summaryrefslogtreecommitdiff
path: root/src/test
diff options
context:
space:
mode:
Diffstat (limited to 'src/test')
-rw-r--r--src/test/regress/expected/triggers.out29
-rw-r--r--src/test/regress/sql/triggers.sql26
2 files changed, 55 insertions, 0 deletions
diff --git a/src/test/regress/expected/triggers.out b/src/test/regress/expected/triggers.out
index c9e8c1a141b..b4d391974d2 100644
--- a/src/test/regress/expected/triggers.out
+++ b/src/test/regress/expected/triggers.out
@@ -446,6 +446,35 @@ NOTICE: trigger_func(after_upd_a_b_row) called: action = UPDATE, when = AFTER,
NOTICE: trigger_func(after_upd_b_row) called: action = UPDATE, when = AFTER, level = ROW
NOTICE: trigger_func(after_upd_b_stmt) called: action = UPDATE, when = AFTER, level = STATEMENT
NOTICE: trigger_func(after_upd_stmt) called: action = UPDATE, when = AFTER, level = STATEMENT
+--
+-- Test case for bug with BEFORE trigger followed by AFTER trigger with WHEN
+--
+CREATE TABLE some_t (some_col boolean NOT NULL);
+CREATE FUNCTION dummy_update_func() RETURNS trigger AS $$
+BEGIN
+ RAISE NOTICE 'dummy_update_func(%) called: action = %, old = %, new = %',
+ TG_ARGV[0], TG_OP, OLD, NEW;
+ RETURN NEW;
+END;
+$$ LANGUAGE plpgsql;
+CREATE TRIGGER some_trig_before BEFORE UPDATE ON some_t FOR EACH ROW
+ EXECUTE PROCEDURE dummy_update_func('before');
+CREATE TRIGGER some_trig_aftera AFTER UPDATE ON some_t FOR EACH ROW
+ WHEN (NOT OLD.some_col AND NEW.some_col)
+ EXECUTE PROCEDURE dummy_update_func('aftera');
+CREATE TRIGGER some_trig_afterb AFTER UPDATE ON some_t FOR EACH ROW
+ WHEN (NOT NEW.some_col)
+ EXECUTE PROCEDURE dummy_update_func('afterb');
+INSERT INTO some_t VALUES (TRUE);
+UPDATE some_t SET some_col = TRUE;
+NOTICE: dummy_update_func(before) called: action = UPDATE, old = (t), new = (t)
+UPDATE some_t SET some_col = FALSE;
+NOTICE: dummy_update_func(before) called: action = UPDATE, old = (t), new = (f)
+NOTICE: dummy_update_func(afterb) called: action = UPDATE, old = (t), new = (f)
+UPDATE some_t SET some_col = TRUE;
+NOTICE: dummy_update_func(before) called: action = UPDATE, old = (f), new = (t)
+NOTICE: dummy_update_func(aftera) called: action = UPDATE, old = (f), new = (t)
+DROP TABLE some_t;
-- bogus cases
CREATE TRIGGER error_upd_and_col BEFORE UPDATE OR UPDATE OF a ON main_table
FOR EACH ROW EXECUTE PROCEDURE trigger_func('error_upd_and_col');
diff --git a/src/test/regress/sql/triggers.sql b/src/test/regress/sql/triggers.sql
index 28928d5a936..e52131dbba2 100644
--- a/src/test/regress/sql/triggers.sql
+++ b/src/test/regress/sql/triggers.sql
@@ -308,6 +308,32 @@ SELECT pg_get_triggerdef(oid) FROM pg_trigger WHERE tgrelid = 'main_table'::regc
UPDATE main_table SET a = 50;
UPDATE main_table SET b = 10;
+--
+-- Test case for bug with BEFORE trigger followed by AFTER trigger with WHEN
+--
+
+CREATE TABLE some_t (some_col boolean NOT NULL);
+CREATE FUNCTION dummy_update_func() RETURNS trigger AS $$
+BEGIN
+ RAISE NOTICE 'dummy_update_func(%) called: action = %, old = %, new = %',
+ TG_ARGV[0], TG_OP, OLD, NEW;
+ RETURN NEW;
+END;
+$$ LANGUAGE plpgsql;
+CREATE TRIGGER some_trig_before BEFORE UPDATE ON some_t FOR EACH ROW
+ EXECUTE PROCEDURE dummy_update_func('before');
+CREATE TRIGGER some_trig_aftera AFTER UPDATE ON some_t FOR EACH ROW
+ WHEN (NOT OLD.some_col AND NEW.some_col)
+ EXECUTE PROCEDURE dummy_update_func('aftera');
+CREATE TRIGGER some_trig_afterb AFTER UPDATE ON some_t FOR EACH ROW
+ WHEN (NOT NEW.some_col)
+ EXECUTE PROCEDURE dummy_update_func('afterb');
+INSERT INTO some_t VALUES (TRUE);
+UPDATE some_t SET some_col = TRUE;
+UPDATE some_t SET some_col = FALSE;
+UPDATE some_t SET some_col = TRUE;
+DROP TABLE some_t;
+
-- bogus cases
CREATE TRIGGER error_upd_and_col BEFORE UPDATE OR UPDATE OF a ON main_table
FOR EACH ROW EXECUTE PROCEDURE trigger_func('error_upd_and_col');