summaryrefslogtreecommitdiffstats
path: root/contrib/spi/insert_username.example
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-16 19:46:48 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-16 19:46:48 +0000
commit311bcfc6b3acdd6fd152798c7f287ddf74fa2a98 (patch)
tree0ec307299b1dada3701e42f4ca6eda57d708261e /contrib/spi/insert_username.example
parentInitial commit. (diff)
downloadpostgresql-15-311bcfc6b3acdd6fd152798c7f287ddf74fa2a98.tar.xz
postgresql-15-311bcfc6b3acdd6fd152798c7f287ddf74fa2a98.zip
Adding upstream version 15.4.upstream/15.4upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'contrib/spi/insert_username.example')
-rw-r--r--contrib/spi/insert_username.example20
1 files changed, 20 insertions, 0 deletions
diff --git a/contrib/spi/insert_username.example b/contrib/spi/insert_username.example
new file mode 100644
index 0000000..2c1eeb0
--- /dev/null
+++ b/contrib/spi/insert_username.example
@@ -0,0 +1,20 @@
+DROP TABLE username_test;
+
+CREATE TABLE username_test (
+ name text,
+ username text not null
+);
+
+CREATE TRIGGER insert_usernames
+ BEFORE INSERT OR UPDATE ON username_test
+ FOR EACH ROW
+ EXECUTE PROCEDURE insert_username (username);
+
+INSERT INTO username_test VALUES ('nothing');
+INSERT INTO username_test VALUES ('null', null);
+INSERT INTO username_test VALUES ('empty string', '');
+INSERT INTO username_test VALUES ('space', ' ');
+INSERT INTO username_test VALUES ('tab', ' ');
+INSERT INTO username_test VALUES ('name', 'name');
+
+SELECT * FROM username_test;