Echo the actual queries generated by <command>\d</command> and other backslash
commands. You can use this to study <application>psql</application>'s
internal operations. This is equivalent to
- setting the variable <varname>ECHO_HIDDEN</varname> from within
- <application>psql</application>.
+ setting the variable <varname>ECHO_HIDDEN</varname> to <literal>on</>.
</para>
</listitem>
</varlistentry>
quietly. By default, it prints welcome messages and various
informational output. If this option is used, none of this
happens. This is useful with the <option>-c</option> option.
- Within <application>psql</application> you can also set the
- <varname>QUIET</varname> variable to achieve the same effect.
+ This is equivalent to setting the variable <varname>QUIET</varname>
+ to <literal>on</>.
</para>
</listitem>
</varlistentry>
<term><varname>ECHO_HIDDEN</varname></term>
<listitem>
<para>
- When this variable is set and a backslash command queries the
- database, the query is first shown. This way you can study the
+ When this variable is set to <literal>on</> and a backslash command
+ queries the database, the query is first shown.
+ This feature helps you to study
<productname>PostgreSQL</productname> internals and provide
similar functionality in your own programs. (To select this behavior
on program start-up, use the switch <option>-E</option>.) If you set
<term><varname>ON_ERROR_ROLLBACK</varname></term>
<listitem>
<para>
- When <literal>on</>, if a statement in a transaction block
+ When set to <literal>on</>, if a statement in a transaction block
generates an error, the error is ignored and the transaction
- continues. When <literal>interactive</>, such errors are only
+ continues. When set to <literal>interactive</>, such errors are only
ignored in interactive sessions, and not when reading script
- files. When <literal>off</> (the default), a statement in a
+ files. When unset or set to <literal>off</>, a statement in a
transaction block that generates an error aborts the entire
- transaction. The on_error_rollback-on mode works by issuing an
+ transaction. The error rollback mode works by issuing an
implicit <command>SAVEPOINT</> for you, just before each command
- that is in a transaction block, and rolls back to the savepoint
- on error.
+ that is in a transaction block, and then rolling back to the
+ savepoint if the command fails.
</para>
</listitem>
</varlistentry>
<listitem>
<para>
By default, command processing continues after an error. When this
- variable is set, it will instead stop immediately. In interactive mode,
+ variable is set to <literal>on</>, processing will instead stop
+ immediately. In interactive mode,
<application>psql</application> will return to the command prompt;
otherwise, <application>psql</application> will exit, returning
error code 3 to distinguish this case from fatal error
<term><varname>QUIET</varname></term>
<listitem>
<para>
- This variable is equivalent to the command line option
- <option>-q</option>. It is probably not too useful in
+ Setting this variable to <literal>on</> is equivalent to the command
+ line option <option>-q</option>. It is probably not too useful in
interactive mode.
</para>
</listitem>
<term><varname>SINGLELINE</varname></term>
<listitem>
<para>
- This variable is equivalent to the command line option
- <option>-S</option>.
+ Setting this variable to <literal>on</> is equivalent to the command
+ line option <option>-S</option>.
</para>
</listitem>
</varlistentry>
<term><varname>SINGLESTEP</varname></term>
<listitem>
<para>
- This variable is equivalent to the command line option
- <option>-s</option>.
+ Setting this variable to <literal>on</> is equivalent to the command
+ line option <option>-s</option>.
</para>
</listitem>
</varlistentry>
OT_NORMAL, NULL, false);
if (opt)
- pset.timing = ParseVariableBool(opt);
+ pset.timing = ParseVariableBool(opt, "\\timing");
else
pset.timing = !pset.timing;
if (!pset.quiet)
}
/* set expanded/vertical mode */
- else if (strcmp(param, "x") == 0 || strcmp(param, "expanded") == 0 || strcmp(param, "vertical") == 0)
+ else if (strcmp(param, "x") == 0 ||
+ strcmp(param, "expanded") == 0 ||
+ strcmp(param, "vertical") == 0)
{
if (value && pg_strcasecmp(value, "auto") == 0)
popt->topt.expanded = 2;
else if (value)
- popt->topt.expanded = ParseVariableBool(value);
+ popt->topt.expanded = ParseVariableBool(value, param);
else
popt->topt.expanded = !popt->topt.expanded;
if (!quiet)
else if (strcmp(param, "numericlocale") == 0)
{
if (value)
- popt->topt.numericLocale = ParseVariableBool(value);
+ popt->topt.numericLocale = ParseVariableBool(value, param);
else
popt->topt.numericLocale = !popt->topt.numericLocale;
if (!quiet)
else if (strcmp(param, "t") == 0 || strcmp(param, "tuples_only") == 0)
{
if (value)
- popt->topt.tuples_only = ParseVariableBool(value);
+ popt->topt.tuples_only = ParseVariableBool(value, param);
else
popt->topt.tuples_only = !popt->topt.tuples_only;
if (!quiet)
if (value && pg_strcasecmp(value, "always") == 0)
popt->topt.pager = 2;
else if (value)
- if (ParseVariableBool(value))
+ {
+ if (ParseVariableBool(value, param))
popt->topt.pager = 1;
else
popt->topt.pager = 0;
+ }
else if (popt->topt.pager == 1)
popt->topt.pager = 0;
else
else if (strcmp(param, "footer") == 0)
{
if (value)
- popt->topt.default_footer = ParseVariableBool(value);
+ popt->topt.default_footer = ParseVariableBool(value, param);
else
popt->topt.default_footer = !popt->topt.default_footer;
if (!quiet)
#define DEFAULT_PROMPT2 "%/%R%# "
#define DEFAULT_PROMPT3 ">> "
+/*
+ * Note: these enums should generally be chosen so that zero corresponds
+ * to the default behavior.
+ */
+
typedef enum
{
PSQL_ECHO_NONE,
PSQL_ERROR_ROLLBACK_ON
} PSQL_ERROR_ROLLBACK;
+typedef enum
+{
+ PSQL_COMP_CASE_PRESERVE_UPPER,
+ PSQL_COMP_CASE_PRESERVE_LOWER,
+ PSQL_COMP_CASE_UPPER,
+ PSQL_COMP_CASE_LOWER
+} PSQL_COMP_CASE;
+
typedef enum
{
hctl_none = 0,
PSQL_ECHO echo;
PSQL_ECHO_HIDDEN echo_hidden;
PSQL_ERROR_ROLLBACK on_error_rollback;
+ PSQL_COMP_CASE comp_case;
HistControl histcontrol;
const char *prompt1;
const char *prompt2;
static void
autocommit_hook(const char *newval)
{
- pset.autocommit = ParseVariableBool(newval);
+ pset.autocommit = ParseVariableBool(newval, "AUTOCOMMIT");
}
static void
on_error_stop_hook(const char *newval)
{
- pset.on_error_stop = ParseVariableBool(newval);
+ pset.on_error_stop = ParseVariableBool(newval, "ON_ERROR_STOP");
}
static void
quiet_hook(const char *newval)
{
- pset.quiet = ParseVariableBool(newval);
+ pset.quiet = ParseVariableBool(newval, "QUIET");
}
static void
singleline_hook(const char *newval)
{
- pset.singleline = ParseVariableBool(newval);
+ pset.singleline = ParseVariableBool(newval, "SINGLELINE");
}
static void
singlestep_hook(const char *newval)
{
- pset.singlestep = ParseVariableBool(newval);
+ pset.singlestep = ParseVariableBool(newval, "SINGLESTEP");
}
static void
{
if (newval == NULL)
pset.echo = PSQL_ECHO_NONE;
- else if (strcmp(newval, "queries") == 0)
+ else if (pg_strcasecmp(newval, "queries") == 0)
pset.echo = PSQL_ECHO_QUERIES;
- else if (strcmp(newval, "all") == 0)
+ else if (pg_strcasecmp(newval, "all") == 0)
pset.echo = PSQL_ECHO_ALL;
+ else if (pg_strcasecmp(newval, "none") == 0)
+ pset.echo = PSQL_ECHO_NONE;
else
+ {
+ psql_error("unrecognized value \"%s\" for \"%s\"; assuming \"%s\"\n",
+ newval, "ECHO", "none");
pset.echo = PSQL_ECHO_NONE;
+ }
}
static void
{
if (newval == NULL)
pset.echo_hidden = PSQL_ECHO_HIDDEN_OFF;
- else if (strcmp(newval, "noexec") == 0)
+ else if (pg_strcasecmp(newval, "noexec") == 0)
pset.echo_hidden = PSQL_ECHO_HIDDEN_NOEXEC;
- else if (pg_strcasecmp(newval, "off") == 0)
- pset.echo_hidden = PSQL_ECHO_HIDDEN_OFF;
- else
+ else if (ParseVariableBool(newval, "ECHO_HIDDEN"))
pset.echo_hidden = PSQL_ECHO_HIDDEN_ON;
+ else /* ParseVariableBool printed msg if needed */
+ pset.echo_hidden = PSQL_ECHO_HIDDEN_OFF;
}
static void
pset.on_error_rollback = PSQL_ERROR_ROLLBACK_OFF;
else if (pg_strcasecmp(newval, "interactive") == 0)
pset.on_error_rollback = PSQL_ERROR_ROLLBACK_INTERACTIVE;
- else if (pg_strcasecmp(newval, "off") == 0)
+ else if (ParseVariableBool(newval, "ON_ERROR_ROLLBACK"))
+ pset.on_error_rollback = PSQL_ERROR_ROLLBACK_ON;
+ else /* ParseVariableBool printed msg if needed */
pset.on_error_rollback = PSQL_ERROR_ROLLBACK_OFF;
+}
+
+static void
+comp_keyword_case_hook(const char *newval)
+{
+ if (newval == NULL)
+ pset.comp_case = PSQL_COMP_CASE_PRESERVE_UPPER;
+ else if (pg_strcasecmp(newval, "preserve-upper") == 0)
+ pset.comp_case = PSQL_COMP_CASE_PRESERVE_UPPER;
+ else if (pg_strcasecmp(newval, "preserve-lower") == 0)
+ pset.comp_case = PSQL_COMP_CASE_PRESERVE_LOWER;
+ else if (pg_strcasecmp(newval, "upper") == 0)
+ pset.comp_case = PSQL_COMP_CASE_UPPER;
+ else if (pg_strcasecmp(newval, "lower") == 0)
+ pset.comp_case = PSQL_COMP_CASE_LOWER;
else
- pset.on_error_rollback = PSQL_ERROR_ROLLBACK_ON;
+ {
+ psql_error("unrecognized value \"%s\" for \"%s\"; assuming \"%s\"\n",
+ newval, "COMP_KEYWORD_CASE", "preserve-upper");
+ pset.comp_case = PSQL_COMP_CASE_PRESERVE_UPPER;
+ }
}
static void
{
if (newval == NULL)
pset.histcontrol = hctl_none;
- else if (strcmp(newval, "ignorespace") == 0)
+ else if (pg_strcasecmp(newval, "ignorespace") == 0)
pset.histcontrol = hctl_ignorespace;
- else if (strcmp(newval, "ignoredups") == 0)
+ else if (pg_strcasecmp(newval, "ignoredups") == 0)
pset.histcontrol = hctl_ignoredups;
- else if (strcmp(newval, "ignoreboth") == 0)
+ else if (pg_strcasecmp(newval, "ignoreboth") == 0)
pset.histcontrol = hctl_ignoreboth;
+ else if (pg_strcasecmp(newval, "none") == 0)
+ pset.histcontrol = hctl_none;
else
+ {
+ psql_error("unrecognized value \"%s\" for \"%s\"; assuming \"%s\"\n",
+ newval, "HISTCONTROL", "none");
pset.histcontrol = hctl_none;
+ }
}
static void
{
if (newval == NULL)
pset.verbosity = PQERRORS_DEFAULT;
- else if (strcmp(newval, "default") == 0)
+ else if (pg_strcasecmp(newval, "default") == 0)
pset.verbosity = PQERRORS_DEFAULT;
- else if (strcmp(newval, "terse") == 0)
+ else if (pg_strcasecmp(newval, "terse") == 0)
pset.verbosity = PQERRORS_TERSE;
- else if (strcmp(newval, "verbose") == 0)
+ else if (pg_strcasecmp(newval, "verbose") == 0)
pset.verbosity = PQERRORS_VERBOSE;
else
+ {
+ psql_error("unrecognized value \"%s\" for \"%s\"; assuming \"%s\"\n",
+ newval, "VERBOSITY", "default");
pset.verbosity = PQERRORS_DEFAULT;
+ }
if (pset.db)
PQsetErrorVerbosity(pset.db, pset.verbosity);
SetVariableAssignHook(pset.vars, "ECHO", echo_hook);
SetVariableAssignHook(pset.vars, "ECHO_HIDDEN", echo_hidden_hook);
SetVariableAssignHook(pset.vars, "ON_ERROR_ROLLBACK", on_error_rollback_hook);
+ SetVariableAssignHook(pset.vars, "COMP_KEYWORD_CASE", comp_keyword_case_hook);
SetVariableAssignHook(pset.vars, "HISTCONTROL", histcontrol_hook);
SetVariableAssignHook(pset.vars, "PROMPT1", prompt1_hook);
SetVariableAssignHook(pset.vars, "PROMPT2", prompt2_hook);
/*
* Make a pg_strdup copy of s and convert the case according to
- * COMP_KEYWORD_CASE variable, using ref as the text that was already entered.
+ * COMP_KEYWORD_CASE setting, using ref as the text that was already entered.
*/
static char *
pg_strdup_keyword_case(const char *s, const char *ref)
char *ret,
*p;
unsigned char first = ref[0];
- int tocase;
- const char *varval;
-
- varval = GetVariable(pset.vars, "COMP_KEYWORD_CASE");
- if (!varval)
- tocase = 0;
- else if (strcmp(varval, "lower") == 0)
- tocase = -2;
- else if (strcmp(varval, "preserve-lower") == 0)
- tocase = -1;
- else if (strcmp(varval, "preserve-upper") == 0)
- tocase = +1;
- else if (strcmp(varval, "upper") == 0)
- tocase = +2;
- else
- tocase = 0;
-
- /* default */
- if (tocase == 0)
- tocase = +1;
ret = pg_strdup(s);
- if (tocase == -2
- || ((tocase == -1 || tocase == +1) && islower(first))
- || (tocase == -1 && !isalpha(first))
- )
+ if (pset.comp_case == PSQL_COMP_CASE_LOWER ||
+ ((pset.comp_case == PSQL_COMP_CASE_PRESERVE_LOWER ||
+ pset.comp_case == PSQL_COMP_CASE_PRESERVE_UPPER) && islower(first)) ||
+ (pset.comp_case == PSQL_COMP_CASE_PRESERVE_LOWER && !isalpha(first)))
+ {
for (p = ret; *p; p++)
*p = pg_tolower((unsigned char) *p);
+ }
else
+ {
for (p = ret; *p; p++)
*p = pg_toupper((unsigned char) *p);
+ }
return ret;
}
}
/*
- * Try to interpret value as boolean value. Valid values are: true,
- * false, yes, no, on, off, 1, 0; as well as unique prefixes thereof.
+ * Try to interpret "value" as boolean value.
+ *
+ * Valid values are: true, false, yes, no, on, off, 1, 0; as well as unique
+ * prefixes thereof.
+ *
+ * "name" is the name of the variable we're assigning to, to use in error
+ * report if any. Pass name == NULL to suppress the error report.
*/
bool
-ParseVariableBool(const char *value)
+ParseVariableBool(const char *value, const char *name)
{
size_t len;
else
{
/* NULL is treated as false, so a non-matching value is 'true' */
- psql_error("unrecognized Boolean value; assuming \"on\"\n");
+ if (name)
+ psql_error("unrecognized value \"%s\" for \"%s\"; assuming \"%s\"\n",
+ value, name, "on");
return true;
}
/* suppress compiler warning */
VariableSpace CreateVariableSpace(void);
const char *GetVariable(VariableSpace space, const char *name);
-bool ParseVariableBool(const char *val);
+bool ParseVariableBool(const char *value, const char *name);
int ParseVariableNum(const char *val,
int defaultval,
int faultval,
projects / postgresql / commitdiff