diff --git a/migrations/.gitkeep b/migrations/.gitkeep new file mode 100644 index 000000000..e69de29bb diff --git a/migrations/00000000000000_diesel_initial_setup/down.sql b/migrations/00000000000000_diesel_initial_setup/down.sql new file mode 100644 index 000000000..a9f526091 --- /dev/null +++ b/migrations/00000000000000_diesel_initial_setup/down.sql @@ -0,0 +1,6 @@ +-- 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. + +DROP FUNCTION IF EXISTS diesel_manage_updated_at(_tbl regclass); +DROP FUNCTION IF EXISTS diesel_set_updated_at(); diff --git a/migrations/00000000000000_diesel_initial_setup/up.sql b/migrations/00000000000000_diesel_initial_setup/up.sql new file mode 100644 index 000000000..d68895b1a --- /dev/null +++ b/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; diff --git a/migrations/2018-04-08-133240_create_posts/down.sql b/migrations/2018-04-08-133240_create_posts/down.sql new file mode 100644 index 000000000..8ebcef8e1 --- /dev/null +++ b/migrations/2018-04-08-133240_create_posts/down.sql @@ -0,0 +1,2 @@ +DROP TABLE posts; +DROP TABLE threads; diff --git a/migrations/2018-04-08-133240_create_posts/up.sql b/migrations/2018-04-08-133240_create_posts/up.sql new file mode 100644 index 000000000..7cf601fa2 --- /dev/null +++ b/migrations/2018-04-08-133240_create_posts/up.sql @@ -0,0 +1,13 @@ +CREATE TABLE threads ( + id SERIAL PRIMARY KEY, + title VARCHAR NOT NULL, + body TEXT NOT NULL, + posted TIMESTAMPTZ NOT NULL +); + +CREATE TABLE posts ( + id SERIAL PRIMARY KEY, + thread SERIAL REFERENCES threads (id), + body TEXT NOT NULL, + posted TIMESTAMPTZ NOT NULL +);