ddl_puller (ticdc): handle dorp pk/uk ddl correctly (#10965) #10982
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This is an automated cherry-pick of #10965
What problem does this PR solve?
Issue Number: close #10890
What is changed and how it works?
When handling a DDL job in
ddlPuller
, check if it will transition the table from eligible to ineligible. If so, return an error and stop the changefeed. The error message should provide instructions for the user on how to manage the situation.Check List
Tests
Questions
Will it cause performance regression or break compatibility?
Do you need to update user documentation, design documentation or monitoring documentation?
Release note