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Second round of fmgr changes: triggers are now invoked in new style,

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CurrentTriggerData is history.
This commit is contained in:
Tom Lane
2000-05-29 01:59:17 +00:00
parent 147ccf5c80
commit 18952f6744
41 changed files with 666 additions and 674 deletions
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31
contrib/spi/insert_username.c
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@ -10,11 +10,12 @@
#include "commands/trigger.h" /* -"- and triggers */
#include "miscadmin.h" /* for GetPgUserName() */
HeapTuple insert_username(void);
extern Datum insert_username(PG_FUNCTION_ARGS);
HeapTuple
insert_username()
Datum
insert_username(PG_FUNCTION_ARGS)
{
TriggerData *trigdata = (TriggerData *) fcinfo->context;
Trigger *trigger; /* to get trigger name */
int nargs; /* # of arguments */
Datum newval; /* new value of column */
@ -26,24 +27,24 @@ insert_username()
int attnum;
/* sanity checks from autoinc.c */
if (!CurrentTriggerData)
elog(ERROR, "insert_username: triggers are not initialized");
if (TRIGGER_FIRED_FOR_STATEMENT(CurrentTriggerData->tg_event))
if (!CALLED_AS_TRIGGER(fcinfo))
elog(ERROR, "insert_username: not fired by trigger manager");
if (TRIGGER_FIRED_FOR_STATEMENT(trigdata->tg_event))
elog(ERROR, "insert_username: can't process STATEMENT events");
if (TRIGGER_FIRED_AFTER(CurrentTriggerData->tg_event))
if (TRIGGER_FIRED_AFTER(trigdata->tg_event))
elog(ERROR, "insert_username: must be fired before event");
if (TRIGGER_FIRED_BY_INSERT(CurrentTriggerData->tg_event))
rettuple = CurrentTriggerData->tg_trigtuple;
else if (TRIGGER_FIRED_BY_UPDATE(CurrentTriggerData->tg_event))
rettuple = CurrentTriggerData->tg_newtuple;
if (TRIGGER_FIRED_BY_INSERT(trigdata->tg_event))
rettuple = trigdata->tg_trigtuple;
else if (TRIGGER_FIRED_BY_UPDATE(trigdata->tg_event))
rettuple = trigdata->tg_newtuple;
else
elog(ERROR, "insert_username: can't process DELETE events");
rel = CurrentTriggerData->tg_relation;
rel = trigdata->tg_relation;
relname = SPI_getrelname(rel);
trigger = CurrentTriggerData->tg_trigger;
trigger = trigdata->tg_trigger;
nargs = trigger->tgnargs;
if (nargs != 1)
@ -52,8 +53,6 @@ insert_username()
args = trigger->tgargs;
tupdesc = rel->rd_att;
CurrentTriggerData = NULL;
attnum = SPI_fnumber(tupdesc, args[0]);
if (attnum < 0)
@ -73,5 +72,5 @@ insert_username()
pfree(relname);
return (rettuple);
return PointerGetDatum(rettuple);
}