {
+ $$ = make3_str($1, ",", $3);
+ }
+ | OptTableElement
+ {
+ $$ = $1;
+ }
+ | /*EMPTY*/ { $$ = ""; }
+ ;
+
+OptTableElement: columnDef { $$ = $1; }
+ | TableConstraint { $$ = $1; }
+ ;
+
+columnDef: ColId Typename ColQualifier
+ {
+ $$ = make3_str($1, $2, $3);
+ }
+ ;
+
+ColQualifier: ColQualList { $$ = $1; }
+ | /*EMPTY*/ { $$ = ""; }
+ ;
+
+ColQualList: ColQualList ColConstraint { $$ = make2_str($1,$2); }
+ | ColConstraint { $$ = $1; }
+ ;
+
+ColConstraint:
+ CONSTRAINT name ColConstraintElem
+ {
+ $$ = make3_str("constraint", $2, $3);
+ }
+ | ColConstraintElem
+ { $$ = $1; }
+ ;
+
+ColConstraintElem: CHECK '(' constraint_expr ')'
+ {
+ $$ = cat3_str("check(", $3, ")");
+ }
+ | DEFAULT default_expr
+ {
+ $$ = make2_str("default", $2);
+ }
+ | NOT NULL_P
+ {
+ $$ = "not null";
+ }
+ | UNIQUE
+ {
+ $$ = "unique";
+ }
+ | PRIMARY KEY
+ {
+ $$ = "primary key";
+ }
+ | REFERENCES ColId opt_column_list key_match key_actions
+ {
+ fprintf(stderr, "CREATE TABLE/FOREIGN KEY clause ignored; not yet implemented");
+ $$ = "";
+ }
+ ;
+
+default_list: default_list ',' default_expr
+ {
+ $$ = make3_str($1, ",", $3);
+ }
+ | default_expr
+ {
+ $$ = $1;
+ }
+ ;
+
+default_expr: AexprConst
+ { $$ = $1; }
+ | NULL_P
+ { $$ = "null"; }
+ | '-' default_expr %prec UMINUS
+ { $$ = make2_str("-", $2); }
+ | default_expr '+' default_expr
+ { $$ = make3_str($1, "+", $3); }
+ | default_expr '-' default_expr
+ { $$ = make3_str($1, "-", $3); }
+ | default_expr '/' default_expr
+ { $$ = make3_str($1, "/", $3); }
+ | default_expr '*' default_expr
+ { $$ = make3_str($1, "*", $3); }
+ | default_expr '=' default_expr
+ { yyerror("boolean expressions not supported in DEFAULT"); }
+ | default_expr '<' default_expr
+ { yyerror("boolean expressions not supported in DEFAULT"); }
+ | default_expr '>' default_expr
+ { yyerror("boolean expressions not supported in DEFAULT"); }
+/* not possible in embedded sql
+ | ':' default_expr
+ { $$ = make2_str(":", $2); }
+*/
+ | ';' default_expr
+ { $$ = make2_str(";", $2); }
+ | '|' default_expr
+ { $$ = make2_str("|", $2); }
+ | default_expr TYPECAST Typename
+ { $$ = make3_str($1, "::", $3); }
+ | CAST '(' default_expr AS Typename ')'
+ {
+ $$ = make3_str(cat2_str("cast(", $3) , "as", cat2_str($5, ")"));
+ }
+ | '(' default_expr ')'
+ { $$ = cat3_str("(", $2, ")"); }
+ | func_name '(' ')'
+ { $$ = make2_str($1, "()"); }
+ | func_name '(' default_list ')'
+ { $$ = make2_str($1, cat3_str("(", $3, ")")); }
+ | default_expr Op default_expr
+ {
+ if (!strcmp("<=", $2) || !strcmp(">=", $2))
+ yyerror("boolean expressions not supported in DEFAULT");
+ $$ = make3_str($1, $2, $3);
+ }
+ | Op default_expr
+ { $$ = make2_str($1, $2); }
+ | default_expr Op
+ { $$ = make2_str($1, $2); }
+ /* XXX - thomas 1997-10-07 v6.2 function-specific code to be changed */
+ | CURRENT_DATE
+ { $$ = "current_date"; }
+ | CURRENT_TIME
+ { $$ = "current_time"; }
+ | CURRENT_TIME '(' Iconst ')'
+ {
+ if ($3 != 0)
+ fprintf(stderr, "CURRENT_TIME(%s) precision not implemented; zero used instead",$3);
+ $$ = "current_time";
+ }
+ | CURRENT_TIMESTAMP
+ { $$ = "current_timestamp"; }
+ | CURRENT_TIMESTAMP '(' Iconst ')'
+ {
+ if ($3 != 0)
+ fprintf(stderr, "CURRENT_TIMESTAMP(%s) precision not implemented; zero used instead",$3);
+ $$ = "current_timestamp";
+ }
+ | CURRENT_USER
+ { $$ = "current user"; }
+ ;
+
+/* ConstraintElem specifies constraint syntax which is not embedded into
+ * a column definition. ColConstraintElem specifies the embedded form.
+ * - thomas 1997-12-03
+ */
+TableConstraint: CONSTRAINT name ConstraintElem
+ {
+ $$ = make3_str("constraint", $2, $3);
+ }
+ | ConstraintElem
+ { $$ = $1; }
+ ;
+
+ConstraintElem: CHECK '(' constraint_expr ')'
+ {
+ $$ = cat3_str("check(", $3, ")");
+ }
+ | UNIQUE '(' columnList ')'
+ {
+ $$ = cat3_str("unique(", $3, ")");
+ }
+ | PRIMARY KEY '(' columnList ')'
+ {
+ $$ = cat3_str("primary key(", $4, ")");
+ }
+ | FOREIGN KEY '(' columnList ')' REFERENCES ColId opt_column_list key_match key_actions
+ {
+ fprintf(stderr, "CREATE TABLE/FOREIGN KEY clause ignored; not yet implemented");
+ $$ = "";
+ }
+ ;
+
+constraint_list: constraint_list ',' constraint_expr
+ {
+ $$ = make3_str($1, ",", $3);
+ }
+ | constraint_expr
+ {
+ $$ = $1;
+ }
+ ;
+
+constraint_expr: AexprConst
+ { $$ = $1; }
+ | NULL_P
+ { $$ = "null"; }
+ | ColId
+ {
+ $$ = $1;
+ }
+ | '-' constraint_expr %prec UMINUS
+ { $$ = make2_str("-", $2); }
+ | constraint_expr '+' constraint_expr
+ { $$ = make3_str($1, "+", $3); }
+ | constraint_expr '-' constraint_expr
+ { $$ = make3_str($1, "-", $3); }
+ | constraint_expr '/' constraint_expr
+ { $$ = make3_str($1, "/", $3); }
+ | constraint_expr '*' constraint_expr
+ { $$ = make3_str($1, "*", $3); }
+ | constraint_expr '=' constraint_expr
+ { $$ = make3_str($1, "=", $3); }
+ | constraint_expr '<' constraint_expr
+ { $$ = make3_str($1, "<", $3); }
+ | constraint_expr '>' constraint_expr
+ { $$ = make3_str($1, ">", $3); }
+/* this one doesn't work with embedded sql anyway
+ | ':' constraint_expr
+ { $$ = make2_str(":", $2); }
+*/
+ | ';' constraint_expr
+ { $$ = make2_str(";", $2); }
+ | '|' constraint_expr
+ { $$ = make2_str("|", $2); }
+ | constraint_expr TYPECAST Typename
+ {
+ $$ = make3_str($1, "::", $3);
+ }
+ | CAST '(' constraint_expr AS Typename ')'
+ {
+ $$ = make3_str(cat2_str("cast(", $3), "as", cat2_str($5, ")"));
+ }
+ | '(' constraint_expr ')'
+ { $$ = cat3_str("(", $2, ")"); }
+ | func_name '(' ')'
+ {
+ { $$ = make2_str($1, "()"); }
+ }
+ | func_name '(' constraint_list ')'
+ {
+ $$ = make2_str($1, cat3_str("(", $3,
+")"));
+ }
+ | constraint_expr Op constraint_expr
+ { $$ = make3_str($1, $2, $3); }
+ | constraint_expr LIKE constraint_expr
+ { $$ = make3_str($1, "like", $3); }
+ | constraint_expr AND constraint_expr
+ { $$ = make3_str($1, "and", $3); }
+ | constraint_expr OR constraint_expr
+ { $$ = make3_str($1, "or", $3); }
+ | NOT constraint_expr
+ { $$ = make2_str("not", $2); }
+ | Op constraint_expr
+ { $$ = make2_str($1, $2); }
+ | constraint_expr Op
+ { $$ = make2_str($1, $2); }
+ | constraint_expr ISNULL
+ { $$ = make2_str($1, "isnull"); }
+ | constraint_expr IS NULL_P
+ { $$ = make2_str($1, "is null"); }
+ | constraint_expr NOTNULL
+ { $$ = make2_str($1, "notnull"); }
+ | constraint_expr IS NOT NULL_P
+ { $$ = make2_str($1, "is not null"); }
+ | constraint_expr IS TRUE_P
+ { $$ = make2_str($1, "is true"); }
+ | constraint_expr IS FALSE_P
+ { $$ = make2_str($1, "is false"); }
+ | constraint_expr IS NOT TRUE_P
+ { $$ = make2_str($1, "is not true"); }
+ | constraint_expr IS NOT FALSE_P
+ { $$ = make2_str($1, "is not false"); }
+ ;
+
+key_match: MATCH FULL { $$ = "match full"; }
+ | MATCH PARTIAL { $$ = "match partial"; }
+ | /*EMPTY*/ { $$ = ""; }
+ ;
+
+key_actions: key_action key_action { $$ = make2_str($1, $2); }
+ | key_action { $$ = $1; }
+ | /*EMPTY*/ { $$ = ""; }
+ ;
+
+key_action: ON DELETE key_reference { $$ = make2_str("on delete", $3); }
+ | ON UPDATE key_reference { $$ = make2_str("on update", $3); }
+ ;
+
+key_reference: NO ACTION { $$ = "no action"; }
+ | CASCADE { $$ = "cascade"; }
+ | SET DEFAULT { $$ = "set default"; }
+ | SET NULL_P { $$ = "set null"; }
+ ;
+
+OptInherit: INHERITS '(' relation_name_list ')' { $$ = cat3_str("inherits (", $3, ")"); }
+ | /*EMPTY*/ { $$ = ""; }
+ ;
+
+/*
+ * "ARCHIVE" keyword was removed in 6.3, but we keep it for now
+ * so people can upgrade with old pg_dump scripts. - momjian 1997-11-20(?)
+ */
+OptArchiveType: ARCHIVE '=' NONE { $$ = "archive = none"; }
+ | /*EMPTY*/ { $$ = ""; }
+ ;
+
+CreateAsStmt: CREATE TABLE relation_name OptCreateAs AS SubSelect
+ {
+ $$ = make5_str("create table", $3, $4, "as", $6);
+ }
+ ;
+
+OptCreateAs: '(' CreateAsList ')' { $$ = cat3_str("(", $2, ")"); }
+ | /*EMPTY*/ { $$ = ""; }
+ ;
+
+CreateAsList: CreateAsList ',' CreateAsElement { $$ = make3_str($1, ",", $3); }
+ | CreateAsElement { $$ = $1; }
+ ;
+
+CreateAsElement: ColId { $$ = $1; }
+ ;
+
+/*****************************************************************************
+ *
+ * QUERY :
+ * CREATE SEQUENCE seqname
+ *
+ *****************************************************************************/
+
+CreateSeqStmt: CREATE SEQUENCE relation_name OptSeqList
+ {
+ $$ = make3_str("create sequence", $3, $4);
+ }
+ ;
+
+OptSeqList: OptSeqList OptSeqElem
+ { $$ = make2_str($1, $2); }
+ | { $$ = ""; }
+ ;
+
+OptSeqElem: CACHE IntegerOnly
+ {
+ $$ = make2_str("cache", $2);
+ }
+ | CYCLE
+ {
+ $$ = "cycle";
+ }
+ | INCREMENT IntegerOnly
+ {
+ $$ = make2_str("increment", $2);
+ }
+ | MAXVALUE IntegerOnly
+ {
+ $$ = make2_str("maxvalue", $2);
+ }
+ | MINVALUE IntegerOnly
+ {
+ $$ = make2_str("minvalue", $2);
+ }
+ | START IntegerOnly
+ {
+ $$ = make2_str("start", $2);
+ }
+ ;
+
+IntegerOnly: Iconst
+ {
+ $$ = $1;
+ }
+ | '-' Iconst
+ {
+ $$ = make2_str("-", $2);
+ }
+ ;
+
+/*****************************************************************************
+ *
+ * QUERIES :
+ * CREATE PROCEDURAL LANGUAGE ...
+ * DROP PROCEDURAL LANGUAGE ...
+ *
+ *****************************************************************************/
+
+CreatePLangStmt: CREATE PLangTrusted PROCEDURAL LANGUAGE Sconst
+ HANDLER def_name LANCOMPILER Sconst
+ {
+ $$ = make4_str(make5_str("create", $2, "precedural language", $5, "handler"), $7, "langcompiler", $9);
+ }
+ ;
+
+PLangTrusted: TRUSTED { $$ = "trusted"; }
+ | { $$ = ""; }
+
+DropPLangStmt: DROP PROCEDURAL LANGUAGE Sconst
+ {
+ $$ = make2_str("drop procedural language", $4);
+ }
+ ;
+
+/*****************************************************************************
+ *
+ * QUERIES :
+ * CREATE TRIGGER ...
+ * DROP TRIGGER ...
+ *
+ *****************************************************************************/
+
+CreateTrigStmt: CREATE TRIGGER name TriggerActionTime TriggerEvents ON
+ relation_name TriggerForSpec EXECUTE PROCEDURE
+ name '(' TriggerFuncArgs ')'
+ {
+ $$ = make2_str(make5_str(make5_str("create trigger", $3, $4, $5, "on"), $7, $8, "execute procedure", $11), cat3_str("(", $13, ")"));
+ }
+ ;
+
+TriggerActionTime: BEFORE { $$ = "before"; }
+ | AFTER { $$ = "after"; }
+ ;
+
+TriggerEvents: TriggerOneEvent
+ {
+ $$ = $1;
+ }
+ | TriggerOneEvent OR TriggerOneEvent
+ {
+ $$ = make3_str($1, "or", $3);
+ }
+ | TriggerOneEvent OR TriggerOneEvent OR TriggerOneEvent
+ {
+ $$ = make5_str($1, "or", $3, "or", $5);
+ }
+ ;
+
+TriggerOneEvent: INSERT { $$ = "insert"; }
+ | DELETE { $$ = "delete"; }
+ | UPDATE { $$ = "update"; }
+ ;
+
+TriggerForSpec: FOR TriggerForOpt TriggerForType
+ {
+ $$ = make3_str("for", $2, $3);
+ }
+ ;
+
+TriggerForOpt: EACH { $$ = "each"; }
+ | /*EMPTY*/ { $$ = ""; }
+ ;
+
+TriggerForType: ROW { $$ = "row"; }
+ | STATEMENT { $$ = "statement"; }
+ ;
+
+TriggerFuncArgs: TriggerFuncArg
+ { $$ = $1 }
+ | TriggerFuncArgs ',' TriggerFuncArg
+ { $$ = make3_str($1, ",", $3); }
+ | /*EMPTY*/
+ { $$ = ""; }
+ ;
+
+TriggerFuncArg: Iconst
+ {
+ $$ = $1;
+ }
+ | FCONST
+ {
+ $$ = make_name();
+ }
+ | Sconst { $$ = $1; }
+ | IDENT { $$ = $1; }
+ ;
+
+DropTrigStmt: DROP TRIGGER name ON relation_name
+ {
+ $$ = make4_str("drop trigger", $3, "on", $5);
+ }
+ ;
+
+/*****************************************************************************
+ *
+ * QUERY :
+ * define (type,operator,aggregate)
+ *
+ *****************************************************************************/
+
+DefineStmt: CREATE def_type def_rest
+ {
+ $$ = make3_str("create", $2, $3);
+ }
+ ;
+
+def_rest: def_name definition
+ {
+ $$ = make2_str($1, $2);
+ }
+ ;
+
+def_type: OPERATOR { $$ = "operator"; }
+ | TYPE_P { $$ = "type"; }
+ | AGGREGATE { $$ = "aggregate"; }
+ ;
+
+def_name: PROCEDURE { $$ = "procedure"; }
+ | JOIN { $$ = "join"; }
+ | ColId { $$ = $1; }
+ | MathOp { $$ = $1; }
+ | Op { $$ = $1; }
+ ;
+
+definition: '(' def_list ')' { $$ = cat3_str("(", $2, ")"); }
+ ;
+
+def_list: def_elem { $$ = $1; }
+ | def_list ',' def_elem { $$ = make3_str($1, ",", $3); }
+ ;
+
+def_elem: def_name '=' def_arg {
+ $$ = make3_str($1, "=", $3);
+ }
+ | def_name
+ {
+ $$ = $1;
+ }
+ | DEFAULT '=' def_arg
+ {
+ $$ = make2_str("default =", $3);
+ }
+ ;
+
+def_arg: ColId { $$ = $1; }
+ | all_Op { $$ = $1; }
+ | NumConst { $$ = $1; /* already a Value */ }
+ | Sconst { $$ = $1; }
+ | SETOF ColId
+ {
+ $$ = make2_str("setof", $2);
+ }
+ ;
+
+/*****************************************************************************
+ *
+ * QUERY:
+ * destroy <relname1> [, <relname2> .. <relnameN> ]
+ *
+ *****************************************************************************/
+
+DestroyStmt: DROP TABLE relation_name_list
+ {
+ $$ = make2_str("drop table", $3);
+ }
+ | DROP SEQUENCE relation_name_list
+ {
+ $$ = make2_str("drop sequence", $3);
+ }
+ ;
+
+
+
+/*****************************************************************************
+ *
+ * QUERY:
+ * fetch/move [forward | backward] [number | all ] [ in <portalname> ]
+ *
+ *****************************************************************************/
+
+FetchStmt: FETCH opt_direction fetch_how_many opt_portal_name INTO into_list
+ {
+ $$ = make4_str("fetch", $2, $3, $4);
+ }
+ | MOVE opt_direction fetch_how_many opt_portal_name
+ {
+ $$ = make4_str("fetch", $2, $3, $4);
+ }
+ ;
+
+opt_direction: FORWARD { $$ = "forward"; }
+ | BACKWARD { $$ = "backward"; }
+ | /*EMPTY*/ { $$ = ""; /* default */ }
+ ;
+
+fetch_how_many: Iconst
+ { $$ = $1;
+ if (atol($1) <= 0) yyerror("Please specify nonnegative count for fetch"); }
+ | ALL { $$ = "all"; }
+ | /*EMPTY*/ { $$ = ""; /*default*/ }
+ ;
+
+opt_portal_name: IN name { $$ = make2_str("in", $2); }
+ | name { $$ = make2_str("in", $1); }
+ | /*EMPTY*/ { $$ = ""; }
+ ;
+
+
+/*****************************************************************************
+ *
+ * QUERY:
+ * GRANT [privileges] ON [relation_name_list] TO [GROUP] grantee
+ *
+ *****************************************************************************/
+
+GrantStmt: GRANT privileges ON relation_name_list TO grantee opt_with_grant
+ {
+ $$ = make2_str(make5_str("grant", $2, "on", $4, "to"), $6);
+ }
+ ;
+
+privileges: ALL PRIVILEGES
+ {
+ $$ = "all privileges";
+ }
+ | ALL
+ {
+ $$ = "all";
+ }
+ | operation_commalist
+ {
+ $$ = $1;
+ }
+ ;
+
+operation_commalist: operation
+ {
+ $$ = $1;
+ }
+ | operation_commalist ',' operation
+ {
+ $$ = make3_str($1, ",", $3);
+ }
+ ;
+
+operation: SELECT
+ {
+ $$ = "select";
+ }
+ | INSERT
+ {
+ $$ = "insert";
+ }
+ | UPDATE
+ {
+ $$ = "update";
+ }
+ | DELETE
+ {
+ $$ = "delete";
+ }
+ | RULE
+ {
+ $$ = "rule";
+ }
+ ;
+
+grantee: PUBLIC
+ {
+ $$ = "public";
+ }
+ | GROUP ColId
+ {
+ $$ = make2_str("group", $2);
+ }
+ | ColId
+ {
+ $$ = $1;
+ }
+ ;
+
+opt_with_grant: WITH GRANT OPTION
+ {
+ yyerror("WITH GRANT OPTION is not supported. Only relation owners can set privileges");
+ }
+ | /*EMPTY*/
+ ;
+
+
+/*****************************************************************************
+ *
+ * QUERY:
+ * REVOKE [privileges] ON [relation_name] FROM [user]
+ *
+ *****************************************************************************/
+
+RevokeStmt: REVOKE privileges ON relation_name_list FROM grantee
+ {
+ $$ = make2_str(make5_str("revoke", $2, "on", $4, "from"), $6);
+ }
+ ;
+
+
+
+/*****************************************************************************
+ *
+ * QUERY:
+ * create index <indexname> on <relname>
+ * using <access> "(" (<col> with <op>)+ ")" [with
+ * <target_list>]
+ *
+ * [where <qual>] is not supported anymore
+ *****************************************************************************/
+
+IndexStmt: CREATE index_opt_unique INDEX index_name ON relation_name
+ access_method_clause '(' index_params ')' opt_with
+ {
+ /* should check that access_method is valid,
+ etc ... but doesn't */
+ $$ = make5_str(make5_str("create", $2, "index", $4, "on"), $6, $7, cat3_str("(", $9, ")"), $11);
+ }
+ ;
+
+index_opt_unique: UNIQUE { $$ = "unique"; }
+ | /*EMPTY*/ { $$ = ""; }
+ ;
+
+access_method_clause: USING access_method { $$ = make2_str("using", $2); }
+ | /*EMPTY*/ { $$ = ""; }
+ ;
+
+index_params: index_list { $$ = $1; }
+ | func_index { $$ = $1; }
+ ;
+
+index_list: index_list ',' index_elem { $$ = make3_str($1, ",", $3); }
+ | index_elem { $$ = $1; }
+ ;
+
+func_index: func_name '(' name_list ')' opt_type opt_class
+ {
+ $$ = make4_str($1, cat3_str("(", $3, ")"), $5, $6);
+ }
+ ;
+
+index_elem: attr_name opt_type opt_class
+ {
+ $$ = make3_str($1, $3, $3);
+ }
+ ;
+
+opt_type: ':' Typename { $$ = make2_str(":", $2); }
+ | FOR Typename { $$ = make2_str("for", $2); }
+ | /*EMPTY*/ { $$ = ""; }
+ ;
+
+/* opt_class "WITH class" conflicts with preceeding opt_type
+ * for Typename of "TIMESTAMP WITH TIME ZONE"
+ * So, remove "WITH class" from the syntax. OK??
+ * - thomas 1997-10-12
+ * | WITH class { $$ = $2; }
+ */
+opt_class: class { $$ = $1; }
+ | USING class { $$ = make2_str("using", $2); }
+ | /*EMPTY*/ { $$ = ""; }
+ ;
+
+/*****************************************************************************
+ *
+ * QUERY:
+ * extend index <indexname> [where <qual>]
+ *
+ *****************************************************************************/
+
+ExtendStmt: EXTEND INDEX index_name where_clause
+ {
+ $$ = make3_str("extend index", $3, $4);
+ }
+ ;
+
+
+/*****************************************************************************
+ *
+ * QUERY:
+ * execute recipe <recipeName>
+ *
+ *****************************************************************************/
+
+RecipeStmt: EXECUTE RECIPE recipe_name
+ {
+ $$ = make2_str("execute recipe", $3);
+ }
+ ;
+
+/*****************************************************************************
+ *
+ * QUERY:
+ * define function <fname>
+ * (language = <lang>, returntype = <typename>
+ * [, arch_pct = <percentage | pre-defined>]
+ * [, disk_pct = <percentage | pre-defined>]
+ * [, byte_pct = <percentage | pre-defined>]
+ * [, perbyte_cpu = <int | pre-defined>]
+ * [, percall_cpu = <int | pre-defined>]
+ * [, iscachable])
+ * [arg is (<type-1> { , <type-n>})]
+ * as <filename or code in language as appropriate>
+ *
+ *****************************************************************************/
+
+ProcedureStmt: CREATE FUNCTION func_name func_args
+ RETURNS func_return opt_with AS Sconst LANGUAGE Sconst
+ {
+ $$ = make2_str(make5_str(make5_str("create function", $3, $4, "returns", $6), $7, "as", $9, "language"), $11);
+ }
+
+opt_with: WITH definition { $$ = make2_str("with", $2); }
+ | /*EMPTY*/ { $$ = ""; }
+ ;
+
+func_args: '(' func_args_list ')' { $$ = cat3_str("(", $2, ")"); }
+ | '(' ')' { $$ = "()"; }
+ ;
+
+func_args_list: TypeId { $$ = $1; }
+ | func_args_list ',' TypeId
+ { $$ = make3_str($1, ",", $3); }
+ ;
+
+func_return: set_opt TypeId
+ {
+ $$ = make2_str($1, $2);
+ }
+ ;
+
+set_opt: SETOF { $$ = "setof"; }
+ | /*EMPTY*/ { $$ = ""; }
+ ;
+
+
+/*****************************************************************************
+ *
+ * QUERY:
+ *
+ * remove function <funcname>
+ * (REMOVE FUNCTION "funcname" (arg1, arg2, ...))
+ * remove aggregate <aggname>
+ * (REMOVE AGGREGATE "aggname" "aggtype")
+ * remove operator <opname>
+ * (REMOVE OPERATOR "opname" (leftoperand_typ rightoperand_typ))
+ * remove type <typename>
+ * (REMOVE TYPE "typename")
+ * remove rule <rulename>
+ * (REMOVE RULE "rulename")
+ *
+ *****************************************************************************/
+
+RemoveStmt: DROP remove_type name
+ {
+ $$ = make3_str("drop", $2, $3);;
+ }
+ ;
+
+remove_type: TYPE_P { $$ = "type"; }
+ | INDEX { $$ = "index"; }
+ | RULE { $$ = "rule"; }
+ | VIEW { $$ = "view"; }
+ ;
+
+
+RemoveAggrStmt: DROP AGGREGATE name aggr_argtype
+ {
+ $$ = make3_str("drop aggregate", $3, $4);
+ }
+ ;
+
+aggr_argtype: name { $$ = $1; }
+ | '*' { $$ = "*"; }
+ ;
+
+
+RemoveFuncStmt: DROP FUNCTION func_name func_args
+ {
+ $$ = make3_str("drop function", $3, $4);
+ }
+ ;
+
+
+RemoveOperStmt: DROP OPERATOR all_Op '(' oper_argtypes ')'
+ {
+ $$ = make3_str("drop operator", $3, cat3_str("(", $5, ")"));
+ }
+ ;
+
+all_Op: Op | MathOp;
+
+MathOp: '+' { $$ = "+"; }
+ | '-' { $$ = "-"; }
+ | '*' { $$ = "*"; }
+ | '/' { $$ = "/"; }
+ | '<' { $$ = "<"; }
+ | '>' { $$ = ">"; }
+ | '=' { $$ = "="; }
+ ;
+
+oper_argtypes: name
+ {
+ yyerror("parser: argument type missing (use NONE for unary operators)");
+ }
+ | name ',' name
+ { $$ = make3_str($1, ",", $3); }
+ | NONE ',' name /* left unary */
+ { $$ = make2_str("none,", $3); }
+ | name ',' NONE /* right unary */
+ { $$ = make2_str($1, ", none"); }
+ ;
+
+
+/*****************************************************************************
+ *
+ * QUERY:
+ * rename <attrname1> in <relname> [*] to <attrname2>
+ * rename <relname1> to <relname2>
+ *
+ *****************************************************************************/
+
+RenameStmt: ALTER TABLE relation_name opt_inh_star
+ RENAME opt_column opt_name TO name
+ {
+ $$ = make4_str(make5_str("alter table", $3, $4, "rename", $6), $7, "to", $9);
+ }
+ ;
+
+opt_name: name { $$ = $1; }
+ | /*EMPTY*/ { $$ = ""; }
+ ;
+
+opt_column: COLUMN { $$ = "colmunn"; }
+ | /*EMPTY*/ { $$ = ""; }
+ ;
+
+
+/*****************************************************************************
+ *
+ * QUERY: Define Rewrite Rule , Define Tuple Rule
+ * Define Rule <old rules >
+ *
+ * only rewrite rule is supported -- ay 9/94
+ *
+ *****************************************************************************/
+
+RuleStmt: CREATE RULE name AS
+ { QueryIsRule=1; }
+ ON event TO event_object where_clause
+ DO opt_instead OptStmtList
+ {
+ $$ = make2_str(make5_str(make5_str("create rule", $3, "as on", $7, "to"), $9, $10, "do", $12), $13);
+ }
+ ;
+
+OptStmtList: NOTHING { $$ = "nothing"; }
+ | OptimizableStmt { $$ = $1; }
+ | '[' OptStmtBlock ']' { $$ = make3_str("[", $2, "]"); }
+ ;
+
+OptStmtBlock: OptStmtMulti
+ { $$ = $1; }
+ | OptimizableStmt
+ { $$ = $1; }
+ ;
+
+OptStmtMulti: OptStmtMulti OptimizableStmt ';'
+ { $$ = make3_str($1, $2, ";"); }
+ | OptStmtMulti OptimizableStmt
+ { $$ = make2_str($1, $2); }
+ | OptimizableStmt ';'
+ { $$ = $1; }
+ ;
+
+event_object: relation_name '.' attr_name
+ {
+ $$ = make3_str($1, ",", $3);
+ }
+ | relation_name
+ {
+ $$ = $1;
+ }
+ ;
+
+/* change me to select, update, etc. some day */
+event: SELECT { $$ = "select"; }
+ | UPDATE { $$ = "update"; }
+ | DELETE { $$ = "delete"; }
+ | INSERT { $$ = "insert"; }
+ ;
+
+opt_instead: INSTEAD { $$ = "instead"; }
+ | /*EMPTY*/ { $$ = ""; }
+ ;
+
+
+/*****************************************************************************
+ *
+ * QUERY:
+ * NOTIFY <relation_name> can appear both in rule bodies and
+ * as a query-level command
+ *
+ *****************************************************************************/
+
+NotifyStmt: NOTIFY relation_name
+ {
+ $$ = make2_str("notify", $2);
+ }
+ ;
+
+ListenStmt: LISTEN relation_name
+ {
+ $$ = make2_str("listen", $2);
+ }
+;
+
+/*****************************************************************************
+ *
+ * Transactions:
+ *
+ * abort transaction
+ * (ABORT)
+ * begin transaction
+ * (BEGIN)
+ * end transaction
+ * (END)
+ *
+ *****************************************************************************/
+TransactionStmt: ABORT_TRANS TRANSACTION { $$ = "rollback"; }
+ | BEGIN_TRANS TRANSACTION { $$ = "begin transaction"; }
+ | BEGIN_TRANS WORK { $$ = "begin transaction"; }
+ | COMMIT WORK { $$ = "commit"; }
+ | END_TRANS TRANSACTION { $$ = "commit"; }
+ | ROLLBACK WORK { $$ = "rollback"; }
+ | ABORT_TRANS { $$ = "rollback"; }
+ | COMMIT { $$ = "commit"; }
+ | ROLLBACK { $$ = "rollback"; }
+
+/*****************************************************************************
+ *
+ * QUERY:
+ * define view <viewname> '('target-list ')' [where <quals> ]
+ *
+ *****************************************************************************/
+
+ViewStmt: CREATE VIEW name AS SelectStmt
+ {
+ $$ = make4_str("create view", $3, "as", $5);
+ }
+ ;
+
+
+/*****************************************************************************
+ *
+ * QUERY:
+ * load "filename"
+ *
+ *****************************************************************************/
+
+LoadStmt: LOAD file_name
+ {
+ $$ = make2_str("load", $2);
+ }
+ ;
+
+
+/*****************************************************************************
+ *
+ * QUERY:
+ * createdb dbname
+ *
+ *****************************************************************************/
+
+CreatedbStmt: CREATE DATABASE database_name opt_database
+ {
+ $$ = make3_str("create database", $3, $4);
+ }
+ ;
+
+opt_database: WITH LOCATION '=' location { $$ = make2_str("with location =", $4); }
+ | /*EMPTY*/ { $$ = ""; }
+ ;
+
+location: Sconst { $$ = $1; }
+ | DEFAULT { $$ = "default"; }
+ | /*EMPTY*/ { $$ = ""; }
+ ;
+
+/*****************************************************************************
+ *
+ * QUERY:
+ * destroydb dbname
+ *
+ *****************************************************************************/
+
+DestroydbStmt: DROP DATABASE database_name
+ {
+ $$ = make2_str("drop database", $3);
+ }
+ ;
+
+
+/*****************************************************************************
+ *
+ * QUERY:
+ * cluster <index_name> on <relation_name>
+ *
+ *****************************************************************************/
+
+ClusterStmt: CLUSTER index_name ON relation_name
+ {
+ $$ = make4_str("cluster", $2, "on", $4);
+ }
+ ;
+
+
+/*****************************************************************************
+ *
+ * QUERY:
+ * vacuum
+ *
+ *****************************************************************************/
+
+VacuumStmt: VACUUM opt_verbose opt_analyze
+ {
+ $$ = make3_str("vacuum", $2, $3);
+ }
+ | VACUUM opt_verbose opt_analyze relation_name opt_va_list
+ {
+ if ( strlen($5) > 0 && strlen($4) == 0 )
+ yyerror("parser: syntax error at or near \"(\"");
+ $$ = make5_str("vacuum", $2, $3, $4, $5);
+ }
+ ;
+
+opt_verbose: VERBOSE { $$ = "verbose"; }
+ | /*EMPTY*/ { $$ = ""; }
+ ;
+
+opt_analyze: ANALYZE { $$ = "analyse"; }
+ | /*EMPTY*/ { $$ = ""; }
+ ;
+
+opt_va_list: '(' va_list ')' { $$ = cat3_str("(", $2, ")"); }
+ | /*EMPTY*/ { $$ = ""; }
+ ;
+
+va_list: name
+ { $$=$1; }
+ | va_list ',' name
+ { $$=make3_str($1, ",", $3); }
+ ;
+
+
+/*****************************************************************************
+ *
+ * QUERY:
+ * EXPLAIN query
+ *
+ *****************************************************************************/
+
+ExplainStmt: EXPLAIN opt_verbose OptimizableStmt
+ {
+ $$ = make3_str("explain", $2, $3);
+ }
+ ;
+
+
+/*****************************************************************************
+ * *
+ * Optimizable Stmts: *
+ * *
+ * one of the five queries processed by the planner *
+ * *
+ * [ultimately] produces query-trees as specified *
+ * in the query-spec document in ~postgres/ref *
+ * *
+ *****************************************************************************/
+
+OptimizableStmt: SelectStmt { output_statement($1); }
+ | CursorStmt { fputs($1, yyout); output_line_number(); }
+ | UpdateStmt { output_statement($1); }
+ | InsertStmt { output_statement($1); }
+ | NotifyStmt { output_statement($1); }
+ | DeleteStmt { output_statement($1); }
+ ;
+
+
+/*****************************************************************************
+ *
+ * QUERY:
+ * INSERT STATEMENTS
+ *
+ *****************************************************************************/
+
+InsertStmt: INSERT INTO relation_name opt_column_list insert_rest
+ {
+ $$ = make4_str("insert into", $3, $4, $5);
+ }
+ ;
+
+insert_rest: VALUES '(' res_target_list2 ')'
+ {
+ $$ = cat3_str("values(", $3, ")");
+ }
+ | SELECT opt_unique res_target_list2
+ from_clause where_clause
+ group_clause having_clause
+ union_clause
+ {
+ $$ = make4_str(make5_str("select", $2, $3, $4, $5), $6, $7, $8);
+ }
+ ;
+
+opt_column_list: '(' columnList ')' { $$ = cat3_str("(", $2, ")"); }
+ | /*EMPTY*/ { $$ = ""; }
+ ;
+
+columnList:
+ columnList ',' columnElem
+ { $$ = make3_str($1, ",", $3); }
+ | columnElem
+ { $$ = $1; }
+ ;
+
+columnElem: ColId opt_indirection
+ {
+ $$ = make2_str($1, $2);
+ }
+ ;
+
+
+/*****************************************************************************
+ *
+ * QUERY:
+ * DELETE STATEMENTS
+ *
+ *****************************************************************************/
+
+DeleteStmt: DELETE FROM relation_name
+ where_clause
+ {
+ $$ = make3_str("delete from", $3, $4);
+ }
+ ;
+
+/*
+ * Total hack to just lock a table inside a transaction.
+ * Is it worth making this a separate command, with
+ * its own node type and file. I don't think so. bjm 1998/1/22
+ */
+LockStmt: LOCK_P opt_table relation_name
+ {
+ $$ = make3_str("lock", $2, $3);
+ }
+ ;
+
+
+/*****************************************************************************
+ *
+ * QUERY:
+ * UpdateStmt (UPDATE)
+ *
+ *****************************************************************************/
+
+UpdateStmt: UPDATE relation_name
+ SET res_target_list
+ from_clause
+ where_clause
+ {
+ $$ = make2_str(make5_str("update", $2, "set", $4, $5), $6);
+ }
+ ;
+
+
+/*****************************************************************************
+ *
+ * QUERY:
+ * CURSOR STATEMENTS
+ *
+ *****************************************************************************/
+CursorStmt: DECLARE name opt_binary CURSOR FOR
+ SELECT opt_unique res_target_list2
+ from_clause where_clause
+ group_clause having_clause
+ union_clause sort_clause
+ {
+ struct cursor *ptr, *this = (struct cursor *) mm_alloc(sizeof(struct cursor));
+
+ this->name = $2;
+ this->command = make4_str(make5_str(make5_str("declare", $2, $3, "cursor for select", $7), $8, $9, $10, $11), $12, $13, $14);
+ this->next = NULL;
+
+ for (ptr = cur; ptr != NULL; ptr = ptr->next)
+ {
+ if (strcmp(this->name, ptr->name) == 0)
+ {
+ /* re-definition */
+ free(ptr->command);
+ ptr->command = this->command;
+ break;
+ }
+ }
+
+ if (ptr == NULL)
+ {
+ /* initial definition */
+ this->next = cur;
+ cur = this;
+ }
+
+ $$ = make5_str("/* declare cursor\"", $2, "\"statement has been moved to location of open cursor \"", $2, "\"statement. */");
+ }
+ ;
+
+
+
+/*****************************************************************************
+ *
+ * QUERY:
+ * SELECT STATEMENTS
+ *
+ *****************************************************************************/
+
+SelectStmt: SELECT opt_unique res_target_list2
+ result from_clause where_clause
+ group_clause having_clause
+ union_clause sort_clause
+ {
+ $$ = make2_str(make5_str(make5_str("select", $2, $3, $4, $5), $6, $7, $8, $9), $10);
+ }
+ ;
+
+union_clause: UNION opt_union select_list
+ {
+ $$ = make3_str("union", $2, $3);
+ }
+ | /*EMPTY*/
+ { $$ = ""; }
+ ;
+
+select_list: select_list UNION opt_union SubSelect
+ {
+ $$ = make4_str($1, "union", $3, $4);
+ }
+ | SubSelect
+ { $$ = $1; }
+ ;
+
+SubSelect: SELECT opt_unique res_target_list2
+ from_clause where_clause
+ group_clause having_clause
+ {
+ $$ = make3_str(make5_str("select", $2, $3, $4, $5), $6, $7);
+ }
+ ;
+
+result: INTO opt_table relation_name { $$= make3_str("into", $2, $3); }
+ | INTO into_list { $$ = ""; }
+ | /*EMPTY*/ { $$ = ""; }
+ ;
+
+opt_table: TABLE { $$ = "table"; }
+ | /*EMPTY*/ { $$ = ""; }
+ ;
+
+opt_union: ALL { $$ = "all"; }
+ | /*EMPTY*/ { $$ = ""; }
+ ;
+
+opt_unique: DISTINCT { $$ = "distinct"; }
+ | DISTINCT ON ColId { $$ = make2_str("distinct on", $3); }
+ | ALL { $$ = "all"; }
+ | /*EMPTY*/ { $$ = ""; }
+ ;
+
+sort_clause: ORDER BY sortby_list { $$ = make2_str("order by", $3); }
+ | /*EMPTY*/ { $$ = ""; }
+ ;
+
+sortby_list: sortby { $$ = $1; }
+ | sortby_list ',' sortby { $$ = make3_str($1, ",", $3); }
+ ;
+
+sortby: ColId OptUseOp
+ {
+ $$ = make2_str($1, $2);
+ }
+ | ColId '.' ColId OptUseOp
+ {
+ $$ = make4_str($1, ".", $3, $4);
+ }
+ | Iconst OptUseOp
+ {
+ $$ = make2_str($1, $2);
+ }
+ ;
+
+OptUseOp: USING Op { $$ = make2_str("using", $2); }
+ | USING '<' { $$ = "using <"; }
+ | USING '>' { $$ = "using >"; }
+ | ASC { $$ = "asc"; }
+ | DESC { $$ = "desc"; }
+ | /*EMPTY*/ { $$ = ""; }
+ ;
+
+/*
+ * jimmy bell-style recursive queries aren't supported in the
+ * current system.
+ *
+ * ...however, recursive addattr and rename supported. make special
+ * cases for these.
+ */
+opt_inh_star: '*' { $$ = "*"; }
+ | /*EMPTY*/ { $$ = ""; }
+ ;
+
+relation_name_list: name_list { $$ = $1; };
+
+name_list: name
+ { $$ = $1; }
+ | name_list ',' name
+ { $$ = make3_str($1, ",", $3); }
+ ;
+
+group_clause: GROUP BY groupby_list { $$ = make2_str("groub by", $3); }
+ | /*EMPTY*/ { $$ = ""; }
+ ;
+
+groupby_list: groupby { $$ = $1; }
+ | groupby_list ',' groupby { $$ = make3_str($1, ",", $3); }
+ ;
+
+groupby: ColId
+ {
+ $$ = $1;
+ }
+ | ColId '.' ColId
+ {
+ $$ = make3_str($1, ",", $3);
+ }
+ | Iconst
+ {
+ $$ = $1;
+ }
+ ;
+
+having_clause: HAVING a_expr
+ {
+ yyerror("HAVING clause not yet implemented");
+/* $$ = make2_str("having", $2); use this line instead to enable HAVING */
+ }
+ | /*EMPTY*/ { $$ = ""; }
+ ;
+
+
+/*****************************************************************************
+ *
+ * clauses common to all Optimizable Stmts:
+ * from_clause -
+ * where_clause -
+ *
+ *****************************************************************************/
+
+from_clause: FROM '(' relation_expr join_expr JOIN relation_expr join_spec ')'
+ {
+ yyerror("JOIN not yet implemented");
+ }
+ | FROM from_list { $$ = make2_str("from", $2); }
+ | /*EMPTY*/ { $$ = ""; }
+ ;
+
+from_list: from_list ',' from_val
+ { $$ = make3_str($1, ",", $3); }
+ | from_val CROSS JOIN from_val
+ { yyerror("CROSS JOIN not yet implemented"); }
+ | from_val
+ { $$ = $1; }
+ ;
+
+from_val: relation_expr AS ColLabel
+ {
+ $$ = make3_str($1, "as", $3);
+ }
+ | relation_expr ColId
+ {
+ $$ = make2_str($1, $2);
+ }
+ | relation_expr
+ {
+ $$ = $1;
+ }
+ ;
+
+join_expr: NATURAL join_expr { $$ = make2_str("natural", $2); }
+ | FULL join_outer
+ { yyerror("FULL OUTER JOIN not yet implemented"); }
+ | LEFT join_outer
+ { yyerror("LEFT OUTER JOIN not yet implemented"); }
+ | RIGHT join_outer
+ { yyerror("RIGHT OUTER JOIN not yet implemented"); }
+ | OUTER_P
+ { yyerror("OUTER JOIN not yet implemented"); }
+ | INNER_P
+ { yyerror("INNER JOIN not yet implemented"); }
+ | UNION
+ { yyerror("UNION JOIN not yet implemented"); }
+ | /*EMPTY*/
+ { yyerror("INNER JOIN not yet implemented"); }
+ ;
+
+join_outer: OUTER_P { $$ = "outer"; }
+ | /*EMPTY*/ { $$ = ""; /* no qualifiers */ }
+ ;
+
+join_spec: ON '(' a_expr ')' { $$ = cat3_str("on (", $3, ")"); }
+ | USING '(' join_list ')' { $$ = cat3_str("using (", $3, ")"); }
+ | /*EMPTY*/ { $$ = ""; /* no qualifiers */ }
+ ;
+
+join_list: join_using { $$ = $1; }
+ | join_list ',' join_using { $$ = make3_str($1, ",", $3); }
+ ;
+
+join_using: ColId
+ {
+ $$ = $1;
+ }
+ | ColId '.' ColId
+ {
+ $$ = make3_str($1, ".", $3);
+ }
+ | Iconst
+ {
+ $$ = $1;;
+ }
+ ;
+
+where_clause: WHERE a_expr { $$ = make2_str("where", $2); }
+ | /*EMPTY*/ { $$ = ""; /* no qualifiers */ }
+ ;
+
+relation_expr: relation_name
+ {
+ /* normal relations */
+ $$ = $1;
+ }
+ | relation_name '*' %prec '='
+ {
+ /* inheritance query */
+ $$ = make2_str($1, "*");
+ }
+
+opt_array_bounds: '[' ']' nest_array_bounds
+ { $$ = make2_str("[]", $3); }
+ | '[' Iconst ']' nest_array_bounds
+ { $$ = make4_str("[", $2, "]", $4); }
+ | /* EMPTY */
+ { $$ = ""; }
+ ;
+
+nest_array_bounds: '[' ']' nest_array_bounds
+ { $$ = make2_str("[]", $3); }
+ | '[' Iconst ']' nest_array_bounds
+ { $$ = make4_str("[", $2, "]", $4); }
+ | /*EMPTY*/
+ { $$ = ""; }
+ ;
+
+
+/*****************************************************************************
+ *
+ * Type syntax
+ * SQL92 introduces a large amount of type-specific syntax.
+ * Define individual clauses to handle these cases, and use
+ * the generic case to handle regular type-extensible Postgres syntax.
+ * - thomas 1997-10-10
+ *
+ *****************************************************************************/
+
+Typename: Array opt_array_bounds
+ {
+ $$ = make2_str($1, $2);
+ }
+ | Character { $$ = $1; }
+ | SETOF Array
+ {
+ $$ = make2_str("setof", $2);
+ }
+ ;
+
+Array: Generic
+ | Datetime { $$ = $1; }
+ | Numeric { $$ = $1; }
+ ;
+
+Generic: generic
+ {
+ $$ = $1;
+ }
+ ;
+
+generic: IDENT { $$ = $1; }
+ | TYPE_P { $$ = "type"; }
+ ;
+
+/* SQL92 numeric data types
+ * Check FLOAT() precision limits assuming IEEE floating types.
+ * Provide rudimentary DECIMAL() and NUMERIC() implementations
+ * by checking parameters and making sure they match what is possible with INTEGER.
+ * - thomas 1997-09-18
+ */
+Numeric: FLOAT opt_float
+ {
+ $$ = make2_str("float", $2);
+ }
+ | DOUBLE PRECISION
+ {
+ $$ = "double precision";
+ }
+ | DECIMAL opt_decimal
+ {
+ $$ = make2_str("decimal", $2);
+ }
+ | NUMERIC opt_numeric
+ {
+ $$ = make2_str("numeric", $2);
+ }
+ ;
+
+numeric: FLOAT
+ { $$ = "float"; }
+ | DOUBLE PRECISION
+ { $$ = "double precision"; }
+ | DECIMAL
+ { $$ = "decimal"; }
+ | NUMERIC
+ { $$ = "numeric"; }
+ ;
+
+opt_float: '(' Iconst ')'
+ {
+ if (atol($2) < 1)
+ yyerror("precision for FLOAT must be at least 1");
+ else if (atol($2) >= 16)
+ yyerror("precision for FLOAT must be less than 16");
+ $$ = cat3_str("(", $2, ")");
+ }
+ | /*EMPTY*/
+ {
+ $$ = "";
+ }
+ ;
+
+opt_numeric: '(' Iconst ',' Iconst ')'
+ {
+ if (atol($2) != 9) {
+ sprintf(errortext, "NUMERIC precision %s must be 9", $2);
+ yyerror(errortext);
+ }
+ if (atol($4) != 0) {
+ sprintf(errortext, "NUMERIC scale %s must be zero", $4);
+ yyerror(errortext);
+ }
+ $$ = make3_str(cat2_str("(", $2), ",", cat2_str($4, ")"));
+ }
+ | '(' Iconst ')'
+ {
+ if (atol($2) != 9) {
+ sprintf("NUMERIC precision %s must be 9",$2);
+ yyerror(errortext);
+ }
+ $$ = cat3_str("(", $2, ")");
+ }
+ | /*EMPTY*/
+ {
+ $$ = "";
+ }
+ ;
+
+opt_decimal: '(' Iconst ',' Iconst ')'
+ {
+ if (atol($2) != 9) {
+ sprintf(errortext, "DECIMAL precision %s exceeds implementation limit of 9", $2);
+ yyerror(errortext);
+ }
+ if (atol($4) != 0) {
+ sprintf(errortext, "DECIMAL scale %s must be zero",$4);
+ yyerror(errortext);
+ }
+ $$ = make3_str(cat2_str("(", $2), ",", cat2_str($4, ")"));
+ }
+ | '(' Iconst ')'
+ {
+ if (atol($2) != 9) {
+ sprintf(errortext, "DECIMAL precision %s exceeds implementation limit of 9",$2);
+ yyerror(errortext);
+ }
+ $$ = cat3_str("(", $2, ")");
+ }
+ | /*EMPTY*/
+ {
+ $$ = "";
+ }
+ ;
+
+/* SQL92 character data types
+ * The following implements CHAR() and VARCHAR().
+ * We do it here instead of the 'Generic' production
+ * because we don't want to allow arrays of VARCHAR().
+ * I haven't thought about whether that will work or not.
+ * - ay 6/95
+ */
+Character: character '(' Iconst ')'
+ {
+ if (strncasecmp($1, "char", strlen("char")) && strncasecmp($1, "varchar", strlen("varchar")))
+ yyerror("parse error");
+ if (atol($3) < 1) {
+ sprintf(errortext, "length for '%s' type must be at least 1",$1);
+ yyerror(errortext);
+ }
+ else if (atol($3) > 4096) {
+ /* we can store a char() of length up to the size
+ * of a page (8KB) - page headers and friends but
+ * just to be safe here... - ay 6/95
+ * XXX note this hardcoded limit - thomas 1997-07-13
+ */
+ sprintf(errortext, "length for type '%s' cannot exceed 4096",$1);
+ yyerror(errortext);
+ }
+
+ $$ = make2_str($1, cat3_str("(", $3, ")"));
+ }
+ | character
+ {
+ $$ = $1;
+ }
+ ;
+
+character: CHARACTER opt_varying opt_charset opt_collate
+ {
+ if (strlen($4) > 0) {
+ sprintf(errortext, "COLLATE %s not yet implemented",$4);
+ yyerror(errortext);
+ }
+ $$ = make4_str("character", $2, $3, $4);
+ }
+ | CHAR opt_varying { $$ = make2_str("char", $2); }
+ | VARCHAR { $$ = "varchar"; }
+ | NATIONAL CHARACTER opt_varying { $$ = make2_str("national character", $3); }
+ | NCHAR opt_varying { $$ = make2_str("nchar", $2); }
+ ;
+
+opt_varying: VARYING { $$ = "varying"; }
+ | /*EMPTY*/ { $$ = ""; }
+ ;
+
+opt_charset: CHARACTER SET ColId { $$ = make2_str("character set", $3); }
+ | /*EMPTY*/ { $$ = ""; }
+ ;
+
+opt_collate: COLLATE ColId { $$ = make2_str("collate", $2); }
+ | /*EMPTY*/ { $$ = ""; }
+ ;
+
+Datetime: datetime
+ {
+ $$ = $1;
+ }
+ | TIMESTAMP opt_timezone
+ {
+ $$ = make2_str("timestamp", $2);
+ }
+ | TIME
+ {
+ $$ = "time";
+ }
+ | INTERVAL opt_interval
+ {
+ $$ = make2_str("interval", $2);
+ }
+ ;
+
+datetime: YEAR_P { $$ = "year"; }
+ | MONTH_P { $$ = "month"; }
+ | DAY_P { $$ = "day"; }
+ | HOUR_P { $$ = "hour"; }
+ | MINUTE_P { $$ = "minute"; }
+ | SECOND_P { $$ = "second"; }
+ ;
+
+opt_timezone: WITH TIME ZONE { $$ = "with time zone"; }
+ | /*EMPTY*/ { $$ = ""; }
+ ;
+
+opt_interval: datetime { $$ = $1; }
+ | YEAR_P TO MONTH_P { $$ = "year to #month"; }
+ | DAY_P TO HOUR_P { $$ = "day to hour"; }
+ | DAY_P TO MINUTE_P { $$ = "day to minute"; }
+ | DAY_P TO SECOND_P { $$ = "day to second"; }
+ | HOUR_P TO MINUTE_P { $$ = "hour to minute"; }
+ | HOUR_P TO SECOND_P { $$ = "hour to second"; }
+ | /*EMPTY*/ { $$ = ""; }
+ ;
+
+
+/*****************************************************************************
+ *
+ * expression grammar, still needs some cleanup
+ *
+ *****************************************************************************/
+
+a_expr_or_null: a_expr
+ { $$ = $1; }
+ | NULL_P
+ {
+ $$ = "null";
+ }
+ ;
+
+/* Expressions using row descriptors
+ * Define row_descriptor to allow yacc to break the reduce/reduce conflict
+ * with singleton expressions.
+ */
+row_expr: '(' row_descriptor ')' IN '(' SubSelect ')'
+ {
+ $$ = cat5_str("(", $2, ") in (", $6, ")");
+ }
+ | '(' row_descriptor ')' NOT IN '(' SubSelect ')'
+ {
+ $$ = cat5_str("(", $2, ") not in (", $7, ")");
+ }
+ | '(' row_descriptor ')' Op '(' SubSelect ')'
+ {
+ $$ = cat3_str(cat5_str("(", $2, ")", $4, "("), $6, ")");
+ }
+ | '(' row_descriptor ')' '+' '(' SubSelect ')'
+ {
+ $$ = cat5_str("(", $2, ")+(", $6, ")");
+ }
+ | '(' row_descriptor ')' '-' '(' SubSelect ')'
+ {
+ $$ = cat5_str("(", $2, ")-(", $6, ")");
+ }
+ | '(' row_descriptor ')' '/' '(' SubSelect ')'
+ {
+ $$ = cat5_str("(", $2, ")/(", $6, ")");
+ }
+ | '(' row_descriptor ')' '*' '(' SubSelect ')'
+ {
+ $$ = cat5_str("(", $2, ")*(", $6, ")");
+ }
+ | '(' row_descriptor ')' '<' '(' SubSelect ')'
+ {
+ $$ = cat5_str("(", $2, ")<(", $6, ")");
+ }
+ | '(' row_descriptor ')' '>' '(' SubSelect ')'
+ {
+ $$ = cat5_str("(", $2, ")>(", $6, ")");
+ }
+ | '(' row_descriptor ')' '=' '(' SubSelect ')'
+ {
+ $$ = cat5_str("(", $2, ")=(", $6, ")");
+ }
+ | '(' row_descriptor ')' Op ANY '(' SubSelect ')'
+ {
+ $$ = make3_str(cat3_str("(", $2, ")"), $4, cat3_str("any(", $7, ")"));
+ }
+ | '(' row_descriptor ')' '+' ANY '(' SubSelect ')'
+ {
+ $$ = cat5_str("(", $2, ")+any(", $7, ")");
+ }
+ | '(' row_descriptor ')' '-' ANY '(' SubSelect ')'
+ {
+ $$ = cat5_str("(", $2, ")-any(", $7, ")");
+ }
+ | '(' row_descriptor ')' '/' ANY '(' SubSelect ')'
+ {
+ $$ = cat5_str("(", $2, ")/any(", $7, ")");
+ }
+ | '(' row_descriptor ')' '*' ANY '(' SubSelect ')'
+ {
+ $$ = cat5_str("(", $2, ")*any(", $7, ")");
+ }
+ | '(' row_descriptor ')' '<' ANY '(' SubSelect ')'
+ {
+ $$ = cat5_str("(", $2, ")<any(", $7, ")");
+ }
+ | '(' row_descriptor ')' '>' ANY '(' SubSelect ')'
+ {
+ $$ = cat5_str("(", $2, ")>any(", $7, ")");
+ }
+ | '(' row_descriptor ')' '=' ANY '(' SubSelect ')'
+ {
+ $$ = cat5_str("(", $2, ")=any(", $7, ")");
+ }
+ | '(' row_descriptor ')' Op ALL '(' SubSelect ')'
+ {
+ $$ = make3_str(cat3_str("(", $2, ")"), $4, cat3_str("all(", $7, ")"));
+ }
+ | '(' row_descriptor ')' '+' ALL '(' SubSelect ')'
+ {
+ $$ = cat5_str("(", $2, ")+all(", $7, ")");
+ }
+ | '(' row_descriptor ')' '-' ALL '(' SubSelect ')'
+ {
+ $$ = cat5_str("(", $2, ")-all(", $7, ")");
+ }
+ | '(' row_descriptor ')' '/' ALL '(' SubSelect ')'
+ {
+ $$ = cat5_str("(", $2, ")/all(", $7, ")");
+ }
+ | '(' row_descriptor ')' '*' ALL '(' SubSelect ')'
+ {
+ $$ = cat5_str("(", $2, ")*all(", $7, ")");
+ }
+ | '(' row_descriptor ')' '<' ALL '(' SubSelect ')'
+ {
+ $$ = cat5_str("(", $2, ")<all(", $7, ")");
+ }
+ | '(' row_descriptor ')' '>' ALL '(' SubSelect ')'
+ {
+ $$ = cat5_str("(", $2, ")>all(", $7, ")");
+ }
+ | '(' row_descriptor ')' '=' ALL '(' SubSelect ')'
+ {
+ $$ = cat5_str("(", $2, ")=all(", $7, ")");
+ }
+ | '(' row_descriptor ')' Op '(' row_descriptor ')'
+ {
+ $$ = make3_str(cat3_str("(", $2, ")"), $4, cat3_str("(", $6, ")"));
+ }
+ | '(' row_descriptor ')' '+' '(' row_descriptor ')'
+ {
+ $$ = cat5_str("(", $2, ")+(", $6, ")");
+ }
+ | '(' row_descriptor ')' '-' '(' row_descriptor ')'
+ {
+ $$ = cat5_str("(", $2, ")-(", $6, ")");
+ }
+ | '(' row_descriptor ')' '/' '(' row_descriptor ')'
+ {
+ $$ = cat5_str("(", $2, ")/(", $6, ")");
+ }
+ | '(' row_descriptor ')' '*' '(' row_descriptor ')'
+ {
+ $$ = cat5_str("(", $2, ")*(", $6, ")");
+ }
+ | '(' row_descriptor ')' '<' '(' row_descriptor ')'
+ {
+ $$ = cat5_str("(", $2, ")<(", $6, ")");
+ }
+ | '(' row_descriptor ')' '>' '(' row_descriptor ')'
+ {
+ $$ = cat5_str("(", $2, ")>(", $6, ")");
+ }
+ | '(' row_descriptor ')' '=' '(' row_descriptor ')'
+ {
+ $$ = cat5_str("(", $2, ")=(", $6, ")");
+ }
+ ;
+
+row_descriptor: row_list ',' a_expr
+ {
+ $$ = make3_str($1, ",", $3);
+ }
+ ;
+
+row_list: row_list ',' a_expr
+ {
+ $$ = make3_str($1, ",", $3);
+ }
+ | a_expr
+ {
+ $$ = $1;
+ }
+ ;
+
+/*
+ * This is the heart of the expression syntax.
+ * Note that the BETWEEN clause looks similar to a boolean expression
+ * and so we must define b_expr which is almost the same as a_expr
+ * but without the boolean expressions.
+ * All operations are allowed in a BETWEEN clause if surrounded by parens.
+ */
+
+a_expr: attr opt_indirection
+ {
+ $$ = make2_str($1, $2);
+ }
+ | row_expr
+ { $$ = $1; }
+ | AexprConst
+ { $$ = $1; }
+ | ColId
+ {
+ $$ = $1;
+ }
+ | '-' a_expr %prec UMINUS
+ { $$ = make2_str("-", $2); }
+ | a_expr '+' a_expr
+ { $$ = make3_str($1, "+", $3); }
+ | a_expr '-' a_expr
+ { $$ = make3_str($1, "-", $3); }
+ | a_expr '/' a_expr
+ { $$ = make3_str($1, "/", $3); }
+ | a_expr '*' a_expr
+ { $$ = make3_str($1, "*", $3); }
+ | a_expr '<' a_expr
+ { $$ = make3_str($1, "<", $3); }
+ | a_expr '>' a_expr
+ { $$ = make3_str($1, ">", $3); }
+ | a_expr '=' a_expr
+ { $$ = make3_str($1, "=", $3); }
+/* not possible in embedded sql | ':' a_expr
+ { $$ = make2_str(":", $2); }
+*/
+ | ';' a_expr
+ { $$ = make2_str(";", $2); }
+ | '|' a_expr
+ { $$ = make2_str("|", $2); }
+ | a_expr TYPECAST Typename
+ {
+ $$ = make3_str($1, "::", $3);
+ }
+ | CAST '(' a_expr AS Typename ')'
+ {
+ $$ = make3_str(cat2_str("cast(", $3), "as", cat2_str($5, ")"));
+ }
+ | '(' a_expr_or_null ')'
+ { $$ = cat3_str("(", $2, ")"); }
+ | a_expr Op a_expr
+ { $$ = make3_str($1, $2, $3); }
+ | a_expr LIKE a_expr
+ { $$ = make3_str($1, "like", $3); }
+ | a_expr NOT LIKE a_expr
+ { $$ = make3_str($1, "not like", $4); }
+ | Op a_expr
+ { $$ = make2_str($1, $2); }
+ | a_expr Op
+ { $$ = make2_str($1, $2); }
+ | func_name '(' '*' ')'
+ {
+ $$ = make2_str($1, "(*)");
+ }
+ | func_name '(' ')'
+ {
+ $$ = make2_str($1, "()");
+ }
+ | func_name '(' expr_list ')'
+ {
+ $$ = cat4_str($1, "(", $3, ")");
+ }
+ | CURRENT_DATE
+ {
+ $$ = "current_date";
+ }
+ | CURRENT_TIME
+ {
+ $$ = "current_time";
+ }
+ | CURRENT_TIME '(' Iconst ')'
+ {
+ if (atol($3) != 0)
+ fprintf(stderr,"CURRENT_TIME(%s) precision not implemented; zero used instead", $3);
+ $$ = "current_time";
+ }
+ | CURRENT_TIMESTAMP
+ {
+ $$ = "current_timestamp";
+ }
+ | CURRENT_TIMESTAMP '(' Iconst ')'
+ {
+ if (atol($3) != 0)
+ fprintf(stderr,"CURRENT_TIMESTAMP(%s) precision not implemented; zero used instead",$3);
+ $$ = "current_timestamp";
+ }
+ | CURRENT_USER
+ {
+ $$ = "current_user";
+ }
+ | EXISTS '(' SubSelect ')'
+ {
+ $$ = cat3_str("exists(", $3, ")");
+ }
+ | EXTRACT '(' extract_list ')'
+ {
+ $$ = cat3_str("extract(", $3, ")");
+ }
+ | POSITION '(' position_list ')'
+ {
+ $$ = cat3_str("position(", $3, ")");
+ }
+ | SUBSTRING '(' substr_list ')'
+ {
+ $$ = cat3_str("substring(", $3, ")");
+ }
+ /* various trim expressions are defined in SQL92 - thomas 1997-07-19 */
+ | TRIM '(' BOTH trim_list ')'
+ {
+ $$ = cat3_str("trim(both", $4, ")");
+ }
+ | TRIM '(' LEADING trim_list ')'
+ {
+ $$ = cat3_str("trim(leading", $4, ")");
+ }
+ | TRIM '(' TRAILING trim_list ')'
+ {
+ $$ = cat3_str("trim(trailing", $4, ")");
+ }
+ | TRIM '(' trim_list ')'
+ {
+ $$ = cat3_str("trim(", $3, ")");
+ }
+ | a_expr ISNULL
+ { $$ = make2_str($1, "isnull"); }
+ | a_expr IS NULL_P
+ { $$ = make2_str($1, "is null"); }
+ | a_expr NOTNULL
+ { $$ = make2_str($1, "notnull"); }
+ | a_expr IS NOT NULL_P
+ { $$ = make2_str($1, "is not null"); }
+ /* IS TRUE, IS FALSE, etc used to be function calls
+ * but let's make them expressions to allow the optimizer
+ * a chance to eliminate them if a_expr is a constant string.
+ * - thomas 1997-12-22
+ */
+ | a_expr IS TRUE_P
+ {
+ { $$ = make2_str($1, "is true"); }
+ }
+ | a_expr IS NOT FALSE_P
+ {
+ { $$ = make2_str($1, "is not false"); }
+ }
+ | a_expr IS FALSE_P
+ {
+ { $$ = make2_str($1, "is false"); }
+ }
+ | a_expr IS NOT TRUE_P
+ {
+ { $$ = make2_str($1, "is not true"); }
+ }
+ | a_expr BETWEEN b_expr AND b_expr
+ {
+ $$ = make5_str($1, "between", $3, "and", $5);
+ }
+ | a_expr NOT BETWEEN b_expr AND b_expr
+ {
+ $$ = make5_str($1, "not between", $4, "and", $6);
+ }
+ | a_expr IN '(' in_expr ')'
+ {
+ $$ = cat4_str($1, "in (", $4, ")");
+ }
+ | a_expr NOT IN '(' not_in_expr ')'
+ {
+ $$ = cat4_str($1, "not in (", $5, ")");
+ }
+ | a_expr Op '(' SubSelect ')'
+ {
+ $$ = make3_str($1, $2, cat3_str("(", $4, ")"));
+ }
+ | a_expr '+' '(' SubSelect ')'
+ {
+ $$ = cat4_str($1, "+(", $4, ")");
+ }
+ | a_expr '-' '(' SubSelect ')'
+ {
+ $$ = cat4_str($1, "-(", $4, ")");
+ }
+ | a_expr '/' '(' SubSelect ')'
+ {
+ $$ = cat4_str($1, "/(", $4, ")");
+ }
+ | a_expr '*' '(' SubSelect ')'
+ {
+ $$ = cat4_str($1, "*(", $4, ")");
+ }
+ | a_expr '<' '(' SubSelect ')'
+ {
+ $$ = cat4_str($1, "<(", $4, ")");
+ }
+ | a_expr '>' '(' SubSelect ')'
+ {
+ $$ = cat4_str($1, ">(", $4, ")");
+ }
+ | a_expr '=' '(' SubSelect ')'
+ {
+ $$ = cat4_str($1, "=(", $4, ")");
+ }
+ | a_expr Op ANY '(' SubSelect ')'
+ {
+ $$ = make3_str($1, $2, cat3_str("any(", $5, ")"));
+ }
+ | a_expr '+' ANY '(' SubSelect ')'
+ {
+ $$ = cat4_str($1, "+any(", $5, ")");
+ }
+ | a_expr '-' ANY '(' SubSelect ')'
+ {
+ $$ = cat4_str($1, "-any(", $5, ")");
+ }
+ | a_expr '/' ANY '(' SubSelect ')'
+ {
+ $$ = cat4_str($1, "/any(", $5, ")");
+ }
+ | a_expr '*' ANY '(' SubSelect ')'
+ {
+ $$ = cat4_str($1, "*any(", $5, ")");
+ }
+ | a_expr '<' ANY '(' SubSelect ')'
+ {
+ $$ = cat4_str($1, "<any(", $5, ")");
+ }
+ | a_expr '>' ANY '(' SubSelect ')'
+ {
+ $$ = cat4_str($1, ">any(", $5, ")");
+ }
+ | a_expr '=' ANY '(' SubSelect ')'
+ {
+ $$ = cat4_str($1, "=any(", $5, ")");
+ }
+ | a_expr Op ALL '(' SubSelect ')'
+ {
+ $$ = make3_str($1, $2, cat3_str("all (", $5, ")"));
+ }
+ | a_expr '+' ALL '(' SubSelect ')'
+ {
+ $$ = cat4_str($1, "+all(", $5, ")");
+ }
+ | a_expr '-' ALL '(' SubSelect ')'
+ {
+ $$ = cat4_str($1, "-all(", $5, ")");
+ }
+ | a_expr '/' ALL '(' SubSelect ')'
+ {
+ $$ = cat4_str($1, "/all(", $5, ")");
+ }
+ | a_expr '*' ALL '(' SubSelect ')'
+ {
+ $$ = cat4_str($1, "*all(", $5, ")");
+ }
+ | a_expr '<' ALL '(' SubSelect ')'
+ {
+ $$ = cat4_str($1, "<all(", $5, ")");
+ }
+ | a_expr '>' ALL '(' SubSelect ')'
+ {
+ $$ = cat4_str($1, ">all(", $5, ")");
+ }
+ | a_expr '=' ALL '(' SubSelect ')'
+ {
+ $$ = cat4_str($1, "=all(", $5, ")");
+ }
+ | a_expr AND a_expr
+ { $$ = make3_str($1, "and", $3); }
+ | a_expr OR a_expr
+ { $$ = make3_str($1, "or", $3); }
+ | NOT a_expr
+ { $$ = make2_str("not", $2); }
+ | cinputvariable
+ { $$ = ";;"; }
+ ;
+
+/*
+ * b_expr is a subset of the complete expression syntax
+ * defined by a_expr. b_expr is used in BETWEEN clauses
+ * to eliminate parser ambiguities stemming from the AND keyword.
+ */
+
+b_expr: attr opt_indirection
+ {
+ $$ = make2_str($1, $2);
+ }
+ | AexprConst
+ { $$ = $1; }
+ | ColId
+ {
+ $$ = $1;
+ }
+ | '-' b_expr %prec UMINUS
+ { $$ = make2_str("-", $2); }
+ | b_expr '+' b_expr
+ { $$ = make3_str($1, "+", $3); }
+ | b_expr '-' b_expr
+ { $$ = make3_str($1, "-", $3); }
+ | b_expr '/' b_expr
+ { $$ = make3_str($1, "/", $3); }
+ | b_expr '*' b_expr
+ { $$ = make3_str($1, "*", $3); }
+/* not possible in embedded sql | ':' b_expr
+ { $$ = make2_str(":", $2); }
+*/
+ | ';' b_expr
+ { $$ = make2_str(";", $2); }
+ | '|' b_expr
+ { $$ = make2_str("|", $2); }
+ | b_expr TYPECAST Typename
+ {
+ $$ = make3_str($1, "::", $3);
+ }
+ | CAST '(' b_expr AS Typename ')'
+ {
+ $$ = make3_str(cat2_str("cast(", $3), "as", cat2_str($5, ")"));
+ }
+ | '(' a_expr ')'
+ { $$ = cat3_str("(", $2, ")"); }
+ | b_expr Op b_expr
+ { $$ = make3_str($1, $2, $3); }
+ | Op b_expr
+ { $$ = make2_str($1, $2); }
+ | b_expr Op
+ { $$ = make2_str($1, $2); }
+ | func_name '(' ')'
+ {
+ $$ = make2_str($1, "()");
+ }
+ | func_name '(' expr_list ')'
+ {
+ $$ = cat4_str($1, "(", $3, ")");
+ }
+ | CURRENT_DATE
+ {
+ $$ = "current_date";
+ }
+ | CURRENT_TIME
+ {
+ $$ = "current_time";
+ }
+ | CURRENT_TIME '(' Iconst ')'
+ {
+ if ($3 != 0)
+ fprintf(stderr,"CURRENT_TIME(%s) precision not implemented; zero used instead", $3);
+ $$ = "current_time";
+ }
+ | CURRENT_TIMESTAMP
+ {
+ $$ = "current_timestamp";
+ }
+ | CURRENT_TIMESTAMP '(' Iconst ')'
+ {
+ if (atol($3) != 0)
+ fprintf(stderr,"CURRENT_TIMESTAMP(%s) precision not implemented; zero used instead",$3);
+ $$ = "current_timestamp";
+ }
+ | CURRENT_USER
+ {
+ $$ = "current_user";
+ }
+ | POSITION '(' position_list ')'
+ {
+ $$ = cat3_str("position (", $3, ")");
+ }
+ | SUBSTRING '(' substr_list ')'
+ {
+ $$ = cat3_str("substring (", $3, ")");
+ }
+ /* various trim expressions are defined in SQL92 - thomas 1997-07-19 */
+ | TRIM '(' BOTH trim_list ')'
+ {
+ $$ = cat3_str("trim(both", $4, ")");
+ }
+ | TRIM '(' LEADING trim_list ')'
+ {
+ $$ = cat3_str("trim(leading", $4, ")");
+ }
+ | TRIM '(' TRAILING trim_list ')'
+ {
+ $$ = cat3_str("trim(trailing", $4, ")");
+ }
+ | TRIM '(' trim_list ')'
+ {
+ $$ = cat3_str("trim(", $3, ")");
+ }
+ | civariableonly
+ { $$ = ";;"; }
+ ;
+
+opt_indirection: '[' c_expr ']' opt_indirection
+ {
+ $$ = make4_str("[", $2, "]", $4);
+ }
+ | '[' c_expr ':' c_expr ']' opt_indirection
+ {
+ $$ = make2_str(make5_str("[", $2, ":", $4, "]"), $6);
+ }
+ | /* EMPTY */
+ { $$ = ""; }
+ ;
+
+expr_list: a_expr_or_null
+ { $$ = $1; }
+ | expr_list ',' a_expr_or_null
+ { $$ = make3_str($1, ",", $3); }
+ | expr_list USING a_expr
+ { $$ = make3_str($1, "using", $3); }
+ ;
+
+extract_list: extract_arg FROM a_expr
+ {
+ $$ = make3_str($1, "from", $3);
+ }
+ | /* EMPTY */
+ { $$ = ""; }
+ | cinputvariable
+ { $$ = ";;"; }
+ ;
+
+/* Add in TIMEZONE_HOUR and TIMEZONE_MINUTE for SQL92 compliance
+ * for next release. Just set up extract_arg for now...
+ * - thomas 1998-04-08
+ */
+extract_arg: datetime
+ { $$ = $1; }
+ ;
+
+position_list: position_expr IN position_expr
+ { $$ = make3_str($1, "in", $3); }
+ | /* EMPTY */
+ { $$ = ""; }
+ ;
+
+position_expr: attr opt_indirection
+ {
+ $$ = make2_str($1, $2);
+ }
+ | AexprConst
+ { $$ = $1; }
+ | '-' position_expr %prec UMINUS
+ { $$ = make2_str("-", $2); }
+ | position_expr '+' position_expr
+ { $$ = make3_str($1, "+", $3); }
+ | position_expr '-' position_expr
+ { $$ = make3_str($1, "-", $3); }
+ | position_expr '/' position_expr
+ { $$ = make3_str($1, "/", $3); }
+ | position_expr '*' position_expr
+ { $$ = make3_str($1, "*", $3); }
+ | '|' position_expr
+ { $$ = make2_str("|", $2); }
+ | position_expr TYPECAST Typename
+ {
+ $$ = make3_str($1, "::", $3);
+ }
+ | CAST '(' position_expr AS Typename ')'
+ {
+ $$ = make3_str(cat2_str("cast(", $3), "as", cat2_str($5, ")"));
+ }
+ | '(' position_expr ')'
+ { $$ = cat3_str("(", $2, ")"); }
+ | position_expr Op position_expr
+ { $$ = make3_str($1, $2, $3); }
+ | Op position_expr
+ { $$ = make2_str($1, $2); }
+ | position_expr Op
+ { $$ = make2_str($1, $2); }
+ | ColId
+ {
+ $$ = $1;
+ }
+ | func_name '(' ')'
+ {
+ $$ = make2_str($1, "()");
+ }
+ | func_name '(' expr_list ')'
+ {
+ $$ = cat4_str($1, "(", $3, ")");
+ }
+ | POSITION '(' position_list ')'
+ {
+ $$ = cat3_str("position(", $3, ")");
+ }
+ | SUBSTRING '(' substr_list ')'
+ {
+ $$ = cat3_str("substring(", $3, ")");
+ }
+ /* various trim expressions are defined in SQL92 - thomas 1997-07-19 */
+ | TRIM '(' BOTH trim_list ')'
+ {
+ $$ = cat3_str("trim(both", $4, ")");
+ }
+ | TRIM '(' LEADING trim_list ')'
+ {
+ $$ = cat3_str("trim(leading", $4, ")");
+ }
+ | TRIM '(' TRAILING trim_list ')'
+ {
+ $$ = cat3_str("trim(trailing", $4, ")");
+ }
+ | TRIM '(' trim_list ')'
+ {
+ $$ = cat3_str("trim(", $3, ")");
+ }
+ ;
+
+substr_list: expr_list substr_from substr_for
+ {
+ $$ = make3_str($1, $2, $3);
+ }
+ | /* EMPTY */
+ { $$ = ""; }
+ ;
+
+substr_from: FROM expr_list
+ { $$ = make2_str("from", $2); }
+ | /* EMPTY */
+ {
+ $$ = "";
+ }
+ ;
+
+substr_for: FOR expr_list
+ { $$ = make2_str("for", $2); }
+ | /* EMPTY */
+ { $$ = ""; }
+ ;
+
+trim_list: a_expr FROM expr_list
+ { $$ = make3_str($1, "from", $3); }
+ | FROM expr_list
+ { $$ = make2_str("from", $2); }
+ | expr_list
+ { $$ = $1; }
+ ;
+
+in_expr: SubSelect
+ {
+ $$ = $1;
+ }
+ | in_expr_nodes
+ { $$ = $1; }
+ ;
+
+in_expr_nodes: AexprConst
+ { $$ = $1; }
+ | in_expr_nodes ',' AexprConst
+ { $$ = make3_str($1, ",", $3);}
+ ;
+
+not_in_expr: SubSelect
+ {
+ $$ = $1;
+ }
+ | not_in_expr_nodes
+ { $$ = $1; }
+ ;
+
+not_in_expr_nodes: AexprConst
+ { $$ = $1; }
+ | not_in_expr_nodes ',' AexprConst
+ { $$ = make3_str($1, ",", $3);}
+ ;
+
+attr: relation_name '.' attrs
+ {
+ $$ = make3_str($1, ".", $3);
+ }
+ | ParamNo '.' attrs
+ {
+ $$ = make3_str($1, ".", $3);
+ }
+ ;
+
+attrs: attr_name
+ { $$ = $1; }
+ | attrs '.' attr_name
+ { $$ = make3_str($1, ".", $3); }
+ | attrs '.' '*'
+ { $$ = make2_str($1, ".*"); }
+ ;
+
+
+/*****************************************************************************
+ *
+ * target lists
+ *
+ *****************************************************************************/
+
+res_target_list: res_target_list ',' res_target_el
+ { $$ = make3_str($1, ",",$3); }
+ | res_target_el
+ { $$ = $1; }
+ | '*' { $$ = "*"; }
+ ;
+
+res_target_el: ColId opt_indirection '=' a_expr_or_null
+ {
+ $$ = make4_str($1, $2, "=", $4);
+ }
+ | attr opt_indirection
+ {
+ $$ = make2_str($1, $2);
+ }
+ | relation_name '.' '*'
+ {
+ $$ = make2_str($1, ".*");
+ }
+ ;
+
+/*
+** target list for select.
+** should get rid of the other but is still needed by the defunct select into
+** and update (uses a subset)
+*/
+res_target_list2: res_target_list2 ',' res_target_el2
+ { $$ = make3_str($1, ",", $3); }
+ | res_target_el2
+ { $$ = $1; }
+ ;
+
+/* AS is not optional because shift/red conflict with unary ops */
+res_target_el2: a_expr_or_null AS ColLabel
+ {
+ $$ = make3_str($1, "as", $3);
+ }
+ | a_expr_or_null
+ {
+ $$ = $1;
+ }
+ | relation_name '.' '*'
+ {
+ $$ = make2_str($1, ".*");
+ }
+ | '*'
+ {
+ $$ = "*";
+ }
+ ;
+
+opt_id: ColId { $$ = $1; }
+ | /* EMPTY */ { $$ = ""; }
+ ;
+
+relation_name: SpecialRuleRelation
+ {
+ $$ = $1;
+ }
+ | ColId
+ {
+ /* disallow refs to variable system tables */
+ if (strcmp(LogRelationName, $1) == 0
+ || strcmp(VariableRelationName, $1) == 0) {
+ sprintf(errortext, "%s cannot be accessed by users",$1);
+ yyerror(errortext);
+ }
+ else
+ $$ = $1;
+ }
+ ;
+
+database_name: ColId { $$ = $1; };
+access_method: IDENT { $$ = $1; };
+attr_name: ColId { $$ = $1; };
+class: IDENT { $$ = $1; };
+index_name: ColId { $$ = $1; };
+
+/* Functions
+ * Include date/time keywords as SQL92 extension.
+ * Include TYPE as a SQL92 unreserved keyword. - thomas 1997-10-05
+ */
+name: ColId { $$ = $1; };
+func_name: ColId { $$ = $1; };
+
+file_name: Sconst { $$ = $1; };
+recipe_name: IDENT { $$ = $1; };
+
+/* Constants
+ * Include TRUE/FALSE for SQL3 support. - thomas 1997-10-24
+ */
+AexprConst: Iconst
+ {
+ $$ = $1;
+ }
+ | FCONST
+ {
+ $$ = make_name();
+ }
+ | Sconst
+ {
+ $$ = $1;
+ }
+ | Typename Sconst
+ {
+ $$ = make2_str($1, $2);
+ }
+ | ParamNo
+ { $$ = $1; }
+ | TRUE_P
+ {
+ $$ = "true";
+ }
+ | FALSE_P
+ {
+ $$ = "false";
+ }
+ ;
+
+ParamNo: PARAM
+ {
+ $$ = make_name();
+ }
+ ;
+
+NumConst: Iconst { $$ = $1; }
+ | FCONST { $$ = make_name(); }
+ ;
+
+Iconst: ICONST { $$ = make_name();};
+Sconst: SCONST {
+ $$ = (char *)mm_alloc(strlen($1) + 3);
+ $$[0]='\'';
+ strcpy($$+1, $1);
+ $$[strlen($1)+2]='\0';
+ $$[strlen($1)+1]='\'';
+ }
+UserId: IDENT { $$ = $1;};
+
+/* Column and type identifier
+ * Does not include explicit datetime types
+ * since these must be decoupled in Typename syntax.
+ * Use ColId for most identifiers. - thomas 1997-10-21
+ */
+TypeId: ColId
+ { $$ = $1; }
+ | numeric
+ { $$ = $1; }
+ | character
+ { $$ = $1; }
+ ;
+/* Column identifier
+ * Include date/time keywords as SQL92 extension.
+ * Include TYPE as a SQL92 unreserved keyword. - thomas 1997-10-05
+ * Add other keywords. Note that as the syntax expands,
+ * some of these keywords will have to be removed from this
+ * list due to shift/reduce conflicts in yacc. If so, move
+ * down to the ColLabel entity. - thomas 1997-11-06
+ */
+ColId: IDENT { $$ = $1; }
+ | datetime { $$ = $1; }
+ | ACTION { $$ = "action"; }
+ | CACHE { $$ = "cache"; }
+ | CYCLE { $$ = "cycle"; }
+ | DATABASE { $$ = "database"; }
+ | DELIMITERS { $$ = "delimiters"; }
+ | DOUBLE { $$ = "double"; }
+ | EACH { $$ = "each"; }
+ | FUNCTION { $$ = "function"; }
+ | INCREMENT { $$ = "increment"; }
+ | INDEX { $$ = "index"; }
+ | KEY { $$ = "key"; }
+ | LANGUAGE { $$ = "language"; }
+ | LOCATION { $$ = "location"; }
+ | MATCH { $$ = "match"; }
+ | MAXVALUE { $$ = "maxvalue"; }
+ | MINVALUE { $$ = "minvalue"; }
+ | OPERATOR { $$ = "operator"; }
+ | OPTION { $$ = "option"; }
+ | PASSWORD { $$ = "password"; }
+ | PRIVILEGES { $$ = "privileges"; }
+ | RECIPE { $$ = "recipe"; }
+ | ROW { $$ = "row"; }
+ | START { $$ = "start"; }
+ | STATEMENT { $$ = "statement"; }
+ | TIME { $$ = "time"; }
+ | TRIGGER { $$ = "trigger"; }
+ | TYPE_P { $$ = "type"; }
+ | USER { $$ = "user"; }
+ | VALID { $$ = "valid"; }
+ | VERSION { $$ = "version"; }
+ | ZONE { $$ = "zone"; }
+ ;
+
+/* Column label
+ * Allowed labels in "AS" clauses.
+ * Include TRUE/FALSE SQL3 reserved words for Postgres backward
+ * compatibility. Cannot allow this for column names since the
+ * syntax would not distinguish between the constant value and
+ * a column name. - thomas 1997-10-24
+ * Add other keywords to this list. Note that they appear here
+ * rather than in ColId if there was a shift/reduce conflict
+ * when used as a full identifier. - thomas 1997-11-06
+ */
+ColLabel: ColId { $$ = $1; }
+ | ARCHIVE { $$ = "archive"; }
+ | CLUSTER { $$ = "cluster"; }
+ | CONSTRAINT { $$ = "constraint"; }
+ | CROSS { $$ = "cross"; }
+ | FOREIGN { $$ = "foreign"; }
+ | GROUP { $$ = "group"; }
+ | LOAD { $$ = "load"; }
+ | ORDER { $$ = "order"; }
+ | POSITION { $$ = "position"; }
+ | PRECISION { $$ = "precision"; }
+ | TABLE { $$ = "table"; }
+ | TRANSACTION { $$ = "transaction"; }
+ | TRUE_P { $$ = "true"; }
+ | FALSE_P { $$ = "false"; }
+ ;
+
+SpecialRuleRelation: CURRENT
+ {
+ if (QueryIsRule)
+ $$ = "current";
+ else
+ yyerror("CURRENT used in non-rule query");
+ }
+ | NEW
+ {
+ if (QueryIsRule)
+ $$ = "new";
+ else
+ yyerror("NEW used in non-rule query");
+ }
+ ;
+
+/*
+ * and now special embedded SQL stuff
+ */
+
+/*
+ * variable declaration inside the exec sql declare block
+ */
+ECPGDeclaration: sql_startdeclare variable_declarations sql_enddeclare {}
+
+sql_startdeclare : ecpgstart BEGIN_TRANS DECLARE SQL_SECTION SQL_SEMI {
+ fputs("/* exec sql begin declare section */\n", yyout);
+ output_line_number();
+ }
+
+sql_enddeclare: ecpgstart END_TRANS DECLARE SQL_SECTION SQL_SEMI {
+ fputs("/* exec sql end declare section */\n", yyout);
output_line_number();
}
variable_declarations : /* empty */
- | variable_declarations variable_declaration;
+ | variable_declarations variable_declaration;
/* Here is where we can enter support for typedef. */
-variable_declaration : type initializer ';' {
+variable_declaration: type initializer ';' {
/* don't worry about our list when we're working on a struct */
if (struct_level == 0)
{
- new_variable($<type>1.name, $<type>1.typ);
- free((void *)$<type>1.name);
+ new_variable($<type>1.name, $<type>1.typ);
+ free((void *)$<type>1.name);
}
- fprintf(yyout, ";");
+ fputs(";", yyout);
}
initializer : /*empty */
- | '=' {fwrite(yytext, yyleng, 1, yyout);} vartext;
-
-vartext : /* empty */ {}
- | vartext both_anything {
- if (do_length == 0)
- fwrite(yytext, yyleng, 1, yyout);
- else
- {
- if (strlen(do_str) + yyleng + 1 >= do_length)
- do_str = mm_realloc(do_str, do_length += yyleng);
-
- strcat(do_str, yytext);
- }
-}
-
-symbol : S_SYMBOL {
- char * name = (char *)malloc(yyleng + 1);
-
- strncpy(name, yytext, yyleng);
- name[yyleng] = '\0';
-
- $<symbolname>$ = name;
-}
+ | '=' {fwrite(yytext, yyleng, 1, yyout);} vartext;
type : maybe_storage_clause type_detailed { $<type>$ = $<type>2; };
type_detailed : varchar_type { $<type>$ = $<type>1; }
| struct_type {$<type>$ = $<type>1; };
varchar_type : varchar_tag symbol index {
- if ($<indexsize>3 > 0L)
- fprintf(yyout, "struct varchar_%s { int len; char arr[%ld]; } %s", $<symbolname>2, $<indexsize>3, $<symbolname>2);
+ if ($<ival>3 > 0L)
+ fprintf(yyout, "struct varchar_%s { int len; char arr[%d]; } %s", $2, $<ival>3, $2);
else
- fprintf(yyout, "struct varchar_%s { int len; char arr[]; } %s", $<symbolname>2, $<symbolname>2);
+ fprintf(yyout, "struct varchar_%s { int len; char arr[]; } %s", $2, $2);
if (struct_level == 0)
{
- $<type>$.name = $<symbolname>2;
- $<type>$.typ = ECPGmake_varchar_type(ECPGt_varchar, $<indexsize>3);
+ $<type>$.name = $2;
+ $<type>$.typ = ECPGmake_varchar_type(ECPGt_varchar, $<ival>3);
}
else
- ECPGmake_record_member($<symbolname>2, ECPGmake_varchar_type(ECPGt_varchar, $<indexsize>3), &(record_member_list[struct_level-1]));
+ ECPGmake_record_member($2, ECPGmake_varchar_type(ECPGt_varchar, $<ival>3), &(record_member_list[struct_level-1]));
}
-varchar_tag : S_VARCHAR { $<tagname>$ = $<tagname>1; }
- | S_VARCHAR2 { $<tagname>$ = $<tagname>1; };
+varchar_tag: S_VARCHAR /*| S_VARCHAR2 */;
simple_type : simple_tag symbol {
- fprintf(yyout, "%s %s", ECPGtype_name($<type_enum>1), $<symbolname>2);
+ fprintf(yyout, "%s %s", ECPGtype_name($<type_enum>1), $2);
if (struct_level == 0)
{
- $<type>$.name = $<symbolname>2;
+ $<type>$.name = $2;
$<type>$.typ = ECPGmake_simple_type($<type_enum>1, 1);
}
else
- ECPGmake_record_member($<symbolname>2, ECPGmake_simple_type($<type_enum>1, 1), &(record_member_list[struct_level-1]));
+ ECPGmake_record_member($2, ECPGmake_simple_type($<type_enum>1, 1), &(record_member_list[struct_level-1]));
}
string_type : char_tag symbol index {
- if ($<indexsize>3 > 0L)
- fprintf(yyout, "%s %s [%ld]", ECPGtype_name($<type_enum>1), $<symbolname>2, $<indexsize>3);
+ if ($<ival>3 > 0L)
+ fprintf(yyout, "%s %s [%d]", ECPGtype_name($<type_enum>1), $2, $<ival>3);
else
- fprintf(yyout, "%s %s []", ECPGtype_name($<type_enum>1), $<symbolname>2);
+ fprintf(yyout, "%s %s []", ECPGtype_name($<type_enum>1), $2);
if (struct_level == 0)
{
- $<type>$.name = $<symbolname>2;
- $<type>$.typ = ECPGmake_simple_type($<type_enum>1, $<indexsize>3);
+ $<type>$.name = $2;
+ $<type>$.typ = ECPGmake_simple_type($<type_enum>1, $<ival>3);
}
else
- ECPGmake_record_member($<symbolname>2, ECPGmake_simple_type($<type_enum>1, $<indexsize>3), &(record_member_list[struct_level-1]));
+ ECPGmake_record_member($2, ECPGmake_simple_type($<type_enum>1, $<ival>3), &(record_member_list[struct_level-1]));
}
| char_tag '*' symbol {
- fprintf(yyout, "%s *%s", ECPGtype_name($<type_enum>1), $<symbolname>3);
+ fprintf(yyout, "%s *%s", ECPGtype_name($<type_enum>1), $3);
if (struct_level == 0)
{
- $<type>$.name = $<symbolname>3;
+ $<type>$.name = $3;
$<type>$.typ = ECPGmake_simple_type($<type_enum>1, 0);
}
else
- ECPGmake_record_member($<symbolname>3, ECPGmake_simple_type($<type_enum>1, 0), &(record_member_list[struct_level-1]));
+ ECPGmake_record_member($3, ECPGmake_simple_type($<type_enum>1, 0), &(record_member_list[struct_level-1]));
}
| char_tag symbol {
- fprintf(yyout, "%s %s", ECPGtype_name($<type_enum>1), $<symbolname>2);
+ fprintf(yyout, "%s %s", ECPGtype_name($<type_enum>1), $2);
if (struct_level == 0)
{
- $<type>$.name = $<symbolname>2;
+ $<type>$.name = $2;
$<type>$.typ = ECPGmake_simple_type($<type_enum>1, 1);
}
else
- ECPGmake_record_member($<symbolname>2, ECPGmake_simple_type($<type_enum>1, 1), &(record_member_list[struct_level-1]));
+ ECPGmake_record_member($2, ECPGmake_simple_type($<type_enum>1, 1), &(record_member_list[struct_level-1]));
}
char_tag : S_CHAR { $<type_enum>$ = ECPGt_char; }
/*
array_type : simple_tag symbol index {
- if ($<indexsize>3 > 0)
- fprintf(yyout, "%s %s [%ld]", ECPGtype_name($<type_enum>1), $<symbolname>2, $<indexsize>3);
+ if ($<ival>3 > 0)
+ fprintf(yyout, "%s %s [%ld]", ECPGtype_name($<type_enum>1), $2, $<ival>3);
else
- fprintf(yyout, "%s %s []", ECPGtype_name($<type_enum>1), $<symbolname>2);
+ fprintf(yyout, "%s %s []", ECPGtype_name($<type_enum>1), $2);
if (struct_level == 0)
{
- $<type>$.name = $<symbolname>2;
- $<type>$.typ = ECPGmake_array_type(ECPGmake_simple_type($<type_enum>1), $<indexsize>3);
+ $<type>$.name = $2;
+ $<type>$.typ = ECPGmake_array_type(ECPGmake_simple_type($<type_enum>1), $<ival>3);
}
else
- ECPGmake_record_member($<symbolname>2, ECPGmake_array_type(ECPGmake_simple_type($<type_enum>1), $<indexsize>3), &(record_member_list[struct_level-1]));
+ ECPGmake_record_member($2, ECPGmake_array_type(ECPGmake_simple_type($<type_enum>1), $<ival>3), &(record_member_list[struct_level-1]));
}
pointer_type : simple_tag '*' symbol {
- fprintf(yyout, "%s * %s", ECPGtype_name($<type_enum>1), $<symbolname>3);
+ fprintf(yyout, "%s * %s", ECPGtype_name($<type_enum>1), $3);
if (struct_level == 0)
{
- $<type>$.name = $<symbolname>3;
+ $<type>$.name = $3;
$<type>$.typ = ECPGmake_array_type(ECPGmake_simple_type($<type_enum>1), 0);
}
else
- ECPGmake_record_member($<symbolname>3, ECPGmake_array_type(ECPGmake_simple_type($<type_enum>1), 0), &(record_member_list[struct_level-1]));
+ ECPGmake_record_member($3, ECPGmake_array_type(ECPGmake_simple_type($<type_enum>1), 0), &(record_member_list[struct_level-1]));
}
*/
s_struct : S_STRUCT symbol {
struct_level++;
- fprintf(yyout, "struct %s {", $<symbolname>2);
+ fprintf(yyout, "struct %s {", $2);
}
struct_type : s_struct '{' variable_declarations '}' symbol {
struct_level--;
if (struct_level == 0)
{
- $<type>$.name = $<symbolname>5;
+ $<type>$.name = $5;
$<type>$.typ = ECPGmake_record_type(record_member_list[struct_level]);
}
else
- ECPGmake_record_member($<symbolname>5, ECPGmake_record_type(record_member_list[struct_level]), &(record_member_list[struct_level-1]));
- fprintf(yyout, "} %s", $<symbolname>5);
+ ECPGmake_record_member($5, ECPGmake_record_type(record_member_list[struct_level]), &(record_member_list[struct_level-1]));
+ fprintf(yyout, "} %s", $5);
record_member_list[struct_level] = NULL;
}
| S_AUTO { fwrite(yytext, yyleng, 1, yyout); }
| /* empty */ { };
-index : '[' length ']' { $<indexsize>$ = $<indexsize>2; }
- | '[' ']' { $<indexsize>$ = 0L; }
-
-length : S_LENGTH { $<indexsize>$ = atol(yytext); }
-
-sqlinclude : SQL_START SQL_INCLUDE { fprintf(yyout, "#include \""); }
- filename SQL_SEMI { fprintf(yyout, ".h\""); output_line_number(); };
+index : '[' Iconst ']' { $<ival>$ = atol($2); }
+ | '[' ']' { $<ival>$ = 0L; }
-filename : cthing
- | filename cthing;
-
-sqlconnect : SQL_START SQL_CONNECT { fprintf(yyout, "ECPGconnect("); }
- db_name
- SQL_SEMI { fprintf(yyout, ");"); whenever_action();}
+/*
+ * the exec sql connect statement: connect to the given database
+ */
+ECPGConnect : SQL_CONNECT db_name { $$ = $2; }
-db_name : SQL_STRING { fprintf(yyout, "\""); fwrite(yytext + 1, yyleng - 2, 1, yyout); fprintf(yyout, "\""); }
- | ':' symbol { /* check if we have a char variable */
- struct variable *p = find_variable($<symbolname>2);
+db_name : database_name { $$ = $1; }
+ | ':' name { /* check if we have a char variable */
+ struct variable *p = find_variable($2);
enum ECPGttype typ = p->type->typ;
/* if array see what's inside */
if (typ != ECPGt_char && typ != ECPGt_unsigned_char)
yyerror("invalid datatype");
-
- fprintf(yyout, "%s", $<symbolname>2);
+ $$ = $2;
}
-/* Open is an open cursor. Removed. */
-sqlopen : SQL_START SQL_OPEN sqlgarbage SQL_SEMI { output_line_number(); };
-
-sqlgarbage : /* Empty */
- | sqlgarbage sqlanything;
-
-
-sqltransaction : SQL_START transactionstmt SQL_SEMI {
- fprintf(yyout, "ECPGtrans(__LINE__, \"%s\");", $<symbolname>2);
- whenever_action();
-}
+/*
+ * execute a given string as sql command
+ */
+ECPGExecute : EXECUTE SQL_IMMEDIATE ':' name { $$ = $4; };
+/*
+ * open is an open cursor, at the moment this has to be removed
+ */
+ECPGOpen: SQL_OPEN name open_opts {
+ struct cursor *ptr;
-transactionstmt: transbegin
+ for (ptr = cur; ptr != NULL; ptr=ptr->next)
+ {
+ if (strcmp(ptr->name, $2) == 0)
{
- $<symbolname>$="begin";
- }
- | transend
- {
- $<symbolname>$="end";
- }
- | transabort
- {
- $<symbolname>$="abort";
+ $$ = ptr->command;
+ break;
}
+ }
-transabort: SQL_ABORT SQL_TRANSACTION | SQL_ROLLBACK SQL_WORK
- | SQL_ABORT | SQL_ROLLBACK;
-
-transend: SQL_END SQL_TRANSACTION | SQL_COMMIT | SQL_COMMIT SQL_RELEASE
- | SQL_COMMIT SQL_WORK SQL_RELEASE;
-
-transbegin: SQL_BEGIN SQL_TRANSACTION | SQL_BEGIN SQL_WORK;
-
-sqlexecute : SQL_START SQL_EXECUTE SQL_IMMEDIATE ':' symbol SQL_SEMI {
- fprintf(yyout, "ECPGdo(__LINE__, %s, ECPGt_EOIT, ECPGt_EORT );", $5);
- whenever_action();
+ if (ptr == NULL)
+ {
+ sprintf(errortext, "unknown cursor %s opened", $2);
+ yyerror(errortext);
+ }
};
-sqlwhenever : SQL_START SQL_WHENEVER SQL_SQLERROR {
- fprintf(yyout, "/* exec sql whenever sqlerror ");
-} action SQL_SEMI{
- when_error.code = $<action>5.code;
- when_error.str = $<action>5.str;
- fprintf(yyout, "; */\n");
+open_opts: /* empty */ { $$ = ""; }
+ | USING ':' name {
+ yyerror ("open cursor with variables not implemented yet");
+ }
+
+/*
+ * whenever statement: decide what to do in case of error/no dat
+ */
+ECPGWhenever: SQL_WHENEVER SQL_SQLERROR action {
+ when_error.code = $<action>3.code;
+ when_error.command = $<action>3.command;
+ $$ = make3_str("/* exec sql whenever sqlerror ", $3.str, "; */\n");
}
- | SQL_START SQL_WHENEVER SQL_NOT_FOUND {
- fprintf(yyout, "/* exec sql whenever not found ");
-} action SQL_SEMI{
- when_nf.code = $<action>5.code;
- when_nf.str=$<action>5.str;
- fprintf(yyout, "; */\n");
+ | SQL_WHENEVER NOT SQL_FOUND action {
+ when_nf.code = $<action>4.code;
+ when_nf.command = $<action>4.command;
+ $$ = make3_str("/* exec sql whenever not found ", $4.str, "; */\n");
}
action : SQL_CONTINUE {
$<action>$.code = W_NOTHING;
- $<action>$.str = NULL;
- fprintf(yyout, "continue");
+ $<action>$.command = NULL;
+ $<action>$.str = "continue";
}
| SQL_SQLPRINT {
$<action>$.code = W_SQLPRINT;
- $<action>$.str = NULL;
- fprintf(yyout, "sqlprint");
+ $<action>$.command = NULL;
+ $<action>$.str = "sqlprint";
}
| SQL_STOP {
$<action>$.code = W_STOP;
- $<action>$.str = NULL;
- fprintf(yyout, "stop");
+ $<action>$.command = NULL;
+ $<action>$.str = "stop";
}
- | SQL_GOTO label {
- $<action>$.code = W_GOTO;
- $<action>$.str = $<symbolname>2;
- fprintf(yyout, "goto %s", $<symbolname>2);
+ | SQL_GOTO name {
+
$<action>$.code = W_GOTO;
+ $<action>$.command = $2;
+ $<action>$.str = make2_str("goto ", $2);
}
- | SQL_GOTO symbol {
+ | SQL_GO TO name {
$<action>$.code = W_GOTO;
- $<action>$.str = $<symbolname>2;
- fprintf(yyout, "goto %s", $<symbolname>2);
+ $<action>$.command = $3;
+ $<action>$.str = make2_str("goto ", $3);
}
- | SQL_DO symbol '(' {
- do_str = (char *) mm_alloc(do_length = strlen($<symbolname>2) + 4);
- sprintf(do_str, "%s (", $<symbolname>2);
-} vartext ')' {
+ | DO name '(' {
+ do_str = (char *) mm_alloc(do_length = strlen($2) + 4);
+ sprintf(do_str, "%s (", $2);
+} dotext ')' {
do_str[strlen(do_str)+1]='\0';
do_str[strlen(do_str)]=')';
$<action>$.code = W_DO;
- $<action>$.str = do_str;
- fprintf(yyout, "do %s", do_str);
+ $<action>$.command = do_str;
+ $<action>$.str = make2_str("do ", do_str);
do_str = NULL;
do_length = 0;
}
-label : S_LABEL {
- char * name = (char *)malloc(yyleng + 1);
-
- strncpy(name, yytext, yyleng);
- name[yyleng] = '\0';
-
- $<symbolname>$ = name;
-}
-
-sqlfetch: SQL_START SQL_FETCH {
- reset_variables();
- fprintf(yyout, "ECPGdo(__LINE__, \"fetch in ");
-} cursor {
- fwrite(yytext, yyleng, 1, yyout);
- fwrite(" ", 1, 1, yyout);
-} SQL_INTO into_list SQL_SEMI {
- /* Dump */
- fprintf(yyout, "\", ");
- dump_variables(argsinsert);
- fprintf(yyout, "ECPGt_EOIT, ");
- dump_variables(argsresult);
- fprintf(yyout, "ECPGt_EORT );");
- whenever_action();
-}
-
-cursor: SQL_IN S_SYMBOL | S_SYMBOL;
-
-sqlstatement : SQL_START { /* Reset stack */
- reset_variables();
- fprintf(yyout, "ECPGdo(__LINE__, \"");
-} sqlcommand {
- fwrite(yytext, yyleng, 1, yyout);
- fwrite(" ", 1, 1, yyout);
-} sqlstatement_words SQL_SEMI {
- /* Dump */
- fprintf(yyout, "\", ");
- dump_variables(argsinsert);
- fprintf(yyout, "ECPGt_EOIT, ");
- dump_variables(argsresult);
- fprintf(yyout, "ECPGt_EORT );");
- whenever_action();
-}
-
-/* FIXME: instead of S_SYMBOL we should list all possible commands */
-sqlcommand : S_SYMBOL | SQL_DECLARE | SQL_VACUUM;
-
-sqlstatement_words : /* empty */
- | sqlstatement_words sqlstatement_word;
-
-sqlstatement_word : ':' symbol
- {
- add_variable(&argsinsert, find_variable($2));
- fprintf(yyout, " ;; ");
- }
- | SQL_INTO into_list SQL_FROM {
- fwrite(yytext, yyleng, 1, yyout);
- fwrite(" ", 1, 1, yyout);
- }
- | sqlanything
- {
- fwrite(yytext, yyleng, 1, yyout);
- fwrite(" ", 1, 1, yyout);
- }
- | SQL_INTO sqlanything
- {
- fprintf(yyout, " into ");
- fwrite(yytext, yyleng, 1, yyout);
- fwrite(" ", 1, 1, yyout);
- };
-
-into_list : ':' symbol {
- add_variable(&argsresult, find_variable($2));
-}
- | into_list ',' ':' symbol{
- add_variable(&argsresult, find_variable($4));
-};
+/* some other stuff for ecpg */
+
+c_expr: attr opt_indirection
+ {
+ $$ = make2_str($1, $2);
+ }
+ | row_expr
+ { $$ = $1; }
+ | AexprConst
+ { $$ = $1; }
+ | ColId
+ {
+ $$ = $1;
+ }
+ | '-' c_expr %prec UMINUS
+ { $$ = make2_str("-", $2); }
+ | a_expr '+' c_expr
+ { $$ = make3_str($1, "+", $3); }
+ | a_expr '-' c_expr
+ { $$ = make3_str($1, "-", $3); }
+ | a_expr '/' c_expr
+ { $$ = make3_str($1, "/", $3); }
+ | a_expr '*' c_expr
+ { $$ = make3_str($1, "*", $3); }
+ | a_expr '<' c_expr
+ { $$ = make3_str($1, "<", $3); }
+ | a_expr '>' c_expr
+ { $$ = make3_str($1, ">", $3); }
+ | a_expr '=' c_expr
+ { $$ = make3_str($1, "=", $3); }
+ /* | ':' c_expr
+ { $$ = make2_str(":", $2); }*/
+ | ';' c_expr
+ { $$ = make2_str(";", $2); }
+ | '|' c_expr
+ { $$ = make2_str("|", $2); }
+ | a_expr TYPECAST Typename
+ {
+ $$ = make3_str($1, "::", $3);
+ }
+ | CAST '(' a_expr AS Typename ')'
+ {
+ $$ = make3_str(cat2_str("cast(", $3), "as", cat2_str($5, ")"));
+ }
+ | '(' a_expr_or_null ')'
+ { $$ = cat3_str("(", $2, ")"); }
+ | a_expr Op c_expr
+ { $$ = make3_str($1, $2, $3); }
+ | a_expr LIKE c_expr
+ { $$ = make3_str($1, "like", $3); }
+ | a_expr NOT LIKE c_expr
+ { $$ = make3_str($1, "not like", $4); }
+ | Op c_expr
+ { $$ = make2_str($1, $2); }
+ | a_expr Op
+ { $$ = make2_str($1, $2); }
+ | func_name '(' '*' ')'
+ {
+ $$ = make2_str($1, "(*)");
+ }
+ | func_name '(' ')'
+ {
+ $$ = make2_str($1, "()");
+ }
+ | func_name '(' expr_list ')'
+ {
+ $$ = cat4_str($1, "(", $3, ")");
+ }
+ | CURRENT_DATE
+ {
+ $$ = "current_date";
+ }
+ | CURRENT_TIME
+ {
+ $$ = "current_time";
+ }
+ | CURRENT_TIME '(' Iconst ')'
+ {
+ if (atol($3) != 0)
+ fprintf(stderr,"CURRENT_TIME(%s) precision not implemented; zero used instead", $3);
+ $$ = "current_time";
+ }
+ | CURRENT_TIMESTAMP
+ {
+ $$ = "current_timestamp";
+ }
+ | CURRENT_TIMESTAMP '(' Iconst ')'
+ {
+ if (atol($3) != 0)
+ fprintf(stderr,"CURRENT_TIMESTAMP(%s) precision not implemented; zero used instead",$3);
+ $$ = "current_timestamp";
+ }
+ | CURRENT_USER
+ {
+ $$ = "current_user";
+ }
+ | EXISTS '(' SubSelect ')'
+ {
+ $$ = cat3_str("exists(", $3, ")");
+ }
+ | EXTRACT '(' extract_list ')'
+ {
+ $$ = cat3_str("extract(", $3, ")");
+ }
+ | POSITION '(' position_list ')'
+ {
+ $$ = cat3_str("position(", $3, ")");
+ }
+ | SUBSTRING '(' substr_list ')'
+ {
+ $$ = cat3_str("substring(", $3, ")");
+ }
+ /* various trim expressions are defined in SQL92 - thomas 1997-07-19 */
+ | TRIM '(' BOTH trim_list ')'
+ {
+ $$ = cat3_str("trim(both", $4, ")");
+ }
+ | TRIM '(' LEADING trim_list ')'
+ {
+ $$ = cat3_str("trim(leading", $4, ")");
+ }
+ | TRIM '(' TRAILING trim_list ')'
+ {
+ $$ = cat3_str("trim(trailing", $4, ")");
+ }
+ | TRIM '(' trim_list ')'
+ {
+ $$ = cat3_str("trim(", $3, ")");
+ }
+ | a_expr ISNULL
+ { $$ = make2_str($1, "isnull"); }
+ | a_expr IS NULL_P
+ { $$ = make2_str($1, "is null"); }
+ | a_expr NOTNULL
+ { $$ = make2_str($1, "notnull"); }
+ | a_expr IS NOT NULL_P
+ { $$ = make2_str($1, "is not null"); }
+ /* IS TRUE, IS FALSE, etc used to be function calls
+ * but let's make them expressions to allow the optimizer
+ * a chance to eliminate them if a_expr is a constant string.
+ * - thomas 1997-12-22
+ */
+ | a_expr IS TRUE_P
+ {
+ { $$ = make2_str($1, "is true"); }
+ }
+ | a_expr IS NOT FALSE_P
+ {
+ { $$ = make2_str($1, "is not false"); }
+ }
+ | a_expr IS FALSE_P
+ {
+ { $$ = make2_str($1, "is false"); }
+ }
+ | a_expr IS NOT TRUE_P
+ {
+ { $$ = make2_str($1, "is not true"); }
+ }
+ | a_expr BETWEEN b_expr AND b_expr
+ {
+ $$ = make5_str($1, "between", $3, "and", $5);
+ }
+ | a_expr NOT BETWEEN b_expr AND b_expr
+ {
+ $$ = make5_str($1, "not between", $4, "and", $6);
+ }
+ | a_expr IN '(' in_expr ')'
+ {
+ $$ = cat4_str($1, "in (", $4, ")");
+ }
+ | a_expr NOT IN '(' not_in_expr ')'
+ {
+ $$ = cat4_str($1, "not in (", $5, ")");
+ }
+ | a_expr Op '(' SubSelect ')'
+ {
+ $$ = make3_str($1, $2, cat3_str("(", $4,
+")"));
+ }
+ | a_expr '+' '(' SubSelect ')'
+ {
+ $$ = cat4_str($1, "+(", $4, ")");
+ }
+ | a_expr '-' '(' SubSelect ')'
+ {
+ $$ = cat4_str($1, "-(", $4, ")");
+ }
+ | a_expr '/' '(' SubSelect ')'
+ {
+ $$ = cat4_str($1, "/(", $4, ")");
+ }
+ | a_expr '*' '(' SubSelect ')'
+ {
+ $$ = cat4_str($1, "*(", $4, ")");
+ }
+ | a_expr '<' '(' SubSelect ')'
+ {
+ $$ = cat4_str($1, "<(", $4, ")");
+ }
+ | a_expr '>' '(' SubSelect ')'
+ {
+ $$ = cat4_str($1, ">(", $4, ")");
+ }
+ | a_expr '=' '(' SubSelect ')'
+ {
+ $$ = cat4_str($1, "=(", $4, ")");
+ }
+ | a_expr Op ANY '(' SubSelect ')'
+ {
+ $$ = make3_str($1, $2, cat3_str("any (", $5, ")"));
+ }
+ | a_expr '+' ANY '(' SubSelect ')'
+ {
+ $$ = cat4_str($1, "+any(", $5, ")");
+ }
+ | a_expr '-' ANY '(' SubSelect ')'
+ {
+ $$ = cat4_str($1, "-any(", $5, ")");
+ }
+ | a_expr '/' ANY '(' SubSelect ')'
+ {
+ $$ = cat4_str($1, "/any(", $5, ")");
+ }
+ | a_expr '*' ANY '(' SubSelect ')'
+ {
+ $$ = cat4_str($1, "*any(", $5, ")");
+ }
+ | a_expr '<' ANY '(' SubSelect ')'
+ {
+ $$ = cat4_str($1, "<any(", $5, ")");
+ }
+ | a_expr '>' ANY '(' SubSelect ')'
+ {
+ $$ = cat4_str($1, ">any(", $5, ")");
+ }
+ | a_expr '=' ANY '(' SubSelect ')'
+ {
+ $$ = cat4_str($1, "=any(", $5, ")");
+ }
+ | a_expr Op ALL '(' SubSelect ')'
+ {
+ $$ = cat3_str($1, $2, cat3_str("all (", $5, ")"));
+ }
+ | a_expr '+' ALL '(' SubSelect ')'
+ {
+ $$ = cat4_str($1, "+all(", $5, ")");
+ }
+ | a_expr '-' ALL '(' SubSelect ')'
+ {
+ $$ = cat4_str($1, "-all(", $5, ")");
+ }
+ | a_expr '/' ALL '(' SubSelect ')'
+ {
+ $$ = cat4_str($1, "/all(", $5, ")");
+ }
+ | a_expr '*' ALL '(' SubSelect ')'
+ {
+ $$ = cat4_str($1, "*all(", $5, ")");
+ }
+ | a_expr '<' ALL '(' SubSelect ')'
+ {
+ $$ = cat4_str($1, "<all(", $5, ")");
+ }
+ | a_expr '>' ALL '(' SubSelect ')'
+ {
+ $$ = cat4_str($1, ">all(", $5, ")");
+ }
+ | a_expr '=' ALL '(' SubSelect ')'
+ {
+ $$ = cat4_str($1, "=all(", $5, ")");
+ }
+ | a_expr AND c_expr
+ { $$ = make3_str($1, "and", $3); }
+ | a_expr OR c_expr
+ { $$ = make3_str($1, "or", $3); }
+ | NOT c_expr
+ { $$ = make2_str("not", $2); }
+ | civariableonly
+ { $$ = ";;"; }
+ ;
+
+into_list : coutputvariable | into_list ',' coutputvariable;
+
+ecpgstart: SQL_START { reset_variables();}
-cthing : canything {
- fwrite(yytext, yyleng, 1, yyout);
+dotext: /* empty */
+ | dotext sql_anything {
+ if (strlen(do_str) + yyleng + 1 >= do_length)
+ do_str = mm_realloc(do_str, do_length += yyleng);
+
+ strcat(do_str, yytext);
+}
+
+vartext: both_anything { fwrite(yytext, yyleng, 1, yyout); }
+ | vartext both_anything { fwrite(yytext, yyleng, 1, yyout); }
+
+coutputvariable : ':' name indicator {
+ add_variable(&argsresult, find_variable($2), ($3 == NULL) ? &no_indicator : find_variable($3));
+}
+
+cinputvariable : ':' name indicator {
+ add_variable(&argsinsert, find_variable($2), ($3 == NULL) ? &no_indicator : find_variable($3));
+}
+
+civariableonly : ':' name {
+ add_variable(&argsinsert, find_variable($2), &no_indicator);
}
-canything : both_anything
- | SQL_INTO
- | ';';
+indicator: /* empty */ { $$ = NULL; }
+ | ':' name { check_indicator((find_variable($2))->type); $$ = $2; }
+ | SQL_INDICATOR ':' name { check_indicator((find_variable($3))->type); $$ = $3; }
+ | SQL_INDICATOR name { check_indicator((find_variable($2))->type); $$ = $2; }
+
+/*
+ * C stuff
+ */
-sqlanything : both_anything;
+symbol: IDENT { $$ = $1; }
-both_anything : S_LENGTH | S_VARCHAR | S_VARCHAR2
- | S_LONG | S_SHORT | S_INT | S_CHAR | S_FLOAT | S_DOUBLE | S_BOOL
- | SQL_OPEN | SQL_CONNECT
- | SQL_STRING | SQL_CONV
- | SQL_BEGIN | SQL_END
- | SQL_DECLARE | SQL_SECTION | SQL_FETCH | SQL_FROM
- | SQL_INCLUDE | SQL_IN
- | S_SYMBOL | S_LABEL
- | S_STATIC | S_EXTERN | S_AUTO | S_CONST | S_REGISTER | S_STRUCT
- | '[' | ']' | ',' | '=' | '*' | '(' | ')'
- | S_ANYTHING;
+c_anything: both_anything { fwrite(yytext, yyleng, 1, yyout); }
+ | ';' { fputc(';', yyout); }
+
+sql_anything: IDENT {} | ICONST {} | FCONST {}
+
+both_anything: IDENT {} | ICONST {} | FCONST {}
+ | S_AUTO | S_BOOL | S_CHAR | S_CONST | S_DOUBLE | S_EXTERN | S_FLOAT
+ | S_INT | S_LONG | S_REGISTER | S_SHORT | S_SIGNED | S_STATIC
+ | S_STRUCT | S_UNSIGNED | S_VARCHAR | S_ANYTHING
+ | '[' | ']' | '(' | ')' | '='
blockstart : '{' {
braces_open++;
- fwrite(yytext, yyleng, 1, yyout);
+ fputc('{', yyout);
}
blockend : '}' {
remove_variables(braces_open--);
- fwrite(yytext, yyleng, 1, yyout);
+ fputc('}', yyout);
}
+
%%
-static void yyerror(char * error)
+void yyerror(char * error)
{
fprintf(stderr, "%s in line %d\n", error, yylineno);
exit(1);
projects / postgresql / commitdiff