Add debug_query_string global variable for pgmonitor and debugging use.

src/backend/tcop/postgres.c

@@ -8,7 +8,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/tcop/postgres.c,v 1.217 2001/03/26 17:00:54 momjian Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/tcop/postgres.c,v 1.218 2001/04/14 19:11:45 momjian Exp $
  *
  * NOTES
  *	  this is the "main" module of the postgres backend and
@@ -74,6 +74,8 @@
 extern int	optind;
 extern char *optarg;
 
+char *debug_query_string;		/* used by pgmonitor */
+
 /*
  * for ps display
  */
@@ -615,6 +617,8 @@ pg_exec_query_string(char *query_string,		/* string to execute */
 	List	   *parsetree_list,
 			   *parsetree_item;
 
+	debug_query_string = query_string;	/* used by pgmonitor */
+
 	/*
 	 * Start up a transaction command.	All queries generated by the
 	 * query_string will be in this same command block, *unless* we find a
@@ -853,6 +857,8 @@ pg_exec_query_string(char *query_string,		/* string to execute */
 	 */
 	if (xact_started)
 		finish_xact_command();
+
+	debug_query_string = NULL;		/* used by pgmonitor */
 }
 
 /*
@@ -1703,7 +1709,7 @@ PostgresMain(int argc, char *argv[], int real_argc, char *real_argv[], const cha
 	if (!IsUnderPostmaster)
 	{
 		puts("\nPOSTGRES backend interactive interface ");
-		puts("$Revision: 1.217 $ $Date: 2001/03/26 17:00:54 $\n");
+		puts("$Revision: 1.218 $ $Date: 2001/04/14 19:11:45 $\n");
 	}
 
 	/*
@@ -1729,7 +1735,6 @@ PostgresMain(int argc, char *argv[], int real_argc, char *real_argv[], const cha
 
 	if (sigsetjmp(Warn_restart, 1) != 0)
 	{
-
 		/*
 		 * NOTE: if you are tempted to add more code in this if-block,
 		 * consider the probability that it should be in
@@ -1744,6 +1749,7 @@ PostgresMain(int argc, char *argv[], int real_argc, char *real_argv[], const cha
 		QueryCancelPending = false;
 		InterruptHoldoffCount = 1;
 		CritSectionCount = 0;	/* should be unnecessary, but... */
+		debug_query_string = NULL;		/* used by pgmonitor */
 
 		/*
 		 * Make sure we are in a valid memory context during recovery.