diff -uwr pgpool-II-3.2.5.orig/pool_process_query.c pgpool-II-3.2.5/pool_process_query.c
--- pgpool-II-3.2.5.orig/pool_process_query.c	2013-07-16 11:36:38.000000000 -0500
+++ pgpool-II-3.2.5/pool_process_query.c	2013-07-16 11:38:44.000000000 -0500
@@ -1500,6 +1500,8 @@
 		if (select_stmt->intoClause || select_stmt->lockingClause)
 			return 0;
 
+		if (*sql == ' ') return 1; else return 0;
+
 		/* '\0' and ';' signify empty query */
 		return (*sql == 's' || *sql == 'S' || *sql == '(' ||
 				*sql == 'w' || *sql == 'W' || *sql == 't' || *sql == 'T' ||
@@ -2927,6 +2929,13 @@
 		while (*query && isspace(*query))
 			query++;
 	}
+	else
+	{
+		if (*sql == ' ')
+			return 1;
+		else
+			return 0;
+	}
 
 	/* is there "NO_LOCK" comment? */
 	if (strncasecmp(query, NO_LOCK_COMMENT, NO_LOCK_COMMENT_SZ) == 0)
Only in pgpool-II-3.2.5: pool_process_query.c~