Adding upstream version 15.4.upstream/15.4upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 27 insertions, 0 deletions

diff --git a/contrib/spi/moddatetime.example b/contrib/spi/moddatetime.example
new file mode 100644
index 0000000..65af388
--- /dev/null
+++ b/contrib/spi/moddatetime.example
@@ -0,0 +1,27 @@
+DROP TABLE mdt;
+
+CREATE TABLE mdt (
+	id		int4,
+	idesc		text,
+	moddate timestamp DEFAULT CURRENT_TIMESTAMP NOT NULL
+);
+
+CREATE TRIGGER mdt_moddatetime
+	BEFORE UPDATE ON mdt
+	FOR EACH ROW
+	EXECUTE PROCEDURE moddatetime (moddate);
+
+INSERT INTO mdt VALUES (1, 'first');
+INSERT INTO mdt VALUES (2, 'second');
+INSERT INTO mdt VALUES (3, 'third');
+
+SELECT * FROM mdt;
+
+UPDATE mdt SET id = 4
+	WHERE id = 1;
+UPDATE mdt SET id = 5
+	WHERE id = 2;
+UPDATE mdt SET id = 6
+	WHERE id = 3;
+
+SELECT * FROM mdt;