simple (ticdc): support send all tables bootstrap message at changefeed start (#11239) #11400
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This is an automated cherry-pick of #11239
What problem does this PR solve?
Issue Number: close #11315
What is changed and how it works?
A boolean parameter
send-all-bootstrap-at-startis added, which is set to false by default.If this parameter is set to true, the changefeed, upon starting, will send the schema of all synchronized tables downstream as Bootstrap events. This will be done synchronously in the ddlSink. After the Bootstrap events are synchronized, row changes will begin to be synchronized.
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