This is part #1 for of the DEFERRED CONSTRAINT TRIGGER support.

Implements the CREATE CONSTRAINT TRIGGER and SET CONSTRAINTS commands.

TODO:
    Generic builtin trigger procedures
    Automatic execution of appropriate CREATE CONSTRAINT... at CREATE TABLE
    Support of new trigger type in pg_dump
    Swapping of huge # of events to disk

Jan

1 files changed, 16 insertions, 2 deletions

diff --git a/src/backend/tcop/postgres.c b/src/backend/tcop/postgres.c
index 4947b291375..2a3e7e77300 100644
--- a/src/backend/tcop/postgres.c
+++ b/src/backend/tcop/postgres.c
@@ -7,7 +7,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/tcop/postgres.c,v 1.129 1999/09/24 00:24:52 tgl Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/tcop/postgres.c,v 1.130 1999/09/29 16:06:10 wieck Exp $
  *
  * NOTES
  *	  this is the "main" module of the postgres backend and
@@ -44,6 +44,7 @@
 #endif
 
 #include "commands/async.h"
+#include "commands/trigger.h"
 #include "libpq/libpq.h"
 #include "libpq/pqformat.h"
 #include "libpq/pqsignal.h"
@@ -1484,10 +1485,17 @@ PostgresMain(int argc, char *argv[], int real_argc, char *real_argv[])
 	if (!IsUnderPostmaster)
 	{
 		puts("\nPOSTGRES backend interactive interface ");
-		puts("$Revision: 1.129 $ $Date: 1999/09/24 00:24:52 $\n");
+		puts("$Revision: 1.130 $ $Date: 1999/09/29 16:06:10 $\n");
 	}
 
 	/* ----------------
+	 * Initialize the deferred trigger manager
+	 * ----------------
+	 */
+	if (DeferredTriggerInit() != 0)
+		ExitPostgres(1);
+
+	/* ----------------
 	 *	POSTGRES main processing loop begins here
 	 *
 	 *	if an exception is encountered, processing resumes here
@@ -1609,6 +1617,12 @@ PostgresMain(int argc, char *argv[], int real_argc, char *real_argv[])
 
 					pg_exec_query(parser_input->data);
 
+					/*
+					 * Invoke IMMEDIATE constraint triggers
+					 *
+					 */
+					DeferredTriggerEndQuery();
+
 					if (ShowStats)
 						ShowUsage();
 				}