/*
* psql - the PostgreSQL interactive terminal
*
- * Copyright (c) 2000-2010, PostgreSQL Global Development Group
+ * Copyright (c) 2000-2011, PostgreSQL Global Development Group
*
- * $PostgreSQL: pgsql/src/bin/psql/command.c,v 1.222 2010/07/20 03:54:19 rhaas Exp $
+ * src/bin/psql/command.c
*/
#include "postgres_fe.h"
#include "command.h"
PsqlScanState scan_state,
PQExpBuffer query_buf);
static bool do_edit(const char *filename_arg, PQExpBuffer query_buf,
- bool *edited);
+ int lineno, bool *edited);
static bool do_connect(char *dbname, char *user, char *host, char *port);
static bool do_shell(const char *command);
static bool lookup_function_oid(PGconn *conn, const char *desc, Oid *foid);
static bool get_create_function_cmd(PGconn *conn, Oid oid, PQExpBuffer buf);
+static int strip_lineno_from_funcdesc(char *func);
static void minimal_error_message(PGresult *res);
static void printSSLInfo(void);
free(opt);
}
- /* \conninfo -- display information about the current connection */
+ /* \conninfo -- display information about the current connection */
else if (strcmp(cmd, "conninfo") == 0)
{
char *db = PQdb(pset.db);
char *host = PQhost(pset.db);
- if (!db)
- printf("You are not connected.\n");
- else if (host)
- printf("You are connected to database \"%s\" on host \"%s\" at port \"%s\" as user \"%s\".\n",
- db, host, PQport(pset.db), PQuser(pset.db));
+ if (db == NULL)
+ printf(_("You are currently not connected to a database.\n"));
else
- printf("You are connected to database \"%s\" via local socket as user \"%s\".\n",
- db, PQuser(pset.db));
+ {
+ if (host == NULL)
+ host = DEFAULT_PGSOCKET_DIR;
+ /* If the host is an absolute path, the connection is via socket */
+ if (is_absolute_path(host))
+ printf(_("You are connected to database \"%s\" as user \"%s\" via socket in \"%s\" at port \"%s\".\n"),
+ db, PQuser(pset.db), host, PQport(pset.db));
+ else
+ printf(_("You are connected to database \"%s\" as user \"%s\" on host \"%s\" at port \"%s\".\n"),
+ db, PQuser(pset.db), host, PQport(pset.db));
+ }
}
/* \copy */
success = describeTableDetails(pattern, show_verbose, show_system);
else
/* standard listing of interesting things */
- success = listTables("tvs", NULL, show_verbose, show_system);
+ success = listTables("tvsE", NULL, show_verbose, show_system);
break;
case 'a':
success = describeAggregates(pattern, show_verbose, show_system);
case 'l':
success = do_lo_list();
break;
+ case 'L':
+ success = listLanguages(pattern, show_verbose, show_system);
+ break;
case 'n':
- success = listSchemas(pattern, show_verbose);
+ success = listSchemas(pattern, show_verbose, show_system);
break;
case 'o':
success = describeOperators(pattern, show_system);
break;
+ case 'O':
+ success = listCollations(pattern, show_verbose, show_system);
+ break;
case 'p':
success = permissionsList(pattern);
break;
case 'v':
case 'i':
case 's':
+ case 'E':
success = listTables(&cmd[1], pattern, show_verbose, show_system);
break;
case 'r':
case 'w':
success = listForeignDataWrappers(pattern, show_verbose);
break;
+ case 't':
+ success = listForeignTables(pattern, show_verbose);
+ break;
default:
status = PSQL_CMD_UNKNOWN;
break;
}
break;
+ case 'x': /* Extensions */
+ if (show_verbose)
+ success = listExtensionContents(pattern);
+ else
+ success = listExtensions(pattern);
+ break;
default:
status = PSQL_CMD_UNKNOWN;
}
/*
- * \e or \edit -- edit the current query buffer (or a file and make it the
- * query buffer
+ * \e or \edit -- edit the current query buffer, or edit a file and make
+ * it the query buffer
*/
else if (strcmp(cmd, "e") == 0 || strcmp(cmd, "edit") == 0)
{
else
{
char *fname;
+ char *ln = NULL;
+ int lineno = -1;
fname = psql_scan_slash_option(scan_state,
OT_NORMAL, NULL, true);
- expand_tilde(&fname);
if (fname)
- canonicalize_path(fname);
- if (do_edit(fname, query_buf, NULL))
- status = PSQL_CMD_NEWEDIT;
- else
- status = PSQL_CMD_ERROR;
- free(fname);
+ {
+ /* try to get separate lineno arg */
+ ln = psql_scan_slash_option(scan_state,
+ OT_NORMAL, NULL, true);
+ if (ln == NULL)
+ {
+ /* only one arg; maybe it is lineno not fname */
+ if (fname[0] &&
+ strspn(fname, "0123456789") == strlen(fname))
+ {
+ /* all digits, so assume it is lineno */
+ ln = fname;
+ fname = NULL;
+ }
+ }
+ }
+ if (ln)
+ {
+ lineno = atoi(ln);
+ if (lineno < 1)
+ {
+ psql_error("invalid line number: %s\n", ln);
+ status = PSQL_CMD_ERROR;
+ }
+ }
+ if (status != PSQL_CMD_ERROR)
+ {
+ expand_tilde(&fname);
+ if (fname)
+ canonicalize_path(fname);
+ if (do_edit(fname, query_buf, lineno, NULL))
+ status = PSQL_CMD_NEWEDIT;
+ else
+ status = PSQL_CMD_ERROR;
+ }
+ if (fname)
+ free(fname);
+ if (ln)
+ free(ln);
}
}
*/
else if (strcmp(cmd, "ef") == 0)
{
+ int lineno = -1;
+
if (!query_buf)
{
psql_error("no query buffer\n");
func = psql_scan_slash_option(scan_state,
OT_WHOLE_LINE, NULL, true);
- if (!func)
+ lineno = strip_lineno_from_funcdesc(func);
+ if (lineno == 0)
+ {
+ /* error already reported */
+ status = PSQL_CMD_ERROR;
+ }
+ else if (!func)
{
/* set up an empty command to fill in */
printfPQExpBuffer(query_buf,
/* error already reported */
status = PSQL_CMD_ERROR;
}
+ else if (lineno > 0)
+ {
+ /*
+ * lineno "1" should correspond to the first line of the
+ * function body. We expect that pg_get_functiondef() will
+ * emit that on a line beginning with "AS ", and that there
+ * can be no such line before the real start of the function
+ * body. Increment lineno by the number of lines before that
+ * line, so that it becomes relative to the first line of the
+ * function definition.
+ */
+ const char *lines = query_buf->data;
+
+ while (*lines != '\0')
+ {
+ if (strncmp(lines, "AS ", 3) == 0)
+ break;
+ lineno++;
+ /* find start of next line */
+ lines = strchr(lines, '\n');
+ if (!lines)
+ break;
+ lines++;
+ }
+ }
+
if (func)
free(func);
}
{
bool edited = false;
- if (!do_edit(0, query_buf, &edited))
+ if (!do_edit(NULL, query_buf, lineno, &edited))
status = PSQL_CMD_ERROR;
else if (!edited)
puts(_("No changes"));
}
- /* \i is include file */
- else if (strcmp(cmd, "i") == 0 || strcmp(cmd, "include") == 0)
+ /* \i and \ir include files */
+ else if (strcmp(cmd, "i") == 0 || strcmp(cmd, "include") == 0
+ || strcmp(cmd, "ir") == 0 || strcmp(cmd, "include_relative") == 0)
{
char *fname = psql_scan_slash_option(scan_state,
OT_NORMAL, NULL, true);
}
else
{
+ bool include_relative;
+
+ include_relative = (strcmp(cmd, "ir") == 0
+ || strcmp(cmd, "include_relative") == 0);
expand_tilde(&fname);
- success = (process_file(fname, false) == EXIT_SUCCESS);
+ success = (process_file(fname, false, include_relative) == EXIT_SUCCESS);
free(fname);
}
}
free(opt0);
}
+ /* \sf -- show a function's source code */
+ else if (strcmp(cmd, "sf") == 0 || strcmp(cmd, "sf+") == 0)
+ {
+ bool show_linenumbers = (strcmp(cmd, "sf+") == 0);
+ PQExpBuffer func_buf;
+ char *func;
+ Oid foid = InvalidOid;
+
+ func_buf = createPQExpBuffer();
+ func = psql_scan_slash_option(scan_state,
+ OT_WHOLE_LINE, NULL, true);
+ if (!func)
+ {
+ psql_error("function name is required\n");
+ status = PSQL_CMD_ERROR;
+ }
+ else if (!lookup_function_oid(pset.db, func, &foid))
+ {
+ /* error already reported */
+ status = PSQL_CMD_ERROR;
+ }
+ else if (!get_create_function_cmd(pset.db, foid, func_buf))
+ {
+ /* error already reported */
+ status = PSQL_CMD_ERROR;
+ }
+ else
+ {
+ FILE *output;
+ bool is_pager;
+
+ /* Select output stream: stdout, pager, or file */
+ if (pset.queryFout == stdout)
+ {
+ /* count lines in function to see if pager is needed */
+ int lineno = 0;
+ const char *lines = func_buf->data;
+
+ while (*lines != '\0')
+ {
+ lineno++;
+ /* find start of next line */
+ lines = strchr(lines, '\n');
+ if (!lines)
+ break;
+ lines++;
+ }
+
+ output = PageOutput(lineno, pset.popt.topt.pager);
+ is_pager = true;
+ }
+ else
+ {
+ /* use previously set output file, without pager */
+ output = pset.queryFout;
+ is_pager = false;
+ }
+
+ if (show_linenumbers)
+ {
+ bool in_header = true;
+ int lineno = 0;
+ char *lines = func_buf->data;
+
+ /*
+ * lineno "1" should correspond to the first line of the
+ * function body. We expect that pg_get_functiondef() will
+ * emit that on a line beginning with "AS ", and that there
+ * can be no such line before the real start of the function
+ * body.
+ *
+ * Note that this loop scribbles on func_buf.
+ */
+ while (*lines != '\0')
+ {
+ char *eol;
+
+ if (in_header && strncmp(lines, "AS ", 3) == 0)
+ in_header = false;
+ /* increment lineno only for body's lines */
+ if (!in_header)
+ lineno++;
+
+ /* find and mark end of current line */
+ eol = strchr(lines, '\n');
+ if (eol != NULL)
+ *eol = '\0';
+
+ /* show current line as appropriate */
+ if (in_header)
+ fprintf(output, " %s\n", lines);
+ else
+ fprintf(output, "%-7d %s\n", lineno, lines);
+
+ /* advance to next line, if any */
+ if (eol == NULL)
+ break;
+ lines = ++eol;
+ }
+ }
+ else
+ {
+ /* just send the function definition to output */
+ fputs(func_buf->data, output);
+ }
+
+ if (is_pager)
+ ClosePager(output);
+ }
+
+ if (func)
+ free(func);
+ destroyPQExpBuffer(func_buf);
+ }
+
/* \t -- turn off headers and row count */
else if (strcmp(cmd, "t") == 0)
{
free(opt);
}
-
/* \T -- define html <table ...> attributes */
else if (strcmp(cmd, "T") == 0)
{
while (true)
{
-#define PARAMS_ARRAY_SIZE 7
+#define PARAMS_ARRAY_SIZE 8
const char **keywords = pg_malloc(PARAMS_ARRAY_SIZE * sizeof(*keywords));
const char **values = pg_malloc(PARAMS_ARRAY_SIZE * sizeof(*values));
values[4] = dbname;
keywords[5] = "fallback_application_name";
values[5] = pset.progname;
- keywords[6] = NULL;
- values[6] = NULL;
+ keywords[6] = "client_encoding";
+ values[6] = (pset.notty || getenv("PGCLIENTENCODING")) ? NULL : "auto";
+ keywords[7] = NULL;
+ values[7] = NULL;
n_conn = PQconnectdbParams(keywords, values, true);
/* Tell the user about the new connection */
if (!pset.quiet)
{
- printf(_("You are now connected to database \"%s\""), PQdb(pset.db));
-
- if (param_is_newly_set(PQhost(o_conn), PQhost(pset.db)))
- printf(_(" on host \"%s\""), PQhost(pset.db));
-
- if (param_is_newly_set(PQport(o_conn), PQport(pset.db)))
- printf(_(" at port \"%s\""), PQport(pset.db));
-
- if (param_is_newly_set(PQuser(o_conn), PQuser(pset.db)))
- printf(_(" as user \"%s\""), PQuser(pset.db));
-
- printf(".\n");
+ if (param_is_newly_set(PQhost(o_conn), PQhost(pset.db)) ||
+ param_is_newly_set(PQport(o_conn), PQport(pset.db)))
+ {
+ char *host = PQhost(pset.db);
+
+ if (host == NULL)
+ host = DEFAULT_PGSOCKET_DIR;
+ /* If the host is an absolute path, the connection is via socket */
+ if (is_absolute_path(host))
+ printf(_("You are now connected to database \"%s\" as user \"%s\" via socket in \"%s\" at port \"%s\".\n"),
+ PQdb(pset.db), PQuser(pset.db), host, PQport(pset.db));
+ else
+ printf(_("You are now connected to database \"%s\" as user \"%s\" on host \"%s\" at port \"%s\".\n"),
+ PQdb(pset.db), PQuser(pset.db), host, PQport(pset.db));
+ }
+ else
+ printf(_("You are now connected to database \"%s\" as user \"%s\".\n"),
+ PQdb(pset.db), PQuser(pset.db));
}
if (o_conn)
return; /* no SSL */
SSL_get_cipher_bits(ssl, &sslbits);
- printf(_("SSL connection (cipher: %s, bits: %i)\n"),
+ printf(_("SSL connection (cipher: %s, bits: %d)\n"),
SSL_get_cipher(ssl), sslbits);
#else
* If you do not specify a filename, the current query buffer will be copied
* into a temporary one.
*/
-
static bool
-editFile(const char *fname)
+editFile(const char *fname, int lineno)
{
const char *editorName;
+ const char *editor_lineno_arg = NULL;
char *sys;
int result;
if (!editorName)
editorName = DEFAULT_EDITOR;
+ /* Get line number argument, if we need it. */
+ if (lineno > 0)
+ {
+ editor_lineno_arg = getenv("PSQL_EDITOR_LINENUMBER_ARG");
+#ifdef DEFAULT_EDITOR_LINENUMBER_ARG
+ if (!editor_lineno_arg)
+ editor_lineno_arg = DEFAULT_EDITOR_LINENUMBER_ARG;
+#endif
+ if (!editor_lineno_arg)
+ {
+ psql_error("environment variable PSQL_EDITOR_LINENUMBER_ARG must be set to specify a line number\n");
+ return false;
+ }
+ }
+
+ /* Allocate sufficient memory for command line. */
+ if (lineno > 0)
+ sys = pg_malloc(strlen(editorName)
+ + strlen(editor_lineno_arg) + 10 /* for integer */
+ + 1 + strlen(fname) + 10 + 1);
+ else
+ sys = pg_malloc(strlen(editorName) + strlen(fname) + 10 + 1);
+
/*
* On Unix the EDITOR value should *not* be quoted, since it might include
* switches, eg, EDITOR="pico -t"; it's up to the user to put quotes in it
* severe brain damage in their command shell plus the fact that standard
* program paths include spaces.
*/
- sys = pg_malloc(strlen(editorName) + strlen(fname) + 10 + 1);
#ifndef WIN32
- sprintf(sys, "exec %s '%s'", editorName, fname);
+ if (lineno > 0)
+ sprintf(sys, "exec %s %s%d '%s'",
+ editorName, editor_lineno_arg, lineno, fname);
+ else
+ sprintf(sys, "exec %s '%s'",
+ editorName, fname);
#else
- sprintf(sys, SYSTEMQUOTE "\"%s\" \"%s\"" SYSTEMQUOTE, editorName, fname);
+ if (lineno > 0)
+ sprintf(sys, SYSTEMQUOTE "\"%s\" %s%d \"%s\"" SYSTEMQUOTE,
+ editorName, editor_lineno_arg, lineno, fname);
+ else
+ sprintf(sys, SYSTEMQUOTE "\"%s\" \"%s\"" SYSTEMQUOTE,
+ editorName, fname);
#endif
result = system(sys);
if (result == -1)
/* call this one */
static bool
-do_edit(const char *filename_arg, PQExpBuffer query_buf, bool *edited)
+do_edit(const char *filename_arg, PQExpBuffer query_buf,
+ int lineno, bool *edited)
{
char fnametmp[MAXPGPATH];
FILE *stream = NULL;
ret = GetTempPath(MAXPGPATH, tmpdir);
if (ret == 0 || ret > MAXPGPATH)
{
- psql_error("cannot locate temporary directory: %s",
+ psql_error("could not locate temporary directory: %s\n",
!ret ? strerror(errno) : "");
return false;
}
/* call editor */
if (!error)
- error = !editFile(fname);
+ error = !editFile(fname, lineno);
if (!error && stat(fname, &after) != 0)
{
* process_file
*
* Read commands from filename and then them to the main processing loop
- * Handler for \i, but can be used for other things as well. Returns
+ * Handler for \i and \ir, but can be used for other things as well. Returns
* MainLoop() error code.
+ *
+ * If use_relative_path is true and filename is not an absolute path, then open
+ * the file from where the currently processed file (if any) is located.
*/
int
-process_file(char *filename, bool single_txn)
+process_file(char *filename, bool single_txn, bool use_relative_path)
{
FILE *fd;
int result;
char *oldfilename;
+ char relpath[MAXPGPATH];
PGresult *res;
if (!filename)
if (strcmp(filename, "-") != 0)
{
canonicalize_path(filename);
+
+ /*
+ * If we were asked to resolve the pathname relative to the location
+ * of the currently executing script, and there is one, and this is
+ * a relative pathname, then prepend all but the last pathname
+ * component of the current script to this pathname.
+ */
+ if (use_relative_path && pset.inputfile && !is_absolute_path(filename)
+ && !has_drive_prefix(filename))
+ {
+ snprintf(relpath, MAXPGPATH, "%s", pset.inputfile);
+ get_parent_directory(relpath);
+ join_path_components(relpath, relpath, filename);
+ canonicalize_path(relpath);
+
+ filename = relpath;
+ }
+
fd = fopen(filename, PG_BINARY_R);
}
else
if ((res = PSQLexec("BEGIN", false)) == NULL)
{
if (pset.on_error_stop)
- return EXIT_USER;
+ {
+ result = EXIT_USER;
+ goto error;
+ }
}
else
PQclear(res);
if ((res = PSQLexec("COMMIT", false)) == NULL)
{
if (pset.on_error_stop)
- return EXIT_USER;
+ {
+ result = EXIT_USER;
+ goto error;
+ }
}
else
PQclear(res);
}
- fclose(fd);
+error:
+ if (fd != stdin)
+ fclose(fd);
+
pset.inputfile = oldfilename;
return result;
}
return result;
}
+/*
+ * If the given argument of \ef ends with a line number, delete the line
+ * number from the argument string and return it as an integer. (We need
+ * this kluge because we're too lazy to parse \ef's function name argument
+ * carefully --- we just slop it up in OT_WHOLE_LINE mode.)
+ *
+ * Returns -1 if no line number is present, 0 on error, or a positive value
+ * on success.
+ */
+static int
+strip_lineno_from_funcdesc(char *func)
+{
+ char *c;
+ int lineno;
+
+ if (!func || func[0] == '\0')
+ return -1;
+
+ c = func + strlen(func) - 1;
+
+ /*
+ * This business of parsing backwards is dangerous as can be in a
+ * multibyte environment: there is no reason to believe that we are
+ * looking at the first byte of a character, nor are we necessarily
+ * working in a "safe" encoding. Fortunately the bitpatterns we are
+ * looking for are unlikely to occur as non-first bytes, but beware of
+ * trying to expand the set of cases that can be recognized. We must
+ * guard the <ctype.h> macros by using isascii() first, too.
+ */
+
+ /* skip trailing whitespace */
+ while (c > func && isascii((unsigned char) *c) && isspace((unsigned char) *c))
+ c--;
+
+ /* must have a digit as last non-space char */
+ if (c == func || !isascii((unsigned char) *c) || !isdigit((unsigned char) *c))
+ return -1;
+
+ /* find start of digit string */
+ while (c > func && isascii((unsigned char) *c) && isdigit((unsigned char) *c))
+ c--;
+
+ /* digits must be separated from func name by space or closing paren */
+ /* notice also that we are not allowing an empty func name ... */
+ if (c == func || !isascii((unsigned char) *c) ||
+ !(isspace((unsigned char) *c) || *c == ')'))
+ return -1;
+
+ /* parse digit string */
+ c++;
+ lineno = atoi(c);
+ if (lineno < 1)
+ {
+ psql_error("invalid line number: %s\n", c);
+ return 0;
+ }
+
+ /* strip digit string from func */
+ *c = '\0';
+
+ return lineno;
+}
+
/*
* Report just the primary error; this is to avoid cluttering the output
* with, for instance, a redisplay of the internally generated query
projects / postgresql / blobdiff