Github user twalthr commented on a diff in the pull request:
https://github.com/apache/flink/pull/3026#discussion_r97307329
--- Diff:
flink-libraries/flink-table/src/main/scala/org/apache/flink/table/api/table.scala
---
@@ -15,14 +15,17 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
+
package org.apache.flink.table.api
import org.apache.calcite.rel.RelNode
+import org.apache.calcite.sql.SqlKind
+import org.apache.calcite.tools.RelBuilder
import org.apache.flink.api.common.typeinfo.TypeInformation
import org.apache.flink.api.java.operators.join.JoinType
import org.apache.flink.table.calcite.FlinkTypeFactory
-import org.apache.flink.table.plan.logical.Minus
-import org.apache.flink.table.expressions.{Alias, Asc, Call, Expression,
ExpressionParser, Ordering, TableFunctionCall, UnresolvedAlias}
+import org.apache.flink.table.plan.logical.{Minus => MinusNode}
+import org.apache.flink.table.expressions._
--- End diff --
Is this import and the renaming of Minus really necessary?
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