zed/crates/collab2/migrations/20231018102700_create_mentions.sql
2023-11-03 18:01:06 -07:00

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SQL

CREATE TABLE "channel_message_mentions" (
"message_id" INTEGER NOT NULL REFERENCES channel_messages (id) ON DELETE CASCADE,
"start_offset" INTEGER NOT NULL,
"end_offset" INTEGER NOT NULL,
"user_id" INTEGER NOT NULL REFERENCES users (id) ON DELETE CASCADE,
PRIMARY KEY(message_id, start_offset)
);
-- We use 'on conflict update' with this index, so it should be per-user.
CREATE UNIQUE INDEX "index_channel_messages_on_sender_id_nonce" ON "channel_messages" ("sender_id", "nonce");
DROP INDEX "index_channel_messages_on_nonce";