Hi, Which version are you using? I can't find the error message in the current code base.
When writing data to a JDBC database, all Flink types must be correctly matched to a JDBC type. The problem is probably that Flink cannot match the 8th field of your Row to a JDBC type. What's the type of the 8th field? Best, Fabian Am Do., 16. Jan. 2020 um 20:51 Uhr schrieb Soheil Pourbafrani < soheil.i...@gmail.com>: > Hi, > > Inserting a DataSet of the type Row using the Flink *JDBCOutputFormat *I > continuously go the warning: > [DataSink (org.apache.flink.api.java.io.jdbc.JDBCOutputFormat@18be83e4) > (1/4)] WARN org.apache.flink.api.java.io.jdbc.JDBCOutputFormat - Unknown > column type for column 8. Best effort approach to set its value: system. > > I tried to declare the Row schema by implementing the > *ResultTypeQueryable* class alongside with the FlatMap function I create > the final Row type for insertion but made no changes! > > What is this warning for? >
