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20 lines
504 B
PL/PgSQL
20 lines
504 B
PL/PgSQL
-- This file should undo anything in `up.sql`
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create or replace function was_removed_or_deleted(TG_OP text, OLD record, NEW record)
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RETURNS boolean
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LANGUAGE plpgsql
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as $$
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begin
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IF (TG_OP = 'INSERT') THEN
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return false;
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end if;
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IF (TG_OP = 'DELETE') THEN
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return true;
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end if;
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return TG_OP = 'UPDATE' AND (
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(OLD.deleted = 'f' AND NEW.deleted = 't') OR
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(OLD.removed = 'f' AND NEW.removed = 't')
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);
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END $$;
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