SELECT
*
FROM
ODS_ZGCB_UPJG
WHERE 1 = 1 AND RIQI =IF (
(SELECT count(*)> 0 FROM ODS_ZGCB_UPJG WHERE RIQI ='202306'),
'202306',
(SELECT MAX(RIQI) FROM ODS_ZGCB_UPJG)
)
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SELECT
*
FROM
ODS_ZGCB_UPJG
WHERE 1 = 1 AND RIQI =IF (
(SELECT count(*)> 0 FROM ODS_ZGCB_UPJG WHERE RIQI ='202306'),
'202306',
(SELECT MAX(RIQI) FROM ODS_ZGCB_UPJG)
)