expression: handle max_allowed_packet warnings for from_base64 function. #7430
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Hi contributor, thanks for your PR. This patch needs to be approved by someone of admins. They should reply with "/ok-to-test" to accept this PR for running test automatically. |
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/run-all-tests tikv=release-2.0 pd=release-2.0 tidb-test=release-2.0 |
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LGTM |
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@supernan1994 Thanks! |
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@shenli My pleasure~ |
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What problem does this PR solve?
cherrypick #7409 (from commit 4624785) to release-2.0
What is changed and how it works?
Return NULL and a warning when the result of from_base64 exceeds max_allowed_packetbs.
Check List
Tests
Related changes