Description

add LIMIT value. args[0] means offset, e.g. LIMIT num,offset. if Limit <= 0 then Limit will be set to default limit ,eg 1000 if QuerySeter doesn't call Limit, the sql's Limit will be set to default limit, eg 1000

 for example:
	qs.Limit(10, 2)
	// sql-> limit 10 offset 2

Limit is referenced in 56 repositories

github.com/astaxie/beego github.com/xiongpf/GoCRM github.com/beego/wetalk

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