hive HIVE-26339: HIVE-26047 Related LIKE pattern issues

What changes were proposed in this pull request?

Vectorized LIKE udf is taking proportionately higher time depending on the size of input string in UDF. And, I found a problem with some regular expressions.

Why are the changes needed?

To support filter condition based on input data.

Does this PR introduce any user-facing change?

No.

How was this patch tested?

Added testcase as part of PR.

Jun 17 '22 09:06 ryukobayashi

@zabetak I have fixed the following PR, Could you take a look this? https://github.com/apache/hive/pull/3117

Jun 23 '22 04:06 ryukobayashi

Hey @ryukobayashi thanks for the PR. I am quite busy for the next 8-10 days so not sure if I will find time to review.

Jun 27 '22 17:06 zabetak

Thanks! @zabetak Got it, I will wait till then.

Jun 28 '22 06:06 ryukobayashi

@zabetak Is it still going to take time?

Jul 11 '22 04:07 ryukobayashi

This pull request has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Feel free to reach out on the [email protected] list if the patch is in need of reviews.

Sep 10 '22 00:09 github-actions[bot]