16 lines
437 B
PL/PgSQL
16 lines
437 B
PL/PgSQL
ALTER TABLE pages
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ADD commentCount INTEGER NOT NULL DEFAULT 0;
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CREATE OR REPLACE FUNCTION commentsInsertTriggerFunction() RETURNS TRIGGER AS $trigger$
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BEGIN
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UPDATE pages
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SET commentCount = commentCount + 1
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WHERE domain = new.domain AND path = new.path;
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RETURN NEW;
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END;
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$trigger$ LANGUAGE plpgsql;
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CREATE TRIGGER commentsInsertTrigger AFTER INSERT ON comments
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FOR EACH ROW EXECUTE PROCEDURE commentsInsertTriggerFunction();
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