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METHOD, DEVICE, AND COMPUTER PROGRAM FOR MERGE-SORTING RECORD GROUPS HAVING TREE STRUCTURE EFFICIENTLY
METHOD, DEVICE, AND COMPUTER PROGRAM FOR MERGE-SORTING RECORD GROUPS HAVING TREE STRUCTURE EFFICIENTLY
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机译:高效地对具有树结构的记录组进行合并排序的方法,设备和计算机程序
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摘要
A first record group and a second record group having a tree structure are merge-sorted. The first record group and the second record group are acquired, and depth information indicative of the hierarchical depth of the tree structure is attached as metadata to key information on each node of each record included in the acquired first record group and second record group. The depth information is compared in preference to the key information to perform merge sort sequentially.
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