init push

backend/store/pg/migration/000011_create_user_comment.up.sql

@@ -0,0 +1,16 @@
+CREATE TABLE "public"."comments" (
+        "id" TEXT NOT NULL,
+        "user_id" text NULL,
+        "node_id" text NOT NULL ,
+        "kb_id" text NOT NULL,
+        "info" JSONB NULL,
+        "parent_id" text DEFAULT NULL,
+        "root_id" text DEFAULT NULL,
+        "content" text NOT NULL,
+        "created_at" timestamptz NULL,
+        PRIMARY KEY ("id")
+);
+
+CREATE INDEX "idx_comments_node_id" ON "public"."comments" ("node_id");
+CREATE INDEX "idx_comments_kb_id" ON "public"."comments"("kb_id");
+