diff options
| -rw-r--r-- | src/pl/plpgsql/src/pl_exec.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/src/pl/plpgsql/src/pl_exec.c b/src/pl/plpgsql/src/pl_exec.c index 721b1014fdc..df82dd3dc1b 100644 --- a/src/pl/plpgsql/src/pl_exec.c +++ b/src/pl/plpgsql/src/pl_exec.c @@ -3,7 +3,7 @@ * procedural language * * IDENTIFICATION - * $PostgreSQL: pgsql/src/pl/plpgsql/src/pl_exec.c,v 1.153 2005/10/15 02:49:49 momjian Exp $ + * $PostgreSQL: pgsql/src/pl/plpgsql/src/pl_exec.c,v 1.154 2005/10/24 15:10:22 tgl Exp $ * * This software is copyrighted by Jan Wieck - Hamburg. * @@ -974,6 +974,17 @@ exec_stmts(PLpgSQL_execstate * estate, List *stmts) { ListCell *s; + if (stmts == NIL) + { + /* + * Ensure we do a CHECK_FOR_INTERRUPTS() even though there is no + * statement. This prevents hangup in a tight loop if, for instance, + * there is a LOOP construct with an empty body. + */ + CHECK_FOR_INTERRUPTS(); + return PLPGSQL_RC_OK; + } + foreach(s, stmts) { PLpgSQL_stmt *stmt = (PLpgSQL_stmt *) lfirst(s); |