use postgresql

migrations/postgres/2022-03-21-164718_create_comments/up.sql

@@ -0,0 +1,14 @@
+-- Your SQL goes here
+CREATE TABLE comments (
+  id SERIAL PRIMARY KEY,
+  author_hash VARCHAR NOT NULL,
+  author_title VARCHAR NOT NULL DEFAULT '',
+  is_tmp BOOLEAN NOT NULL DEFAULT FALSE,
+  content TEXT NOT NULL,
+  create_time TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+  is_deleted BOOLEAN NOT NULL DEFAULT FALSE,
+  allow_search BOOLEAN NOT NULL DEFAULT FALSE,
+  post_id INTEGER NOT NULL REFERENCES posts(id)
+);
+CREATE INDEX comments_postId_idx ON comments (post_id);
+