godfreyhe commented on a change in pull request #12728:
URL: https://github.com/apache/flink/pull/12728#discussion_r444047393



##########
File path: 
flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/TableEnvironmentImpl.java
##########
@@ -705,7 +705,7 @@ public TableResult executeInternal(QueryOperation 
operation) {
                                        .tableSchema(operation.getTableSchema())
                                        
.data(resultProvider.getResultIterator())
                                        
.setPrintStyle(TableResultImpl.PrintStyle.tableau(
-                                                       
PrintUtils.MAX_COLUMN_WIDTH, PrintUtils.NULL_COLUMN, isStreamingMode))
+                                                       
PrintUtils.MAX_COLUMN_WIDTH, PrintUtils.NULL_COLUMN, true, isStreamingMode))

Review comment:
       The batch select result may be very large to be stored in local java 
heap memory, so I prefer to derive column type for both mode select result.




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