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Posted to reviews@spark.apache.org by GitBox <gi...@apache.org> on 2021/06/24 05:29:36 UTC
[GitHub] [spark] HyukjinKwon opened a new pull request #33050: [SPARK-35301][PYTHON][DOCS] Document migration guide from Koalas to pandas APIs on Spark
HyukjinKwon opened a new pull request #33050:
URL: https://github.com/apache/spark/pull/33050
### What changes were proposed in this pull request?
This PR proposes to add a migration guide for legacy Koalas users in pandas API on Spark.
### Why are the changes needed?
For easier migration.
### Does this PR introduce _any_ user-facing change?
Yes, this adds a new page for migration from Koalas.
### How was this patch tested?
Manually built the docs and checked manually.
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[GitHub] [spark] HyukjinKwon closed pull request #33050: [SPARK-35301][PYTHON][DOCS] Document migration guide from Koalas to pandas APIs on Spark
Posted by GitBox <gi...@apache.org>.
HyukjinKwon closed pull request #33050:
URL: https://github.com/apache/spark/pull/33050
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[GitHub] [spark] HyukjinKwon commented on pull request #33050: [SPARK-35301][PYTHON][DOCS] Document migration guide from Koalas to pandas APIs on Spark
Posted by GitBox <gi...@apache.org>.
HyukjinKwon commented on pull request #33050:
URL: https://github.com/apache/spark/pull/33050#issuecomment-867348168
cc @ueshin @itholic @xinrong-databricks FYI
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[GitHub] [spark] SparkQA commented on pull request #33050: [SPARK-35301][PYTHON][DOCS] Document migration guide from Koalas to pandas APIs on Spark
Posted by GitBox <gi...@apache.org>.
SparkQA commented on pull request #33050:
URL: https://github.com/apache/spark/pull/33050#issuecomment-867348889
**[Test build #140244 has started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/140244/testReport)** for PR 33050 at commit [`512ccf9`](https://github.com/apache/spark/commit/512ccf944db7beb2ef9c3b0ce6e3ff5a4ae4327b).
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[GitHub] [spark] AmplabJenkins commented on pull request #33050: [SPARK-35301][PYTHON][DOCS] Document migration guide from Koalas to pandas APIs on Spark
Posted by GitBox <gi...@apache.org>.
AmplabJenkins commented on pull request #33050:
URL: https://github.com/apache/spark/pull/33050#issuecomment-867379314
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URL: https://github.com/apache/spark/pull/33050#issuecomment-867379314
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Posted by GitBox <gi...@apache.org>.
SparkQA removed a comment on pull request #33050:
URL: https://github.com/apache/spark/pull/33050#issuecomment-867348889
**[Test build #140244 has started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/140244/testReport)** for PR 33050 at commit [`512ccf9`](https://github.com/apache/spark/commit/512ccf944db7beb2ef9c3b0ce6e3ff5a4ae4327b).
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[GitHub] [spark] SparkQA commented on pull request #33050: [SPARK-35301][PYTHON][DOCS] Document migration guide from Koalas to pandas APIs on Spark
Posted by GitBox <gi...@apache.org>.
SparkQA commented on pull request #33050:
URL: https://github.com/apache/spark/pull/33050#issuecomment-867368554
Kubernetes integration test unable to build dist.
exiting with code: 1
URL: https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder-K8s/44773/
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[GitHub] [spark] itholic commented on a change in pull request #33050: [SPARK-35301][PYTHON][DOCS] Document migration guide from Koalas to pandas APIs on Spark
Posted by GitBox <gi...@apache.org>.
itholic commented on a change in pull request #33050:
URL: https://github.com/apache/spark/pull/33050#discussion_r657651295
##########
File path: python/docs/source/migration_guide/koalas_to_pyspark.rst
##########
@@ -0,0 +1,36 @@
+.. 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.
+
+
+============================================
+Migrating from Koalas to pandas API on Spark
+============================================
+
+* The package name to import should be changed to ``pyspark.pandas`` from ``databricks.koalas``.
+
+ .. code-block:: python
+
+ # import databricks.koalas as ks
+ import pyspark.pandas as ps
+
+* ``DataFrame.koalas`` in Koalas DataFrame was renamed to ``DataFrame.pandas_on_spark`` in pandas-on-Spark DataFrame. ``DataFrame.koalas`` was kept for compatibility reason but deprecated as of Spark 3.2.
+ ``DataFrame.koalas`` will be removed in the future releases.
+
+* Monkey-patched ``DataFrame.to_koalas`` in PySpark DataFrame was renamed to ``DataFrame.to_pandas_on_spark`` in PySpark DataFrame. ``DataFrame.to_koalas`` was kept for compatibility reason but deprecated as of Spark 3.2.
+ ``DataFrame.to_koalas`` will be removed in the future releases.
+
+* ``databricks.koalas.__version__`` was removed. ``pyspark.__version__`` should be used instead.
Review comment:
I'll create the ticket and handle the version.
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[GitHub] [spark] HyukjinKwon commented on pull request #33050: [SPARK-35301][PYTHON][DOCS] Document migration guide from Koalas to pandas APIs on Spark
Posted by GitBox <gi...@apache.org>.
HyukjinKwon commented on pull request #33050:
URL: https://github.com/apache/spark/pull/33050#issuecomment-867465696
Thanks all. Merged to master.
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[GitHub] [spark] SparkQA commented on pull request #33050: [SPARK-35301][PYTHON][DOCS] Document migration guide from Koalas to pandas APIs on Spark
Posted by GitBox <gi...@apache.org>.
SparkQA commented on pull request #33050:
URL: https://github.com/apache/spark/pull/33050#issuecomment-867359826
**[Test build #140244 has finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/140244/testReport)** for PR 33050 at commit [`512ccf9`](https://github.com/apache/spark/commit/512ccf944db7beb2ef9c3b0ce6e3ff5a4ae4327b).
* This patch passes all tests.
* This patch merges cleanly.
* This patch adds no public classes.
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