mirror of
https://github.com/lobehub/lobehub
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39 lines
1.6 KiB
SQL
39 lines
1.6 KiB
SQL
CREATE TABLE IF NOT EXISTS "threads" (
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"id" text PRIMARY KEY NOT NULL,
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"title" text,
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"type" text NOT NULL,
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"status" text DEFAULT 'active',
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"topic_id" text NOT NULL,
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"source_message_id" text NOT NULL,
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"parent_thread_id" text,
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"user_id" text NOT NULL,
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"last_active_at" timestamp with time zone DEFAULT now(),
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"accessed_at" timestamp with time zone DEFAULT now() NOT NULL,
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"created_at" timestamp with time zone DEFAULT now() NOT NULL,
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"updated_at" timestamp with time zone DEFAULT now() NOT NULL
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);
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--> statement-breakpoint
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ALTER TABLE "messages" ADD COLUMN "thread_id" text;--> statement-breakpoint
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DO $$ BEGIN
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ALTER TABLE "threads" ADD CONSTRAINT "threads_topic_id_topics_id_fk" FOREIGN KEY ("topic_id") REFERENCES "public"."topics"("id") ON DELETE cascade ON UPDATE no action;
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EXCEPTION
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WHEN duplicate_object THEN null;
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END $$;
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--> statement-breakpoint
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DO $$ BEGIN
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ALTER TABLE "threads" ADD CONSTRAINT "threads_parent_thread_id_threads_id_fk" FOREIGN KEY ("parent_thread_id") REFERENCES "public"."threads"("id") ON DELETE set null ON UPDATE no action;
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EXCEPTION
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WHEN duplicate_object THEN null;
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END $$;
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--> statement-breakpoint
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DO $$ BEGIN
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ALTER TABLE "threads" ADD CONSTRAINT "threads_user_id_users_id_fk" FOREIGN KEY ("user_id") REFERENCES "public"."users"("id") ON DELETE cascade ON UPDATE no action;
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EXCEPTION
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WHEN duplicate_object THEN null;
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END $$;
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--> statement-breakpoint
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DO $$ BEGIN
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ALTER TABLE "messages" ADD CONSTRAINT "messages_thread_id_threads_id_fk" FOREIGN KEY ("thread_id") REFERENCES "public"."threads"("id") ON DELETE cascade ON UPDATE no action;
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EXCEPTION
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WHEN duplicate_object THEN null;
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END $$;
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