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17 lines
691 B
SQL
17 lines
691 B
SQL
-- Knowledge Platform schema migration
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-- Migration id: 0041_logical_document_availability
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-- Dialect: postgres
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-- Adds document-scoped availability without mutating source or physical index state.
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ALTER TABLE "logical_documents"
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ADD COLUMN IF NOT EXISTS "enabled" BOOLEAN NOT NULL DEFAULT TRUE,
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ADD COLUMN IF NOT EXISTS "disabled_at" TIMESTAMP,
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ADD COLUMN IF NOT EXISTS "disabled_by_subject_id" VARCHAR(255);
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ALTER TABLE "logical_documents"
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ADD CONSTRAINT "logical_documents_availability_ck"
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CHECK (
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("enabled" AND "disabled_at" IS NULL AND "disabled_by_subject_id" IS NULL)
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OR (NOT "enabled" AND "disabled_at" IS NOT NULL AND "disabled_by_subject_id" IS NOT NULL)
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);
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