postgres复杂xml解析
我有下面的xml，一个员工可以有几个报告对象，每个报告对象可以有几个报告内容，但是层次结构最多可以有4个内部报告内容。 我需要这个XML的结果如下表所示 我正在使用下面的postgres查询，我的计划是有4个CTE，但它失败了，错误是无法解析XML文档我在这里做错了什么postgres复杂xml解析,xml,postgresql,Xml,Postgresql,我有下面的xml，一个员工可以有几个报告对象，每个报告对象可以有几个报告内容，但是层次结构最多可以有4个内部报告内容。 我需要这个XML的结果如下表所示 我正在使用下面的postgres查询，我的计划是有4个CTE，但它失败了，错误是无法解析XML文档我在这里做错了什么 <department> <head> <employee>emp 1</employee> <c
<department>
<head>
<employee>emp 1</employee>
<cell col="2">M-y</cell>
<cell col="3">T-y</cell>
<cell col="4">W-n</cell>
<cell col="5">T-y</cell>
<cell col="6">F-n</cell>
<reportees level="1">
<employee>emp 11</employee>
<cell col="2">M-n</cell>
<cell col="3">T-n</cell>
<cell col="4">W-n</cell>
<cell col="5">T-y</cell>
<cell col="6">F-n</cell>
<reportees level="2">
<employee>emp 111</employee>
<cell col="2">M-n</cell>
<cell col="3">T-n</cell>
<cell col="4">W-n</cell>
<cell col="5">T-y</cell>
<cell col="6">F-n</cell>
</reportees>
<reportees level="2">
<employee>emp 10034</employee>
<cell col="2">M-n</cell>
<cell col="3">T-n</cell>
<cell col="4">W-n</cell>
<cell col="5">T-y</cell>
<cell col="6">F-n</cell>
</reportees>
</reportees>
<reportees level="1">
<employee>emp 12</employee>
<cell col="2">M-n</cell>
<cell col="3">T-n</cell>
<cell col="4">W-n</cell>
<cell col="5">T-y</cell>
<cell col="6">F-n</cell>
</reportees>
<reportees level="1">
<employee>emp 13</employee>
<cell col="2">M-n</cell>
<cell col="3">T-n</cell>
<cell col="4">W-n</cell>
<cell col="5">T-y</cell>
<cell col="6">F-n</cell>
<reportees level="2">
<employee>emp 131</employee>
<cell col="2">M-n</cell>
<cell col="3">T-n</cell>
<cell col="4">W-n</cell>
<cell col="5">T-y</cell>
<cell col="6">F-n</cell>
<reportees level="3">
<employee>emp 1311</employee>
<cell col="2">M-n</cell>
<cell col="3">T-n</cell>
<cell col="4">W-n</cell>
<cell col="5">T-y</cell>
<cell col="6">F-n</cell>
</reportees>
</reportees>
</reportees>
</head>
</department>
</company>
WITH CTE AS (
SELECT xmltable.*
FROM xmldata,
XMLTABLE('//company/department/head'
PASSING data COLUMNS
employee text PATH 'employee'
, monday text PATH 'cell[1]'
, tuesday text PATH 'cell[2]'
, wednesday text PATH 'cell[3]'
, thuresday text PATH 'cell[4]'
, friday text PATH 'cell[5]'
, reportees XML PATH 'reportees'))
SELECT *
FROM CTE
LEFT JOIN LATERAL XMLTABLE ('reportees' PASSING reportees COLUMNS
employee text PATH 'employee'
, monday text PATH 'cell[1]'
, tuesday text PATH 'cell[2]'
, wednesday text PATH 'cell[3]'
, thuresday text PATH 'cell[4]'
, friday text PATH 'cell[5]'
, reportees XML PATH 'reportees') ON TRUE;