32 lines
1.3 KiB
SQL
32 lines
1.3 KiB
SQL
CREATE TABLE messages (
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id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
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conversation_id UUID NOT NULL REFERENCES conversations(id) ON DELETE CASCADE,
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user_id UUID NOT NULL REFERENCES users(id),
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content TEXT NOT NULL,
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created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
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updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
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deleted_at TIMESTAMPTZ
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);
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CREATE TABLE attachments (
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id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
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message_id UUID NOT NULL REFERENCES messages(id) ON DELETE CASCADE,
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url TEXT NOT NULL,
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filename TEXT NOT NULL,
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mime_type TEXT NOT NULL,
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size_bytes BIGINT NOT NULL,
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created_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
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);
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CREATE TABLE reactions (
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id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
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message_id UUID NOT NULL REFERENCES messages(id) ON DELETE CASCADE,
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user_id UUID NOT NULL REFERENCES users(id) ON DELETE CASCADE,
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emoji TEXT NOT NULL,
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created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
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UNIQUE (message_id, user_id, emoji)
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);
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CREATE INDEX messages_conversation_id_created_at_idx ON messages(conversation_id, created_at DESC);
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CREATE INDEX reactions_message_id_idx ON reactions(message_id);
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