kgeis commented on PR #172:
URL: 
https://github.com/apache/flink-connector-jdbc/pull/172#issuecomment-2948043720

   Sorry, I didn't realize that change would have impacts elsewhere.
   
   Reviewing the code, I question the decision to have the CrateDB dialect 
extend the PostgreSQL. Just because they talk the same wire protocol doesn't 
mean their SQL or data types will be the same. For example, `CREATE TABLE T (f0 
TIMESTAMP(3))` works on PostgreSQL 17 but CrateDB 5.10 complains
   ```
   Error!
   
   SQLParseException[The 'timestamp' type doesn't support type parameters.]
   ```
   
   That said, I was able to get the tests running locally (at least through the 
CrateDB tests), and when I updated the CrateDBDialectTest to follow the 
PostgreSQLDialectTest, they passed.


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