diff options
Diffstat (limited to 'backend/migrations/00000000000000_diesel_initial_setup/up.sql')
-rw-r--r-- | backend/migrations/00000000000000_diesel_initial_setup/up.sql | 36 |
1 files changed, 0 insertions, 36 deletions
diff --git a/backend/migrations/00000000000000_diesel_initial_setup/up.sql b/backend/migrations/00000000000000_diesel_initial_setup/up.sql deleted file mode 100644 index d68895b..0000000 --- a/backend/migrations/00000000000000_diesel_initial_setup/up.sql +++ /dev/null @@ -1,36 +0,0 @@ --- This file was automatically created by Diesel to setup helper functions --- and other internal bookkeeping. This file is safe to edit, any future --- changes will be added to existing projects as new migrations. - - - - --- Sets up a trigger for the given table to automatically set a column called --- `updated_at` whenever the row is modified (unless `updated_at` was included --- in the modified columns) --- --- # Example --- --- ```sql --- CREATE TABLE users (id SERIAL PRIMARY KEY, updated_at TIMESTAMP NOT NULL DEFAULT NOW()); --- --- SELECT diesel_manage_updated_at('users'); --- ``` -CREATE OR REPLACE FUNCTION diesel_manage_updated_at(_tbl regclass) RETURNS VOID AS $$ -BEGIN - EXECUTE format('CREATE TRIGGER set_updated_at BEFORE UPDATE ON %s - FOR EACH ROW EXECUTE PROCEDURE diesel_set_updated_at()', _tbl); -END; -$$ LANGUAGE plpgsql; - -CREATE OR REPLACE FUNCTION diesel_set_updated_at() RETURNS trigger AS $$ -BEGIN - IF ( - NEW IS DISTINCT FROM OLD AND - NEW.updated_at IS NOT DISTINCT FROM OLD.updated_at - ) THEN - NEW.updated_at := current_timestamp; - END IF; - RETURN NEW; -END; -$$ LANGUAGE plpgsql; |