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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 12:19:15 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 12:19:15 +0000
commit6eb9c5a5657d1fe77b55cc261450f3538d35a94d (patch)
tree657d8194422a5daccecfd42d654b8a245ef7b4c8 /contrib/spi/moddatetime.example
parentInitial commit. (diff)
downloadpostgresql-13-6eb9c5a5657d1fe77b55cc261450f3538d35a94d.tar.xz
postgresql-13-6eb9c5a5657d1fe77b55cc261450f3538d35a94d.zip
Adding upstream version 13.4.upstream/13.4upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--contrib/spi/moddatetime.example27
1 files changed, 27 insertions, 0 deletions
diff --git a/contrib/spi/moddatetime.example b/contrib/spi/moddatetime.example
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--- /dev/null
+++ b/contrib/spi/moddatetime.example
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+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;