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Posted to issues@flink.apache.org by GitBox <gi...@apache.org> on 2019/06/10 12:56:40 UTC

[GitHub] [flink] WeiZhong94 commented on a change in pull request #8675: [FLINK-12716][python] Add an interactive shell for Python Table API

WeiZhong94 commented on a change in pull request #8675: [FLINK-12716][python] Add an interactive shell for Python Table API
URL: https://github.com/apache/flink/pull/8675#discussion_r291996730
 
 

 ##########
 File path: docs/ops/python_shell.md
 ##########
 @@ -0,0 +1,182 @@
+---
+title: "Python REPL"
+nav-parent_id: ops
+nav-pos: 7
+---
+<!--
+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.
+-->
+
+Flink comes with an integrated interactive Python Shell.
+It can be used in a local setup as well as in a cluster setup.
+
+To use the shell with an integrated Flink cluster just execute:
+
+{% highlight bash %}
+bin/pyflink-shell.sh local
+{% endhighlight %}
+
+in the root directory of your binary Flink directory. To run the Shell on a
+cluster, please see the Setup section below.
+
+## Usage
+
+The shell supports Table API currently. 
+The Table Environment are automatically prebound after startup. 
+Use "bt_env" and "st_env" to access BatchTableEnvironment and StreamTableEnvironment respectively.
+
+### Table API
+
+The example below is a wordcount program using Table API:
+<div class="codetabs" markdown="1">
+<div data-lang="batch" markdown="1">
+{% highlight python %}
+>>>import tempfile
 
 Review comment:
   How about add a space " " between ">>>" and the python code?

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