我的脚本如下,它将一个csv文件加载到PRODUCT_TBL,并且在此过程中发生任何错误,脚本将回滚事务并输出错误消息,但是当遇到UTL_FILE错误时它不会打印出消息,例如无效文件操作。任何帮助表示赞赏。谢谢
DECLARE
V_error_code NUMBER;
V_error_message VARCHAR2(255);
V_ignore_headerlines NUMBER := 1;
V_eof BOOLEAN := FALSE;
F UTL_FILE.FILE_TYPE;
V_LINE VARCHAR2 (32767);
V_PRD_ID PRODUCT_TBL.PRD_ID%TYPE;
V_PATTERN PRODUCT_TBL.PATTERN%TYPE;
V_REMARK PRODUCT_TBL.REMARK%TYPE;
V_CREATED_BY PRODUCT_TBL.CREATED_BY%TYPE;
V_CREATED_DATE PRODUCT_TBL.CREATED_DATE%TYPE;
V_MODIFIED_BY PRODUCT_TBL.MODIFIED_BY%TYPE;
V_MODIFIED_DATE PRODUCT_TBL.MODIFIED_DATE%TYPE;
BEGIN
F := UTL_FILE.FOPEN ('DATA_DIR', 'PRODUCT_TBLv51.csv', 'R');
IF V_ignore_headerlines > 0
THEN
BEGIN
FOR i IN 1 .. V_ignore_headerlines
LOOP
UTL_FILE.get_line(F, V_LINE);
END LOOP;
EXCEPTION
WHEN NO_DATA_FOUND
THEN
V_eof := TRUE;
END;
END IF;
WHILE NOT V_eof
LOOP
BEGIN
UTL_FILE.GET_LINE(F, V_LINE, 32767);
IF V_LINE IS NULL THEN
EXIT;
END IF;
V_PRD_ID := REGEXP_SUBSTR(V_LINE, '([^,\(]*(\([^\)]*\)[^,\(]*)*)(,|$)', 1, 1, 'i', 1);
V_PATTERN := REGEXP_SUBSTR(V_LINE, '([^,\(]*(\([^\)]*\)[^,\(]*)*)(,|$)', 1, 2, 'i', 1);
V_REMARK := REGEXP_SUBSTR(V_LINE, '([^,\(]*(\([^\)]*\)[^,\(]*)*)(,|$)', 1, 12, 'i', 1);
V_CREATED_BY := REGEXP_SUBSTR(V_LINE, '([^,\(]*(\([^\)]*\)[^,\(]*)*)(,|$)', 1, 13, 'i', 1);
V_CREATED_DATE := REGEXP_SUBSTR(V_LINE, '([^,\(]*(\([^\)]*\)[^,\(]*)*)(,|$)', 1, 14, 'i', 1);
V_MODIFIED_BY := REGEXP_SUBSTR(V_LINE, '([^,\(]*(\([^\)]*\)[^,\(]*)*)(,|$)', 1, 15, 'i', 1);
V_MODIFIED_DATE := REGEXP_SUBSTR(V_LINE, '([^,\(]*(\([^\)]*\)[^,\(]*)*)(,|$)', 1, 16, 'i', 1);
INSERT INTO PRODUCT_TBL (PRD_ID,PATTERN,REMARK,CREATED_BY,CREATED_DATE,MODIFIED_BY,MODIFIED_DATE)
VALUES(V_PRD_ID, V_PATTERN, V_REMARK, V_CREATED_BY, V_CREATED_DATE, V_MODIFIED_BY, V_MODIFIED_DATE);
EXCEPTION
WHEN OTHERS THEN
ROLLBACK;
v_error_code := SQLCODE;
v_error_message := SQLERRM;
dbms_output.put_line(v_error_code || SQLERRM);
EXIT;
END;
END LOOP;
COMMIT;
UTL_FILE.FCLOSE(F);
EXCEPTION
WHEN UTL_FILE.INVALID_OPERATION THEN
UTL_FILE.FCLOSE(F);
dbms_output.put_line('File could not be opened or operated on as requested.');
END;
/