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[英]ORA-01858: a non-numeric character was found where a numeric was expected?
[英]Seeing ORA-01858: a non-numeric character was found where a numeric was expected
以下是我對 Oracle SQL Developer 的查詢:
INSERT INTO ENROLLMENTS (DATE,PARTNER_NAME,ENROLLMENTS)
SELECT TO_CHAR(TS, 'DD-MON-YYYY HH AM') AS DATE, mrch_bnft_cd, COUNT(*)
FROM ENROLLMENTS
WHERE TS > trunc(sysdate-1/24, 'HH') + 5/24
AND TS < trunc(sysdate, 'HH') + 5/24
GROUP BY TO_CHAR(TS, 'DD-MON-YYYY HH AM'), mrch
ORDER BY TO_CHAR(TS, 'DD-MON-YYYY HH AM'), mrch_bnft
我得到一個錯誤
ORA-01858: 在預期為數字錯誤的位置發現了非數字字符
但錯誤沒有告訴我在哪里。 有任何想法嗎?
DATE = TIMESTAMP(6)
TS = TIMESTAMP(6)
PARTNER = VARCHAR2(35 BYTE)
ENROLLMENTS = NUMBER
MRCH_BNFT= VARCHAR2(35 BYTE)
基本上,您試圖在時間戳字段中存儲一個表示日期的字符串。 如果您更換:
TO_CHAR(TS, 'DD-MON-YYYY HH AM')
經過
TRUNC(TS, 'hh24')
在所有 4 個地方它都應該工作。
INSERT INTO ENROLLMENTS (DATE,PARTNER_NAME,ENROLLMENTS)
SELECT TRUNC(TS, 'hh24') AS DATE, mrch_bnft_cd, COUNT(*)
FROM ENROLLMENTS
WHERE TS > trunc(sysdate-1/24, 'HH') + 5/24
AND TS < trunc(sysdate, 'HH') + 5/24
GROUP BY TRUNC(TS, 'hh24'), mrch
ORDER BY TRUNC(TS, 'hh24'), mrch_bnft
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