*
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/backend/commands/tablecmds.c,v 1.287 2009/06/11 20:46:11 tgl Exp $
+ * $PostgreSQL: pgsql/src/backend/commands/tablecmds.c,v 1.288 2009/06/18 01:27:02 tgl Exp $
*
*-------------------------------------------------------------------------
*/
if (on_insert)
{
fk_trigger->funcname = SystemFuncName("RI_FKey_check_ins");
- fk_trigger->actions[0] = 'i';
+ fk_trigger->events = TRIGGER_TYPE_INSERT;
}
else
{
fk_trigger->funcname = SystemFuncName("RI_FKey_check_upd");
- fk_trigger->actions[0] = 'u';
+ fk_trigger->events = TRIGGER_TYPE_UPDATE;
}
- fk_trigger->actions[1] = '\0';
fk_trigger->isconstraint = true;
fk_trigger->deferrable = fkconstraint->deferrable;
fk_trigger->relation = fkconstraint->pktable;
fk_trigger->before = false;
fk_trigger->row = true;
- fk_trigger->actions[0] = 'd';
- fk_trigger->actions[1] = '\0';
-
+ fk_trigger->events = TRIGGER_TYPE_DELETE;
fk_trigger->isconstraint = true;
fk_trigger->constrrel = myRel;
switch (fkconstraint->fk_del_action)
fk_trigger->relation = fkconstraint->pktable;
fk_trigger->before = false;
fk_trigger->row = true;
- fk_trigger->actions[0] = 'u';
- fk_trigger->actions[1] = '\0';
+ fk_trigger->events = TRIGGER_TYPE_UPDATE;
fk_trigger->isconstraint = true;
fk_trigger->constrrel = myRel;
switch (fkconstraint->fk_upd_action)
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/backend/commands/trigger.c,v 1.247 2009/06/11 14:48:56 momjian Exp $
+ * $PostgreSQL: pgsql/src/backend/commands/trigger.c,v 1.248 2009/06/18 01:27:02 tgl Exp $
*
*-------------------------------------------------------------------------
*/
Oid funcoid;
Oid funcrettype;
Oid trigoid;
- int i;
char constrtrigname[NAMEDATALEN];
char *trigname;
char *constrname;
TRIGGER_SETT_BEFORE(tgtype);
if (stmt->row)
TRIGGER_SETT_ROW(tgtype);
+ tgtype |= stmt->events;
- for (i = 0; stmt->actions[i]; i++)
- {
- switch (stmt->actions[i])
- {
- case 'i':
- if (TRIGGER_FOR_INSERT(tgtype))
- ereport(ERROR,
- (errcode(ERRCODE_SYNTAX_ERROR),
- errmsg("multiple INSERT events specified")));
- TRIGGER_SETT_INSERT(tgtype);
- break;
- case 'd':
- if (TRIGGER_FOR_DELETE(tgtype))
- ereport(ERROR,
- (errcode(ERRCODE_SYNTAX_ERROR),
- errmsg("multiple DELETE events specified")));
- TRIGGER_SETT_DELETE(tgtype);
- break;
- case 'u':
- if (TRIGGER_FOR_UPDATE(tgtype))
- ereport(ERROR,
- (errcode(ERRCODE_SYNTAX_ERROR),
- errmsg("multiple UPDATE events specified")));
- TRIGGER_SETT_UPDATE(tgtype);
- break;
- case 't':
- if (TRIGGER_FOR_TRUNCATE(tgtype))
- ereport(ERROR,
- (errcode(ERRCODE_SYNTAX_ERROR),
- errmsg("multiple TRUNCATE events specified")));
- TRIGGER_SETT_TRUNCATE(tgtype);
- /* Disallow ROW-level TRUNCATE triggers */
- if (stmt->row)
- ereport(ERROR,
- (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
- errmsg("TRUNCATE FOR EACH ROW triggers are not supported")));
- break;
- default:
- elog(ERROR, "unrecognized trigger event: %d",
- (int) stmt->actions[i]);
- break;
- }
- }
+ /* Disallow ROW-level TRUNCATE triggers */
+ if (TRIGGER_FOR_ROW(tgtype) && TRIGGER_FOR_TRUNCATE(tgtype))
+ ereport(ERROR,
+ (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
+ errmsg("TRUNCATE FOR EACH ROW triggers are not supported")));
/*
* Find and validate the trigger function.
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/backend/nodes/copyfuncs.c,v 1.431 2009/06/11 14:48:58 momjian Exp $
+ * $PostgreSQL: pgsql/src/backend/nodes/copyfuncs.c,v 1.432 2009/06/18 01:27:02 tgl Exp $
*
*-------------------------------------------------------------------------
*/
COPY_NODE_FIELD(args);
COPY_SCALAR_FIELD(before);
COPY_SCALAR_FIELD(row);
- strcpy(newnode->actions, from->actions); /* in-line string field */
+ COPY_SCALAR_FIELD(events);
COPY_SCALAR_FIELD(isconstraint);
COPY_SCALAR_FIELD(deferrable);
COPY_SCALAR_FIELD(initdeferred);
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/backend/nodes/equalfuncs.c,v 1.354 2009/06/11 14:48:58 momjian Exp $
+ * $PostgreSQL: pgsql/src/backend/nodes/equalfuncs.c,v 1.355 2009/06/18 01:27:02 tgl Exp $
*
*-------------------------------------------------------------------------
*/
COMPARE_NODE_FIELD(args);
COMPARE_SCALAR_FIELD(before);
COMPARE_SCALAR_FIELD(row);
- if (strcmp(a->actions, b->actions) != 0) /* in-line string field */
- return false;
+ COMPARE_SCALAR_FIELD(events);
COMPARE_SCALAR_FIELD(isconstraint);
COMPARE_SCALAR_FIELD(deferrable);
COMPARE_SCALAR_FIELD(initdeferred);
*
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/backend/parser/gram.y,v 2.664 2009/05/27 20:42:29 tgl Exp $
+ * $PostgreSQL: pgsql/src/backend/parser/gram.y,v 2.665 2009/06/18 01:27:02 tgl Exp $
*
* HISTORY
* AUTHOR DATE MAJOR EVENT
#include "catalog/index.h"
#include "catalog/namespace.h"
+#include "catalog/pg_trigger.h"
#include "commands/defrem.h"
#include "nodes/makefuncs.h"
#include "nodes/nodeFuncs.h"
%type <boolean> TriggerActionTime TriggerForSpec opt_trusted opt_restart_seqs
%type <str> opt_lancompiler
-%type <str> TriggerEvents
+%type <ival> TriggerEvents TriggerOneEvent
%type <value> TriggerFuncArg
%type <str> relation_name copy_file_name
%type <privtarget> privilege_target
%type <funwithargs> function_with_argtypes
%type <list> function_with_argtypes_list
-%type <chr> TriggerOneEvent
%type <list> stmtblock stmtmulti
OptTableElementList TableElementList OptInherit definition
n->args = $13;
n->before = $4;
n->row = $8;
- memcpy(n->actions, $5, 4);
+ n->events = $5;
n->isconstraint = FALSE;
n->deferrable = FALSE;
n->initdeferred = FALSE;
n->args = $18;
n->before = FALSE;
n->row = TRUE;
- memcpy(n->actions, $6, 4);
+ n->events = $6;
n->isconstraint = TRUE;
n->deferrable = ($10 & 1) != 0;
n->initdeferred = ($10 & 2) != 0;
-
n->constrrel = $9;
$$ = (Node *)n;
}
TriggerEvents:
TriggerOneEvent
+ { $$ = $1; }
+ | TriggerEvents OR TriggerOneEvent
{
- char *e = palloc(4);
- e[0] = $1; e[1] = '\0';
- $$ = e;
- }
- | TriggerOneEvent OR TriggerOneEvent
- {
- char *e = palloc(4);
- e[0] = $1; e[1] = $3; e[2] = '\0';
- $$ = e;
- }
- | TriggerOneEvent OR TriggerOneEvent OR TriggerOneEvent
- {
- char *e = palloc(4);
- e[0] = $1; e[1] = $3; e[2] = $5; e[3] = '\0';
- $$ = e;
+ if ($1 & $3)
+ yyerror("duplicate trigger events specified");
+ $$ = $1 | $3;
}
;
TriggerOneEvent:
- INSERT { $$ = 'i'; }
- | DELETE_P { $$ = 'd'; }
- | UPDATE { $$ = 'u'; }
- | TRUNCATE { $$ = 't'; }
+ INSERT { $$ = TRIGGER_TYPE_INSERT; }
+ | DELETE_P { $$ = TRIGGER_TYPE_DELETE; }
+ | UPDATE { $$ = TRIGGER_TYPE_UPDATE; }
+ | TRUNCATE { $$ = TRIGGER_TYPE_TRUNCATE; }
;
TriggerForSpec:
* Portions Copyright (c) 1996-2009, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $PostgreSQL: pgsql/src/include/nodes/parsenodes.h,v 1.394 2009/06/11 14:49:11 momjian Exp $
+ * $PostgreSQL: pgsql/src/include/nodes/parsenodes.h,v 1.395 2009/06/18 01:27:02 tgl Exp $
*
*-------------------------------------------------------------------------
*/
List *args; /* list of (T_String) Values or NIL */
bool before; /* BEFORE/AFTER */
bool row; /* ROW/STATEMENT */
- char actions[4]; /* 1 to 3 of 'i', 'u', 'd', + trailing \0 */
+ /* events uses the TRIGGER_TYPE bits defined in catalog/pg_trigger.h */
+ int16 events; /* INSERT/UPDATE/DELETE/TRUNCATE */
/* The following are used for referential */
/* integrity constraint triggers */
projects / postgresql.git / commitdiff