From 5b6ed8cfb245f7f9991f5fc192b8c9215f0ecdc1 Mon Sep 17 00:00:00 2001
From: Melonai <einebeere@gmail.com>
Date: Wed, 13 Jan 2021 22:37:31 +0100
Subject: Created diesel migrations

---
 .../00000000000000_diesel_initial_setup/up.sql     | 36 ++++++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 server/migrations/00000000000000_diesel_initial_setup/up.sql

(limited to 'server/migrations/00000000000000_diesel_initial_setup/up.sql')

diff --git a/server/migrations/00000000000000_diesel_initial_setup/up.sql b/server/migrations/00000000000000_diesel_initial_setup/up.sql
new file mode 100644
index 0000000..d68895b
--- /dev/null
+++ b/server/migrations/00000000000000_diesel_initial_setup/up.sql
@@ -0,0 +1,36 @@
+-- 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;
-- 
cgit 1.4.1

