susongyan commented on issue #27892: URL: https://github.com/apache/shardingsphere/issues/27892#issuecomment-1670755886
to question 1: proxy is also a jdbc client , i think pg server doesn't case about escaped ?? PostgreSQLComParseExecutor is transfer pg origin packet to jdbc style , then pass it to pg driver to recover to pg origin packet style ; it's pg driver's jdbc escape int client side origin pg packet from node: SELECT * from table WHERE receiver ?& $1 OR creater = $2; proxy convert it to : SELECT * from table WHERE receiver ??& ? OR creater = ?; pg driver recover it and send to pg server: SELECT * from table WHERE receiver ?& $1 OR creater = $2; to question2 : Parser.parseJdbcSql used in SetupQueryRunner( set variables ) and CachedQueryCreateAction( lrucache, common sql) -- 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]
