fedimovies/mitra-models/migrations/V0009__post_reaction.sql

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