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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 12:17:33 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 12:17:33 +0000 |
commit | 5e45211a64149b3c659b90ff2de6fa982a5a93ed (patch) | |
tree | 739caf8c461053357daa9f162bef34516c7bf452 /contrib/lo/sql | |
parent | Initial commit. (diff) | |
download | postgresql-15-5e45211a64149b3c659b90ff2de6fa982a5a93ed.tar.xz postgresql-15-5e45211a64149b3c659b90ff2de6fa982a5a93ed.zip |
Adding upstream version 15.5.upstream/15.5
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'contrib/lo/sql')
-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; |