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