[FLINK-26595][flink-connector-jdbc][postgreSQL]Improve the PostgresDi… #19053
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I'm trying to use Flink CDC to synchronize mysql data to matrixDB in real time.
But I encountered an error.
The error message is as follows:
This exception is caused by the getUpsertStatement method of PostgresDialect.
There is something wrong with the upsert statement.
In the Update statement, uniqueKey-related columns should be deleted;
I did the following experiment to test my modifications.
At the same time, I recompiled and packaged flink-connector-JDBC. Using the modified flink-connector-JDBC, my program no longer reported errors.
The PostgresDialect class handles upsert statements as follows:
To fix this problem, make the following changes to PostgresDialect: