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FK relationship #27

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nrajagopal opened this issue Jan 20, 2015 · 1 comment
Closed

FK relationship #27

nrajagopal opened this issue Jan 20, 2015 · 1 comment

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@nrajagopal
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How to get notification for tables having fk realtionship like on delete cascade etc..
@shyiko
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shyiko commented Jan 26, 2015

Hello.

Short answer: you don't. You won't find anything in the binary log to help you with that.
But... you can always read the schema in and watch for changes on table(s) defining FKs. For example, in case of ON DELETE CASCADE (let's say, table "a" references table "b") you could listen for EXT_DELETE_ROWS event on "a" and use that to get an id of linked "b" record.

@shyiko shyiko closed this as completed Jan 26, 2015
fivetran-mattalexander pushed a commit to fivetran/mysql-binlog-connector-java that referenced this issue Jan 27, 2021
@osheroff
Merge pull request shyiko#27 from redcape/master
fec2fe6 
Add Auth Plugin Name to for native password auth to fix Azure connections
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@shyiko @nrajagopal