select * from tabname where Time字段 >= '${format(MONTHDELTA(today(),-6),"yyyy-MM-dd")}'
-- 时间字段为yyyy-MM-dd格式
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或 MySQL用date_format()函数处理;
select * from tabname where date_format(Time字段,"%Y-%m") >= '${format(MONTHDELTA(today(),-6),"yyyy-MM")}'
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