From issues-return-132637-apmail-flink-issues-archive=flink.apache.org@flink.apache.org Tue Sep 26 16:44:07 2017 Return-Path: X-Original-To: apmail-flink-issues-archive@minotaur.apache.org Delivered-To: apmail-flink-issues-archive@minotaur.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 1A1E910ED5 for ; Tue, 26 Sep 2017 16:44:07 +0000 (UTC) Received: (qmail 61518 invoked by uid 500); 26 Sep 2017 16:44:07 -0000 Delivered-To: apmail-flink-issues-archive@flink.apache.org Received: (qmail 61472 invoked by uid 500); 26 Sep 2017 16:44:06 -0000 Mailing-List: contact issues-help@flink.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@flink.apache.org Delivered-To: mailing list issues@flink.apache.org Received: (qmail 61461 invoked by uid 99); 26 Sep 2017 16:44:06 -0000 Received: from pnap-us-west-generic-nat.apache.org (HELO spamd3-us-west.apache.org) (209.188.14.142) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 26 Sep 2017 16:44:06 +0000 Received: from localhost (localhost [127.0.0.1]) by spamd3-us-west.apache.org (ASF Mail Server at spamd3-us-west.apache.org) with ESMTP id 7B5DC182128 for ; Tue, 26 Sep 2017 16:44:06 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at spamd3-us-west.apache.org X-Spam-Flag: NO X-Spam-Score: -99.202 X-Spam-Level: X-Spam-Status: No, score=-99.202 tagged_above=-999 required=6.31 tests=[KAM_ASCII_DIVIDERS=0.8, RP_MATCHES_RCVD=-0.001, SPF_PASS=-0.001, USER_IN_WHITELIST=-100] autolearn=disabled Received: from mx1-lw-eu.apache.org ([10.40.0.8]) by localhost (spamd3-us-west.apache.org [10.40.0.10]) (amavisd-new, port 10024) with ESMTP id x7W_R03_LApp for ; Tue, 26 Sep 2017 16:44:05 +0000 (UTC) Received: from mailrelay1-us-west.apache.org (mailrelay1-us-west.apache.org [209.188.14.139]) by mx1-lw-eu.apache.org (ASF Mail Server at mx1-lw-eu.apache.org) with ESMTP id 9C5E260E4C for ; Tue, 26 Sep 2017 16:44:04 +0000 (UTC) Received: from jira-lw-us.apache.org (unknown [207.244.88.139]) by mailrelay1-us-west.apache.org (ASF Mail Server at mailrelay1-us-west.apache.org) with ESMTP id DA49AE2570 for ; Tue, 26 Sep 2017 16:44:02 +0000 (UTC) Received: from jira-lw-us.apache.org (localhost [127.0.0.1]) by jira-lw-us.apache.org (ASF Mail Server at jira-lw-us.apache.org) with ESMTP id B14BC242B6 for ; Tue, 26 Sep 2017 16:44:01 +0000 (UTC) Date: Tue, 26 Sep 2017 16:44:01 +0000 (UTC) From: "ASF GitHub Bot (JIRA)" To: issues@flink.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (FLINK-7491) Support COLLECT Aggregate function in Flink SQL MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 [ https://issues.apache.org/jira/browse/FLINK-7491?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16181107#comment-16181107 ] ASF GitHub Bot commented on FLINK-7491: --------------------------------------- Github user fhueske commented on a diff in the pull request: https://github.com/apache/flink/pull/4585#discussion_r141096324 --- Diff: flink-core/src/main/java/org/apache/flink/api/java/typeutils/MultisetTypeInfo.java --- @@ -0,0 +1,133 @@ +/* + * 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.java.typeutils; + +import org.apache.flink.annotation.PublicEvolving; +import org.apache.flink.api.common.typeinfo.BasicTypeInfo; +import org.apache.flink.api.common.typeinfo.TypeInformation; + +import java.util.Map; + +import static org.apache.flink.util.Preconditions.checkNotNull; + +/** + * A {@link TypeInformation} for the Multiset types of the Java API. + * + * @param The type of the elements in the Multiset. + */ +@PublicEvolving +public final class MultisetTypeInfo extends MapTypeInfo { + + private static final long serialVersionUID = 1L; + + + public MultisetTypeInfo(Class elementTypeClass) { + super(elementTypeClass, Integer.class); + } + + public MultisetTypeInfo(TypeInformation elementTypeInfo) { + super(elementTypeInfo, BasicTypeInfo.INT_TYPE_INFO); + } + + // ------------------------------------------------------------------------ + // MultisetTypeInfo specific properties + // ------------------------------------------------------------------------ + + /** + * Gets the type information for the elements contained in the Multiset + */ + public TypeInformation getElementTypeInfo() { + return getKeyTypeInfo(); + } + + // ------------------------------------------------------------------------ + // TypeInformation implementation + // ------------------------------------------------------------------------ + + @Override + public boolean isBasicType() { + return false; + } + + @Override + public boolean isTupleType() { + return false; + } + + @Override + public int getArity() { --- End diff -- implemented by `MapTypeInfo`, no need to override. > Support COLLECT Aggregate function in Flink SQL > ----------------------------------------------- > > Key: FLINK-7491 > URL: https://issues.apache.org/jira/browse/FLINK-7491 > Project: Flink > Issue Type: New Feature > Components: Table API & SQL > Reporter: Shuyi Chen > Assignee: Shuyi Chen > -- This message was sent by Atlassian JIRA (v6.4.14#64029)