break
73f5125d3d
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构建并部署到测试环境（无 SSH） / build-and-deploy (push) Successful in 8m26s
21 lines
781 B
SQL
21 lines
781 B
SQL
-- 为退款申请关联唯一通用审批实例。
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ALTER TABLE tb_refund_request
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ADD COLUMN IF NOT EXISTS approval_instance_id bigint;
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CREATE UNIQUE INDEX IF NOT EXISTS uq_refund_request_approval_instance
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ON tb_refund_request (approval_instance_id)
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WHERE approval_instance_id IS NOT NULL;
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DO $$
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BEGIN
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IF NOT EXISTS (
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SELECT 1 FROM pg_constraint WHERE conname = 'chk_refund_request_approval_instance'
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) THEN
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ALTER TABLE tb_refund_request
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ADD CONSTRAINT chk_refund_request_approval_instance
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CHECK (approval_instance_id IS NULL OR approval_instance_id > 0);
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END IF;
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END $$;
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COMMENT ON COLUMN tb_refund_request.approval_instance_id IS '退款申请关联的唯一通用审批实例 ID，存量旧审批记录为空';
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