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[FLINK-20994][python] Add public method to create TableEnvironment in PyFlink. #14760

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merged 1 commit into from Feb 23, 2021

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WeiZhong94
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What is the purpose of the change

This pull request adds public method to create TableEnvironment in PyFlink.

Brief change log

  • Add public method to create TableEnvironment in PyFlink.
  • Add related documents.

Verifying this change

This change is already covered by existing tests.

Does this pull request potentially affect one of the following parts:

  • Dependencies (does it add or upgrade a dependency): (no)
  • The public API, i.e., is any changed class annotated with @Public(Evolving): (yes)
  • The serializers: (no)
  • The runtime per-record code paths (performance sensitive): (no)
  • Anything that affects deployment or recovery: JobManager (and its components), Checkpointing, Kubernetes/Yarn/Mesos, ZooKeeper: (no)
  • The S3 file system connector: (no)

Documentation

  • Does this pull request introduce a new feature? (no)
  • If yes, how is the feature documented? (docs)

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flinkbot commented Jan 26, 2021

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@HuangXingBo HuangXingBo left a comment

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@WeiZhong94 Thanks a lot for the PR. LGTM. I only left a minor code style suggestion.

@@ -1045,7 +1059,8 @@ def register_java_function(self, name: str, function_class_name: str):
.loadClass(function_class_name).newInstance()
# this is a temporary solution and will be unified later when we use the new type
# system(DataType) to replace the old type system(TypeInformation).
if self._is_blink_planner and isinstance(self, BatchTableEnvironment):
if self._is_blink_planner and not isinstance(self, StreamTableEnvironment) \
or self._unified:
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in one line?

@@ -1090,7 +1105,8 @@ def register_function(self, name: str, function: UserDefinedFunctionWrapper):
java_function = function._java_user_defined_function()
# this is a temporary solution and will be unified later when we use the new type
# system(DataType) to replace the old type system(TypeInformation).
if self._is_blink_planner and isinstance(self, BatchTableEnvironment):
if self._is_blink_planner and isinstance(self, BatchTableEnvironment) \
or self._unified:
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ditto

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@HuangXingBo Thanks for your review. I have updated this PR.

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@flinkbot run azure

@WeiZhong94 WeiZhong94 merged commit 3f99f29 into apache:master Feb 23, 2021
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