Glenn Galvizo created ASTERIXDB-2831:
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Summary: Use a More Selective Approach to Array Index UPSERTs
Key: ASTERIXDB-2831
URL: https://issues.apache.org/jira/browse/ASTERIXDB-2831
Project: Apache AsterixDB
Issue Type: Improvement
Reporter: Glenn Galvizo
Array indexes currently perform UPSERTs by unconditionally deleting the old
array contents and inserting the new array contents. A "merge-join" inspired
approach could be used here instead, where we iterate through the already
sorted old and new arrays, compare the elements at each step, and selectively
perform an insert / delete.
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