Return-Path: X-Original-To: archive-asf-public-internal@cust-asf2.ponee.io Delivered-To: archive-asf-public-internal@cust-asf2.ponee.io Received: from cust-asf.ponee.io (cust-asf.ponee.io [163.172.22.183]) by cust-asf2.ponee.io (Postfix) with ESMTP id 9DC9A200CC5 for ; Tue, 11 Jul 2017 12:41:09 +0200 (CEST) Received: by cust-asf.ponee.io (Postfix) id 9C52816598C; Tue, 11 Jul 2017 10:41:09 +0000 (UTC) Delivered-To: archive-asf-public@cust-asf.ponee.io Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by cust-asf.ponee.io (Postfix) with SMTP id E2334165981 for ; Tue, 11 Jul 2017 12:41:08 +0200 (CEST) Received: (qmail 89436 invoked by uid 500); 11 Jul 2017 10:41:08 -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 89427 invoked by uid 99); 11 Jul 2017 10:41:08 -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, 11 Jul 2017 10:41:08 +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 72227195836 for ; Tue, 11 Jul 2017 10:41:07 +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 ckf1WUZ7g1fR for ; Tue, 11 Jul 2017 10:41:06 +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 4DBE06243E for ; Tue, 11 Jul 2017 10:41:06 +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 C6134E07DD for ; Tue, 11 Jul 2017 10:41:04 +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 1026C246B0 for ; Tue, 11 Jul 2017 10:41:02 +0000 (UTC) Date: Tue, 11 Jul 2017 10:41:02 +0000 (UTC) From: "Xiaojun Jin (JIRA)" To: issues@flink.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (FLINK-7145) Flink SQL API should support multiple parameters for UserDefinedAggFunction MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 archived-at: Tue, 11 Jul 2017 10:41:09 -0000 [ https://issues.apache.org/jira/browse/FLINK-7145?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16082021#comment-16082021 ] Xiaojun Jin commented on FLINK-7145: ------------------------------------ [~jark] [~fhueske] Calcite does not support multiple parameters for UDAF and supports multiple parameters for UDF and UDTF only. Please refer to[CALCITE-1833|https://issues.apache.org/jira/browse/CALCITE-1833] We have developed some features in calcite and are contributing to the calcite community including the multiple parameters for UDAF. > Flink SQL API should support multiple parameters for UserDefinedAggFunction > --------------------------------------------------------------------------- > > Key: FLINK-7145 > URL: https://issues.apache.org/jira/browse/FLINK-7145 > Project: Flink > Issue Type: New Feature > Components: Table API & SQL > Reporter: yuemeng > > UDAF such as topK and some other udaf with bloom filter need more than one parameters ,we should make flink sql support this. > base on flink sql support DML and multiple parameters udaf,we can execute sql like: > {code} > CREATE TEMPORARY function 'TOPK' AS 'com.xxxx.aggregate.udaf.distinctUdaf.topk.ITopKUDAF'; > INSERT INTO db_sink SELECT id, TOPK(price, 5, 'DESC') FROM kafka_source GROUP BY id; > {code} -- This message was sent by Atlassian JIRA (v6.4.14#64029)