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config(ticdc): enable-old-value always false if using avro or csv as the encoding protocol (#9079) #9318
config(ticdc): enable-old-value always false if using avro or csv as the encoding protocol (#9079) #9318
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Signed-off-by: ti-chi-bot <[email protected]>
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This is an automated cherry-pick of #9079
What problem does this PR solve?
Issue Number: close #9086
What is changed and how it works?
enableOldValue
by the sink scheme and encoding protocol. if using avro / csv, always false.enable-old-value
.enable-old-value
false, do not drop columns for the delete event at the mounter side.OnlyHandleKeyColumns
.Check List
Tests
Questions
Will it cause performance regression or break compatibility?
For changefeed using avro or csv, with
force-replicate
set to true, after upgrade, the changefeed cannot work normally.Do you need to update user documentation, design documentation or monitoring documentation?
Yes, update document to describe that
enable-old-value
is always false if usingavro
orcsv
as the encoding protocol.Release note