19 lines
749 B
PL/PgSQL
19 lines
749 B
PL/PgSQL
BEGIN;
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ALTER TABLE context_snapshot
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ADD COLUMN preparation_status varchar(16) NOT NULL DEFAULT 'READY',
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ADD COLUMN preparation_failure_code varchar(80),
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ADD CONSTRAINT context_snapshot_preparation_status_check
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CHECK (preparation_status IN ('READY', 'FAILED')),
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ADD CONSTRAINT context_snapshot_preparation_failure_check
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CHECK (
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(preparation_status = 'READY' AND preparation_failure_code IS NULL)
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OR
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(preparation_status = 'FAILED' AND NULLIF(btrim(preparation_failure_code), '') IS NOT NULL)
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);
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COMMENT ON COLUMN context_snapshot.preparation_status IS
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'Whether the authorized context was prepared. FAILED snapshots retain only a sanitized diagnostic result.';
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COMMIT;
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