hackergin commented on code in PR #23130: URL: https://github.com/apache/flink/pull/23130#discussion_r1290469170
########## docs/content/docs/dev/table/sql/call.md: ########## @@ -0,0 +1,118 @@ +--- +title: "CALL Statements" +weight: 19 +type: docs +aliases: +- /dev/table/sql/call.html +--- +<!-- +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. +--> + +# Call Statements + +`Call` statements are used to call a stored procedure which is usually provided to perform data manipulation or administrative tasks. + +<span class="label label-danger">Attention</span> Currently, `Call` statements require the procedure called to exist in the corresponding catalog. So, please make sure the procedure exists in the catalog. +If it doesn't exist, it'll throw an exception. You may need to refer to the doc of the catalog to see the available procedures. To implement an procedure, please refer to [Procedure]({{< ref "docs/dev/table/procedures" >}}). + +## Run a CALL statement + +{{< tabs "call statement" >}} + +{{< tab "Java" >}} + +CALL statements can be executed with the `executeSql()` method of the `TableEnvironment`. The `executeSql()` will call the procedure immediately, and return a `TableResult` instance which associates the procedure. + +The following examples show how to run a CALL statement in `TableEnvironment`. + +{{< /tab >}} +{{< tab "Scala" >}} + +CALL statements can be executed with the `executeSql()` method of the `TableEnvironment`. The `executeSql()` will call the procedure immediately, and return a `TableResult` instance which associates the procedure. + +The following examples show how to run a single CALL statement in `TableEnvironment`. +{{< /tab >}} +{{< tab "Python" >}} + +CALL statements can be executed with the `execute_sql()` method of the `TableEnvironment`. The `executeSql()` will call the procedure immediately, and return a `TableResult` instance which associates the procedure. + +The following examples show how to run a single CALL statement in `TableEnvironment`. Review Comment: ```suggestion The following examples show how to execute a single CALL statement in `TableEnvironment`. ``` -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: issues-unsubscr...@flink.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org
