我正在越來越多的字符串越界下面的substr的錯誤。我怎麼能克服這個?子行數:字符串越界錯誤
SEL DRAWING_NUMBER
,CASE
WHEN SUBSTR(DRAWING_NUMBER,1,1) ='Y' THEN SUBSTR(DRAWING_NUMBER ,1,(INDEX(DRAWING_NUMBER , '.')-1))
ELSE DRAWING_NUMBER
END AS DERIVED_DRAWING
FROM GEEDW_D_PLP_BULK_V.CDR_DOCUMENTUM_TRSMTL
嗨伊戈爾,感謝您的答覆。是的,你是正確的價值觀沒有。在圖號中。 – user3901666 2014-09-25 16:24:23