executor: throw error when prepared statement is execute, deallocate or prepare #21962
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cherry pick to release-4.0 in PR #21972 |
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What problem does this PR solve?
Issue Number: close #17412
Problem Summary:
TiDB regards sql like
prepare stmt1 from "execute stmt"as valid.What is changed and how it works?
What's Changed:
When prepared statement is execute, deallocate or prepare, throw error
ERROR 1295 (HY000): This command is not supported in the prepared statement protocol yet.Related changes
Check List
Tests
Release note