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ASF GitHub Bot commented on FLINK-5220: --------------------------------------- Github user fhueske commented on a diff in the pull request: https://github.com/apache/flink/pull/2923#discussion_r91706582 --- Diff: flink-libraries/flink-table/src/main/scala/org/apache/flink/api/table/sources/ProjectableTableSource.scala --- @@ -0,0 +1,38 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package org.apache.flink.api.table.sources + +/** + * Defines TableSource which supports project pushdown. + * E.g A definition of TestBatchTableSource which supports project --- End diff -- I think test classes should not be referenced from the documentation of an API class. > Flink SQL projection pushdown > ----------------------------- > > Key: FLINK-5220 > URL: https://issues.apache.org/jira/browse/FLINK-5220 > Project: Flink > Issue Type: Improvement > Components: Table API & SQL > Reporter: zhangjing > Assignee: zhangjing > > The jira is to do projection pushdown optimization. Please go forward to the > the design document for more details. -- This message was sent by Atlassian JIRA (v6.3.4#6332)