dianfu commented on a change in pull request #10593:
[FLINK-15271][python][docs] Add documentation about the environment
requirements for running Python UDF
URL: https://github.com/apache/flink/pull/10593#discussion_r358572258
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File path: docs/dev/table/functions/udfs.md
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@@ -176,6 +176,8 @@ table_env.sql_query("SELECT string, bigint,
hashCode(string), py_hash_code(bigin
There are many ways to define a Python scalar function besides extending the
base class `ScalarFunction`. The following example shows the different ways to
define a Python scalar function which takes two columns of bigint as input
parameters and returns the sum of them as the result.
+<span class="label label-info">Note</span> Python 3.5+ and apache-beam==2.15.0
are required to run the python `ScalarFunction`.
Review comment:
ScalarFunction -> scalar function?
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