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Results tagged with postgresql
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user 129816
All versions of PostgreSQL. Add an additional version-specific tag like [postgresql-13] if that context is relevant.
1
vote
2
answers
2k
views
postgres update parent if entity / foreign key updates
I have a table recipes and every recipe can have multiple entries.
CREATE TABLE IF NOT EXISTS "recipes" (
"ident" SERIAL PRIMARY KEY,
"identifier" TEXT NOT NULL UNIQUE,
"modified_on" TIME …
- 285
1
vote
Accepted
postgres update parent if entity / foreign key updates
Here is my solution.
CREATE OR REPLACE FUNCTION update_recipe_timestamp_from_entry_proc()
RETURNS TRIGGER AS $$
BEGIN
UPDATE recipes SET modified_on = now() WHERE ident = NEW."recipe_id";
PER …
- 285
13
votes
3
answers
41k
views
Postgres update a table (only) if it exists
I have a Server and several Client Applications. The Server has to be started before a client can be started. The clients then create tables in the database if they don't exists.
When the Server is s …
- 285