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From twalthr <...@git.apache.org>
Subject [GitHub] flink pull request #3026: [FLINK-2980] [table] Support for GROUPING SETS cla...
Date Mon, 23 Jan 2017 14:13:14 GMT
Github user twalthr commented on a diff in the pull request:

    --- 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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