Diesel migrations

migrations/2022-11-04-173903_create_karma/down.sql

@@ -0,0 +1,2 @@
+-- This file should undo anything in `up.sql`
+DROP TABLE karma

migrations/2022-11-04-173903_create_karma/up.sql

@@ -0,0 +1,11 @@
+-- Your SQL goes here
+create TABLE karma (
+    id BIGSERIAL PRIMARY KEY,
+    chat_id BIGINT REFERENCES chats(id) NOT NULL,
+    user_from BIGINT REFERENCES users(id) NOT NULL,
+    user_to BIGINT REFERENCES users(id) NOT NULL,
+    karma SMALLINT NOT NULL,
+    message_id BIGINT NOT NULL,
+    message_text TEXT,
+    created TIMESTAMPTZ NOT NULL DEFAULT NOW()
+)