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Error message editing in contrib (mostly by Joe Conway --- thanks Joe!)

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This commit is contained in:
Tom Lane
2003-07-24 17:52:50 +00:00
parent f0c5384d4a
commit 8fd5b3ed67
75 changed files with 1459 additions and 658 deletions
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31
contrib/spi/moddatetime.c
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@ -34,20 +34,25 @@ moddatetime(PG_FUNCTION_ARGS)
TupleDesc tupdesc; /* tuple description */
if (!CALLED_AS_TRIGGER(fcinfo))
elog(ERROR, "moddatetime: not fired by trigger manager.");
/* internal error */
elog(ERROR, "moddatetime: not fired by trigger manager");
if (TRIGGER_FIRED_FOR_STATEMENT(trigdata->tg_event))
elog(ERROR, "moddatetime: can't process STATEMENT events.");
/* internal error */
elog(ERROR, "moddatetime: can't process STATEMENT events");
if (TRIGGER_FIRED_AFTER(trigdata->tg_event))
elog(ERROR, "moddatetime: must be fired before event.");
/* internal error */
elog(ERROR, "moddatetime: must be fired before event");
if (TRIGGER_FIRED_BY_INSERT(trigdata->tg_event))
elog(ERROR, "moddatetime: must be fired before event.");
/* internal error */
elog(ERROR, "moddatetime: must be fired before event");
else if (TRIGGER_FIRED_BY_UPDATE(trigdata->tg_event))
rettuple = trigdata->tg_newtuple;
else
elog(ERROR, "moddatetime: can't process DELETE events.");
/* internal error */
elog(ERROR, "moddatetime: can't process DELETE events");
rel = trigdata->tg_relation;
relname = SPI_getrelname(rel);
@ -57,7 +62,8 @@ moddatetime(PG_FUNCTION_ARGS)
nargs = trigger->tgnargs;
if (nargs != 1)
elog(ERROR, "moddatetime (%s): A single argument was expected.", relname);
/* internal error */
elog(ERROR, "moddatetime (%s): A single argument was expected", relname);
args = trigger->tgargs;
/* must be the field layout? */
@ -81,8 +87,10 @@ moddatetime(PG_FUNCTION_ARGS)
* even exits. The above function must return -1 if name not found?
*/
if (attnum < 0)
elog(ERROR, "moddatetime (%s): there is no attribute %s", relname,
args[0]);
ereport(ERROR,
(errcode(ERRCODE_TRIGGERED_ACTION_EXCEPTION),
errmsg("\"%s\" has no attribute \"%s\"",
relname, args[0])));
/*
* OK, this is where we make sure the timestamp field that we are
@ -90,8 +98,10 @@ moddatetime(PG_FUNCTION_ARGS)
* novel idea !-)
*/
if (SPI_gettypeid(tupdesc, attnum) != TIMESTAMPOID)
elog(ERROR, "moddatetime (%s): attribute %s must be of TIMESTAMP type",
relname, args[0]);
ereport(ERROR,
(errcode(ERRCODE_TRIGGERED_ACTION_EXCEPTION),
errmsg("attribute \"%s\" of \"%s\" must be type TIMESTAMP",
args[0], relname)));
/* 1 is the number of items in the arrays attnum and newdt.
attnum is the positional number of the field to be updated.
@ -103,6 +113,7 @@ moddatetime(PG_FUNCTION_ARGS)
rettuple = SPI_modifytuple(rel, rettuple, 1, &attnum, &newdt, NULL);
if (rettuple == NULL)
/* internal error */
elog(ERROR, "moddatetime (%s): %d returned by SPI_modifytuple",
relname, SPI_result);