meetjunsu commented on a change in pull request #17542: URL: https://github.com/apache/flink/pull/17542#discussion_r735603570
########## File path: flink-formats/flink-parquet/src/main/java/org/apache/flink/formats/parquet/row/ParquetRowDataWriter.java ########## @@ -126,13 +134,27 @@ private FieldWriter createWriter(LogicalType t, Type type) { throw new UnsupportedOperationException("Unsupported type: " + type); } } else { - throw new IllegalArgumentException("Unsupported data type: " + t); + GroupType groupType = type.asGroupType(); + LogicalTypeAnnotation logicalType = type.getLogicalTypeAnnotation(); + + if (t instanceof ArrayType + && logicalType instanceof LogicalTypeAnnotation.ListLogicalTypeAnnotation) { + return new ArrayWriter(((ArrayType) t).getElementType(), groupType); + } else if (t instanceof MapType + && logicalType instanceof LogicalTypeAnnotation.MapLogicalTypeAnnotation) { + return new MapWriter( + ((MapType) t).getKeyType(), ((MapType) t).getValueType(), groupType); + } else { + return new RowWriter(t, groupType); Review comment: Sorry, I will throw a UnsupportedOperationException here -- 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: issues-unsubscr...@flink.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org