chl-wxp commented on issue #10288: URL: https://github.com/apache/seatunnel/issues/10288#issuecomment-3743160840
Using TABLESAMPLE + NTILE requires full scan and window sort in most JDBC databases and is not supported by many dialects (MySQL, Kingbase, Gauss, Sybase). Flink and Trino JDBC connectors avoid SQL-side quantiles and instead use index-based probing to build histograms on the client side. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
