In the procedure of path decomposition and query plan selection, target node in the query tree is utilized to avoid the transfer of the intermediate results.
在路径分解和查询计划选择的过程中，利用查询树中的目标节点来避免中间结果的传递。
In the procedure of path decomposition and query plan selection, target node in the query tree is utilized to avoid the transfer of the intermediate results.
在路径分解和查询计划选择的过程中，利用查询树中的目标节点来避免中间结果的传递。
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