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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 12:19:15 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 12:19:15 +0000 |
commit | 6eb9c5a5657d1fe77b55cc261450f3538d35a94d (patch) | |
tree | 657d8194422a5daccecfd42d654b8a245ef7b4c8 /contrib/lo/sql | |
parent | Initial commit. (diff) | |
download | postgresql-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/lo/sql/lo.sql | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/contrib/lo/sql/lo.sql b/contrib/lo/sql/lo.sql new file mode 100644 index 0000000..7703950 --- /dev/null +++ b/contrib/lo/sql/lo.sql @@ -0,0 +1,30 @@ +CREATE EXTENSION lo; + +CREATE TABLE image (title text, raster lo); + +CREATE TRIGGER t_raster BEFORE UPDATE OR DELETE ON image + FOR EACH ROW EXECUTE PROCEDURE lo_manage(raster); + +SELECT lo_create(43213); +SELECT lo_create(43214); + +INSERT INTO image (title, raster) VALUES ('beautiful image', 43213); + +SELECT lo_get(43213); +SELECT lo_get(43214); + +UPDATE image SET raster = 43214 WHERE title = 'beautiful image'; + +SELECT lo_get(43213); +SELECT lo_get(43214); + +-- test updating of unrelated column +UPDATE image SET title = 'beautiful picture' WHERE title = 'beautiful image'; + +SELECT lo_get(43214); + +DELETE FROM image; + +SELECT lo_get(43214); + +DROP TABLE image; |