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Fix GUC's reports of assign_hook failure to always include the parameter value

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we failed to assign, even in "can't happen" cases.  Motivated by wondering
what's going on in a recent trouble report where "failed to commit" did
happen.
This commit is contained in:
Tom Lane 2009-04-02 03:51:43 +00:00
parent 24a814f441
commit 248891f017
1 changed files with 23 additions and 16 deletions
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39
src/backend/utils/misc/guc.c
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@ -10,7 +10,7 @@
* Written by Peter Eisentraut <peter_e@gmx.net>. * Written by Peter Eisentraut <peter_e@gmx.net>.
* *
* IDENTIFICATION * IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/utils/misc/guc.c,v 1.497 2009/03/09 14:34:34 petere Exp $ * $PostgreSQL: pgsql/src/backend/utils/misc/guc.c,v 1.498 2009/04/02 03:51:43 tgl Exp $
* *
*-------------------------------------------------------------------- *--------------------------------------------------------------------
*/ */
@ -3578,7 +3578,8 @@ ResetAllOptions(void)
if (conf->assign_hook) if (conf->assign_hook)
if (!(*conf->assign_hook) (conf->reset_val, true, if (!(*conf->assign_hook) (conf->reset_val, true,
PGC_S_SESSION)) PGC_S_SESSION))
elog(ERROR, "failed to reset %s", conf->gen.name); elog(ERROR, "failed to reset %s to %d",
conf->gen.name, (int) conf->reset_val);
*conf->variable = conf->reset_val; *conf->variable = conf->reset_val;
break; break;
} }
@ -3589,7 +3590,8 @@ ResetAllOptions(void)
if (conf->assign_hook) if (conf->assign_hook)
if (!(*conf->assign_hook) (conf->reset_val, true, if (!(*conf->assign_hook) (conf->reset_val, true,
PGC_S_SESSION)) PGC_S_SESSION))
elog(ERROR, "failed to reset %s", conf->gen.name); elog(ERROR, "failed to reset %s to %d",
conf->gen.name, conf->reset_val);
*conf->variable = conf->reset_val; *conf->variable = conf->reset_val;
break; break;
} }
@ -3600,7 +3602,8 @@ ResetAllOptions(void)
if (conf->assign_hook) if (conf->assign_hook)
if (!(*conf->assign_hook) (conf->reset_val, true, if (!(*conf->assign_hook) (conf->reset_val, true,
PGC_S_SESSION)) PGC_S_SESSION))
elog(ERROR, "failed to reset %s", conf->gen.name); elog(ERROR, "failed to reset %s to %g",
conf->gen.name, conf->reset_val);
*conf->variable = conf->reset_val; *conf->variable = conf->reset_val;
break; break;
} }
@ -3619,7 +3622,8 @@ ResetAllOptions(void)
newstr = (*conf->assign_hook) (str, true, newstr = (*conf->assign_hook) (str, true,
PGC_S_SESSION); PGC_S_SESSION);
if (newstr == NULL) if (newstr == NULL)
elog(ERROR, "failed to reset %s", conf->gen.name); elog(ERROR, "failed to reset %s to \"%s\"",
conf->gen.name, str);
else if (newstr != str) else if (newstr != str)
{ {
/* /*
@ -3639,7 +3643,9 @@ ResetAllOptions(void)
if (conf->assign_hook) if (conf->assign_hook)
if (!(*conf->assign_hook) (conf->reset_val, true, if (!(*conf->assign_hook) (conf->reset_val, true,
PGC_S_SESSION)) PGC_S_SESSION))
elog(ERROR, "failed to reset %s", conf->gen.name); elog(ERROR, "failed to reset %s to %s",
conf->gen.name,
config_enum_lookup_by_value(conf, conf->reset_val));
*conf->variable = conf->reset_val; *conf->variable = conf->reset_val;
break; break;
} }
@ -3910,8 +3916,8 @@ AtEOXact_GUC(bool isCommit, int nestLevel)
if (conf->assign_hook) if (conf->assign_hook)
if (!(*conf->assign_hook) (newval, if (!(*conf->assign_hook) (newval,
true, PGC_S_OVERRIDE)) true, PGC_S_OVERRIDE))
elog(LOG, "failed to commit %s", elog(LOG, "failed to commit %s as %d",
conf->gen.name); conf->gen.name, (int) newval);
*conf->variable = newval; *conf->variable = newval;
changed = true; changed = true;
} }
@ -3927,8 +3933,8 @@ AtEOXact_GUC(bool isCommit, int nestLevel)
if (conf->assign_hook) if (conf->assign_hook)
if (!(*conf->assign_hook) (newval, if (!(*conf->assign_hook) (newval,
true, PGC_S_OVERRIDE)) true, PGC_S_OVERRIDE))
elog(LOG, "failed to commit %s", elog(LOG, "failed to commit %s as %d",
conf->gen.name); conf->gen.name, newval);
*conf->variable = newval; *conf->variable = newval;
changed = true; changed = true;
} }
@ -3944,8 +3950,8 @@ AtEOXact_GUC(bool isCommit, int nestLevel)
if (conf->assign_hook) if (conf->assign_hook)
if (!(*conf->assign_hook) (newval, if (!(*conf->assign_hook) (newval,
true, PGC_S_OVERRIDE)) true, PGC_S_OVERRIDE))
elog(LOG, "failed to commit %s", elog(LOG, "failed to commit %s as %g",
conf->gen.name); conf->gen.name, newval);
*conf->variable = newval; *conf->variable = newval;
changed = true; changed = true;
} }
@ -3965,8 +3971,8 @@ AtEOXact_GUC(bool isCommit, int nestLevel)
newstr = (*conf->assign_hook) (newval, true, newstr = (*conf->assign_hook) (newval, true,
PGC_S_OVERRIDE); PGC_S_OVERRIDE);
if (newstr == NULL) if (newstr == NULL)
elog(LOG, "failed to commit %s", elog(LOG, "failed to commit %s as \"%s\"",
conf->gen.name); conf->gen.name, newval);
else if (newstr != newval) else if (newstr != newval)
{ {
/* /*
@ -4004,8 +4010,9 @@ AtEOXact_GUC(bool isCommit, int nestLevel)
if (conf->assign_hook) if (conf->assign_hook)
if (!(*conf->assign_hook) (newval, if (!(*conf->assign_hook) (newval,
true, PGC_S_OVERRIDE)) true, PGC_S_OVERRIDE))
elog(LOG, "failed to commit %s", elog(LOG, "failed to commit %s as %s",
conf->gen.name); conf->gen.name,
config_enum_lookup_by_value(conf, newval));
*conf->variable = newval; *conf->variable = newval;
changed = true; changed = true;
} }