9 lines
395 B
MySQL
9 lines
395 B
MySQL
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CREATE TABLE post_reaction (
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id UUID PRIMARY KEY,
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author_id UUID NOT NULL REFERENCES actor_profile (id) ON DELETE CASCADE,
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post_id UUID NOT NULL REFERENCES post (id) ON DELETE CASCADE,
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created_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT now(),
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UNIQUE (author_id, post_id)
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);
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ALTER TABLE post ADD COLUMN reaction_count INTEGER NOT NULL CHECK (reaction_count >= 0) DEFAULT 0;
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