Hi,
As the message said, some columns share the same names. You could first rename
the columns of one table with the `as` operation [1].
Best,
Xingcan
[1]
https://ci.apache.org/projects/flink/flink-docs-master/dev/table/tableApi.html#scan-projection-and-filter
> On Mar 15, 2019, at 9:03 AM,
Exception in thread "main" org.apache.flink.table.api.ValidationException: join
relations with ambiguous names: id, name, value
at
org.apache.flink.table.plan.logical.LogicalNode.failValidation(LogicalNode.scala:156)
at
org.apache.flink.table.plan.logical.Join.validate(operators.