Xin Gong created FLINK-37879:
--------------------------------

             Summary: transform concat function don't support utf-8 and cast 
don't support STRING
                 Key: FLINK-37879
                 URL: https://issues.apache.org/jira/browse/FLINK-37879
             Project: Flink
          Issue Type: Bug
          Components: Flink CDC
    Affects Versions: cdc-3.4.0
            Reporter: Xin Gong
         Attachments: image-2025-05-30-21-01-40-897.png, 
image-2025-05-30-21-02-43-251.png

 

!image-2025-05-30-21-01-40-897.png!

Caused by: org.apache.calcite.runtime.CalciteException: Failed to encode '中国' 
in character set 'ISO-8859-1'
    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    at 
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
    at 
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
    at 
org.apache.calcite.runtime.Resources$ExInstWithCause.ex(Resources.java:505)
    at org.apache.calcite.runtime.Resources$ExInst.ex(Resources.java:599)
    at org.apache.calcite.util.NlsString.<init>(NlsString.java:147)
    at org.apache.calcite.util.NlsString.<init>(NlsString.java:116)
    at org.apache.calcite.rex.RexBuilder.makeLiteral(RexBuilder.java:987)
    at org.apache.calcite.rex.RexBuilder.makeCharLiteral(RexBuilder.java:1206)
    at 
org.apache.calcite.sql2rel.SqlNodeToRexConverterImpl.convertLiteral(SqlNodeToRexConverterImpl.java:112)
    at 
org.apache.calcite.sql2rel.SqlToRelConverter$Blackboard.visit(SqlToRelConverter.java:5508)
    at 
org.apache.calcite.sql2rel.SqlToRelConverter$Blackboard.visit(SqlToRelConverter.java:4702)
    at org.apache.calcite.sql.SqlLiteral.accept(SqlLiteral.java:570)
    at 
org.apache.calcite.sql2rel.SqlToRelConverter$Blackboard.convertExpression(SqlToRelConverter.java:5351)
    at 
org.apache.calcite.sql2rel.StandardConvertletTable.convertOperands(StandardConvertletTable.java:971)
    at 
org.apache.calcite.sql2rel.StandardConvertletTable.convertOperands(StandardConvertletTable.java:963)
    at 
org.apache.calcite.sql2rel.StandardConvertletTable.convertFunction(StandardConvertletTable.java:728)
 !image-2025-05-30-21-02-43-251.png!



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