复制代码 代码如下:
select count(*) as lot from OA_sample_check where left(ecnNO, LOCATE(',',ecnNO)-1)='a1'
select count(*) as lot from OA_sample_check where left(ecnNO, LOCATE(',',ecnNO)-1)='a1'
select count(*) as lot from OA_sample_check where left(ecnNO, LOCATE(',',ecnNO)-1)='a1'
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