4 files changed, 133 insertions, 0 deletions
diff --git a/migrations/00000000000000_diesel_initial_setup/down.sql b/migrations/00000000000000_diesel_initial_setup/down.sql
new file mode 100644
index 0000000..a9f5260
--- /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 0000000..d68895b
--- /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/2018-02-15-031841_create_memes/down.sql b/migrations/2018-02-15-031841_create_memes/down.sql
new file mode 100644
index 0000000..91d88ab
--- /dev/null
+++ b/migrations/2018-02-15-031841_create_memes/down.sql
@@ -0,0 +1,18 @@
+DROP TABLE audio_memes;
+DROP TABLE image_memes;
+DROP TABLE text_memes;
+
+DROP TABLE audio;
+DROP TABLE images;
+
+DROP INDEX audit_updated;
+DROP INDEX audit_updated_by;
+DROP INDEX audit_metadata;
+DROP INDEX audit_metadata_updated_by;
+
+DROP TABLE audit_records;
+
+DROP INDEX metadata_created;
+DROP INDEX metadata_created_by;
+
+DROP TABLE metadata;
diff --git a/migrations/2018-02-15-031841_create_memes/up.sql b/migrations/2018-02-15-031841_create_memes/up.sql
new file mode 100644
index 0000000..dc24710
--- /dev/null
+++ b/migrations/2018-02-15-031841_create_memes/up.sql
@@ -0,0 +1,73 @@
+CREATE TABLE metadata (
+    id          SERIAL PRIMARY KEY,
+
+    created     TIMESTAMP NOT NULL DEFAULT current_timestamp,
+    created_by  BIGINT NOT NULL
+);
+
+CREATE INDEX metadata_created on metadata (created);
+CREATE INDEX metadata_created_by on metadata (created_by);
+
+
+CREATE TABLE audit_records (
+    id          SERIAL PRIMARY KEY,
+
+    updated     TIMESTAMP NOT NULL DEFAULT current_timestamp,
+    updated_by  BIGINT NOT NULL,
+
+    metadata_id INTEGER REFERENCES metadata NOT NULL
+);
+
+CREATE INDEX audit_updated on audit_records (updated);
+CREATE INDEX audit_updated_by on audit_records (updated_by);
+CREATE INDEX audit_metadata on audit_records (metadata_id);
+
+CREATE INDEX audit_metadata_updated_by on audit_records (metadata_id, updated_by);
+
+
+CREATE TABLE images (
+    id    SERIAL PRIMARY KEY,
+    data  bytea NOT NULL,
+
+    metadata_id INTEGER REFERENCES metadata UNIQUE NOT NULL
+);
+
+
+CREATE TABLE audio (
+    id    SERIAL PRIMARY KEY,
+    data  bytea NOT NULL,
+
+    metadata_id INTEGER REFERENCES metadata UNIQUE NOT NULL
+);
+
+
+CREATE TABLE text_memes (
+    id          SERIAL PRIMARY KEY,
+    title       varchar UNIQUE NOT NULL,
+    content     TEXT NOT NULL,
+    image_id    INTEGER REFERENCES images NULL,
+    audio_id    INTEGER REFERENCES audio NULL,
+
+    metadata_id INTEGER REFERENCES metadata UNIQUE NOT NULL,
+    UNIQUE(content, image_id, audio_id)
+);
+
+
+CREATE TABLE image_memes (
+    id          SERIAL PRIMARY KEY,
+    title       varchar UNIQUE NOT NULL,
+    image_id    INTEGER REFERENCES images NOT NULL,
+
+    metadata_id INTEGER REFERENCES metadata UNIQUE NOT NULL,
+    UNIQUE(title, image_id)
+);
+
+
+CREATE TABLE audio_memes (
+    id          SERIAL PRIMARY KEY,
+    title       varchar UNIQUE NOT NULL,
+    audio_id    INTEGER REFERENCES audio NOT NULL,
+
+    metadata_id INTEGER REFERENCES metadata UNIQUE NOT NULL,
+    UNIQUE(title, audio_id)
+);