java sql 语句

大家好 内容有点设计到 ibats
stdTermStatistics.branchID = pubTeachingBranch.branchID AND pubTeachingBranch.treePath
 LIKE #treePath# || '-___' AND pubTeachingBranch.isDelete != 'Y'
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就是这句语句里
treePath# || '-___' 这个什么意思啊