MSSQL 获取递归树形表数据
2021/11/3 19:12:02
本文主要是介绍MSSQL 获取递归树形表数据,对大家解决编程问题具有一定的参考价值,需要的程序猿们随着小编来一起学习吧!
1.根据节点主键,查询当前节点和所有子节点
WITH SOURCE AS ( SELECT * FROM TableName WHERE DeleteState = 0 ), LIST AS ( SELECT value FROM STRING_SPLIT('2111011043240001', ',') ), RESULT AS ( SELECT SOURCE.* FROM SOURCE INNER JOIN LIST ON SOURCE.Code = LIST.value UNION ALL SELECT SOURCE.* FROM RESULT INNER JOIN SOURCE ON RESULT.Code = SOURCE.ParentCode ) SELECT Code, ParentCode, NodeName, NodeIndex, IsLastNode FROM RESULT
2.根据节点主键,查询当前节点和所有父节点
WITH SOURCE AS ( SELECT * FROM TableName WHERE DeleteState = 0 ), LIST AS ( SELECT value FROM STRING_SPLIT('2111011043260028', ',') ), RESULT AS ( SELECT SOURCE.* FROM SOURCE INNER JOIN LIST ON SOURCE.Code = LIST.value UNION ALL SELECT SOURCE.* FROM RESULT INNER JOIN SOURCE ON RESULT.ParentCode = SOURCE.Code ) SELECT Code, ParentCode, NodeName, NodeIndex, IsLastNode FROM RESULT
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