Patent · US Active

Efficient merge of tabular data with deletion indications

US12045220B2 · kind B2 · utility

0Cited by
10References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 25, 2022
Grant dateJul 23, 2024
Priority date
Expiry dateSep 8, 2042

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06F9/4881
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A method, system, and computer system for performing an operation with respect to a target table are disclosed. The method includes performing first and second jobs, and persist, in one or more deletion vector files, one or more deletion vectors for corresponding rows of the one or more target table files, and obtaining a resulting table based at least in part on the second job resulting file(s). Performing the first job includes determining a set of matching target table files and storing target table information indicating for each of the set of matching target table files, a particular set of rows having matching rows. Performing the second job includes performing a matching action based on matched rows and one or more deletion of vectors associated with previously removed rows of the matching target table files and obtaining the second job resulting file(s).

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.