17 lines
732 B
SQL
17 lines
732 B
SQL
-- 补充 SIGNED_FILE_URL 字段（在线签章原始下载地址）
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-- 幂等执行：如已存在则跳过
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DECLARE
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v_count NUMBER;
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BEGIN
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SELECT COUNT(*) INTO v_count FROM ALL_TAB_COLUMNS
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WHERE OWNER = 'DEVELOPER' AND TABLE_NAME = 'SEAL_CONTRACT_LAUNCH_MAIN' AND COLUMN_NAME = 'SIGNED_FILE_URL';
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IF v_count = 0 THEN
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EXECUTE IMMEDIATE 'ALTER TABLE SEAL_CONTRACT_LAUNCH_MAIN ADD SIGNED_FILE_URL VARCHAR2(500)';
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EXECUTE IMMEDIATE 'COMMENT ON COLUMN SEAL_CONTRACT_LAUNCH_MAIN.SIGNED_FILE_URL IS ''在线签章平台原始下载地址''';
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DBMS_OUTPUT.PUT_LINE('SIGNED_FILE_URL column added.');
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ELSE
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DBMS_OUTPUT.PUT_LINE('SIGNED_FILE_URL already exists, skipped.');
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END IF;
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END;
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/
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