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mirror of https://github.com/postgres/postgres.git synced 2025-07-28 23:42:10 +03:00

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

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

View File

@ -17,7 +17,7 @@
Example:
create function fti() returns opaque as
'/home/boekhold/src/postgresql-6.2/contrib/fti/fti.so' language 'c';
'/home/boekhold/src/postgresql-6.2/contrib/fti/fti.so' language 'newC';
create table title_fti (string varchar(25), id oid);
create index title_fti_idx on title_fti (string);
@ -61,11 +61,11 @@ select p.* from product p, title_fti f1, title_fti f2 where
that can build the final query automatigally?
*/
HeapTuple fti(void);
char *breakup(char *, char *);
bool is_stopword(char *);
extern Datum fti(PG_FUNCTION_ARGS);
static char *breakup(char *, char *);
static bool is_stopword(char *);
bool new_tuple = false;
static bool new_tuple = false;
/* THIS LIST MUST BE IN SORTED ORDER, A BINARY SEARCH IS USED!!!! */
@ -93,9 +93,10 @@ static int nDeletePlans = 0;
static EPlan *find_plan(char *ident, EPlan ** eplan, int *nplans);
/***********************************************************************/
HeapTuple
fti()
Datum
fti(PG_FUNCTION_ARGS)
{
TriggerData *trigdata = (TriggerData *) fcinfo->context;
Trigger *trigger; /* to get trigger name */
int nargs; /* # of arguments */
char **args; /* arguments */
@ -119,32 +120,29 @@ fti()
* function\n"); fflush(debug);
*/
if (!CurrentTriggerData)
elog(ERROR, "Full Text Indexing: triggers are not initialized");
if (TRIGGER_FIRED_FOR_STATEMENT(CurrentTriggerData->tg_event))
if (!CALLED_AS_TRIGGER(fcinfo))
elog(ERROR, "Full Text Indexing: not fired by trigger manager");
if (TRIGGER_FIRED_FOR_STATEMENT(trigdata->tg_event))
elog(ERROR, "Full Text Indexing: can't process STATEMENT events");
if (TRIGGER_FIRED_BEFORE(CurrentTriggerData->tg_event))
if (TRIGGER_FIRED_BEFORE(trigdata->tg_event))
elog(ERROR, "Full Text Indexing: must be fired AFTER event");
if (TRIGGER_FIRED_BY_INSERT(CurrentTriggerData->tg_event))
if (TRIGGER_FIRED_BY_INSERT(trigdata->tg_event))
isinsert = true;
if (TRIGGER_FIRED_BY_UPDATE(CurrentTriggerData->tg_event))
if (TRIGGER_FIRED_BY_UPDATE(trigdata->tg_event))
{
isdelete = true;
isinsert = true;
}
if (TRIGGER_FIRED_BY_DELETE(CurrentTriggerData->tg_event))
if (TRIGGER_FIRED_BY_DELETE(trigdata->tg_event))
isdelete = true;
trigger = CurrentTriggerData->tg_trigger;
rel = CurrentTriggerData->tg_relation;
trigger = trigdata->tg_trigger;
rel = trigdata->tg_relation;
relname = SPI_getrelname(rel);
rettuple = CurrentTriggerData->tg_trigtuple;
rettuple = trigdata->tg_trigtuple;
if (isdelete && isinsert) /* is an UPDATE */
rettuple = CurrentTriggerData->tg_newtuple;
CurrentTriggerData = NULL; /* invalidate 'normal' calls to this
* function */
rettuple = trigdata->tg_newtuple;
if ((ret = SPI_connect()) < 0)
elog(ERROR, "Full Text Indexing: SPI_connect failed, returned %d\n", ret);
@ -289,10 +287,10 @@ fti()
}
SPI_finish();
return (rettuple);
return PointerGetDatum(rettuple);
}
char *
static char *
breakup(char *string, char *substring)
{
static char *last_start;
@ -342,7 +340,7 @@ breakup(char *string, char *substring)
}
/* copied from src/backend/parser/keywords.c and adjusted for our situation*/
bool
static bool
is_stopword(char *text)
{
char **StopLow; /* for list of stop-words */