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[GitHub] [spark] amaliujia opened a new pull request, #38891: [SPARK-41372][CONNECT][PYTHON] Implement DataFrame TempView
amaliujia opened a new pull request, #38891:
URL: https://github.com/apache/spark/pull/38891
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### What changes were proposed in this pull request?
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Implement DataFrame TempView (which is createTemView and createOrReplaceTempView). This is a session local temp view which is different from the global temp view.
### Why are the changes needed?
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API coverage.
### Does this PR introduce _any_ user-facing change?
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NO
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UT
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[GitHub] [spark] xinrong-meng commented on a diff in pull request #38891: [SPARK-41372][CONNECT][PYTHON] Implement DataFrame TempView
Posted by GitBox <gi...@apache.org>.
xinrong-meng commented on code in PR #38891:
URL: https://github.com/apache/spark/pull/38891#discussion_r1039853137
##########
python/pyspark/sql/tests/connect/test_connect_basic.py:
##########
@@ -498,11 +498,23 @@ def test_create_global_temp_view(self):
self.connect.sql("SELECT 2 AS X LIMIT 1").createOrReplaceGlobalTempView("view_1")
self.assertTrue(self.spark.catalog.tableExists("global_temp.view_1"))
- # Test when creating a view which is alreayd exists but
+ # Test when creating a view which is already exists but
self.assertTrue(self.spark.catalog.tableExists("global_temp.view_1"))
with self.assertRaises(grpc.RpcError):
self.connect.sql("SELECT 1 AS X LIMIT 0").createGlobalTempView("view_1")
+ def test_create_session_local_temp_view(self):
+ # SPARK-41372: test session local temp view creation.
+ with self.tempView("view_local_temp"):
+ self.connect.sql("SELECT 1 AS X").createTempView("view_local_temp")
+ self.assertEqual(self.connect.sql("SELECT * FROM view_local_temp").count(), 1)
+ self.connect.sql("SELECT 1 AS X LIMIT 0").createOrReplaceTempView("view_local_temp")
+ self.assertEqual(self.connect.sql("SELECT * FROM view_local_temp").count(), 0)
+
+ # Test when creating a view which is already exists but
+ with self.assertRaises(grpc.RpcError):
Review Comment:
Sounds good, thanks.
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[GitHub] [spark] xinrong-meng commented on a diff in pull request #38891: [SPARK-41372][CONNECT][PYTHON] Implement DataFrame TempView
Posted by GitBox <gi...@apache.org>.
xinrong-meng commented on code in PR #38891:
URL: https://github.com/apache/spark/pull/38891#discussion_r1038646498
##########
python/pyspark/sql/connect/dataframe.py:
##########
@@ -1554,6 +1554,48 @@ def explain(
"""
print(self._explain_string(extended=extended, mode=mode))
+ def createTempView(self, name: str) -> None:
+ """Creates a local temporary view with this :class:`DataFrame`.
+
+ The lifetime of this temporary table is tied to the :class:`SparkSession`
+ that was used to create this :class:`DataFrame`.
+ throws :class:`TempTableAlreadyExistsException`, if the view name already exists in the
+ catalog.
+
+ .. versionadded:: 2.0.0
+
+ Parameters
+ ----------
+ name : str
+ Name of the view.
+ """
Review Comment:
nit:
```
Returns
-------
None
```
for consistency
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[GitHub] [spark] amaliujia commented on pull request #38891: [SPARK-41372][CONNECT][PYTHON] Implement DataFrame TempView
Posted by GitBox <gi...@apache.org>.
amaliujia commented on PR #38891:
URL: https://github.com/apache/spark/pull/38891#issuecomment-1335670598
cc @zhengruifeng @HyukjinKwon
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[GitHub] [spark] amaliujia commented on pull request #38891: [SPARK-41372][CONNECT][PYTHON] Implement DataFrame TempView
Posted by GitBox <gi...@apache.org>.
amaliujia commented on PR #38891:
URL: https://github.com/apache/spark/pull/38891#issuecomment-1335935969
also cc @xinrong-meng
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[GitHub] [spark] xinrong-meng closed pull request #38891: [SPARK-41372][CONNECT][PYTHON] Implement DataFrame TempView
Posted by GitBox <gi...@apache.org>.
xinrong-meng closed pull request #38891: [SPARK-41372][CONNECT][PYTHON] Implement DataFrame TempView
URL: https://github.com/apache/spark/pull/38891
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[GitHub] [spark] xinrong-meng commented on pull request #38891: [SPARK-41372][CONNECT][PYTHON] Implement DataFrame TempView
Posted by GitBox <gi...@apache.org>.
xinrong-meng commented on PR #38891:
URL: https://github.com/apache/spark/pull/38891#issuecomment-1337773738
Merged to master, thanks!
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[GitHub] [spark] amaliujia commented on a diff in pull request #38891: [SPARK-41372][CONNECT][PYTHON] Implement DataFrame TempView
Posted by GitBox <gi...@apache.org>.
amaliujia commented on code in PR #38891:
URL: https://github.com/apache/spark/pull/38891#discussion_r1038650800
##########
python/pyspark/sql/tests/connect/test_connect_basic.py:
##########
@@ -498,11 +498,23 @@ def test_create_global_temp_view(self):
self.connect.sql("SELECT 2 AS X LIMIT 1").createOrReplaceGlobalTempView("view_1")
self.assertTrue(self.spark.catalog.tableExists("global_temp.view_1"))
- # Test when creating a view which is alreayd exists but
+ # Test when creating a view which is already exists but
self.assertTrue(self.spark.catalog.tableExists("global_temp.view_1"))
with self.assertRaises(grpc.RpcError):
self.connect.sql("SELECT 1 AS X LIMIT 0").createGlobalTempView("view_1")
+ def test_create_session_local_temp_view(self):
+ # SPARK-41372: test session local temp view creation.
+ with self.tempView("view_local_temp"):
+ self.connect.sql("SELECT 1 AS X").createTempView("view_local_temp")
+ self.assertEqual(self.connect.sql("SELECT * FROM view_local_temp").count(), 1)
+ self.connect.sql("SELECT 1 AS X LIMIT 0").createOrReplaceTempView("view_local_temp")
+ self.assertEqual(self.connect.sql("SELECT * FROM view_local_temp").count(), 0)
+
+ # Test when creating a view which is already exists but
+ with self.assertRaises(grpc.RpcError):
Review Comment:
We don't have it now. This is a future work that we need to finish.
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[GitHub] [spark] xinrong-meng commented on a diff in pull request #38891: [SPARK-41372][CONNECT][PYTHON] Implement DataFrame TempView
Posted by GitBox <gi...@apache.org>.
xinrong-meng commented on code in PR #38891:
URL: https://github.com/apache/spark/pull/38891#discussion_r1038646904
##########
python/pyspark/sql/tests/connect/test_connect_basic.py:
##########
@@ -498,11 +498,23 @@ def test_create_global_temp_view(self):
self.connect.sql("SELECT 2 AS X LIMIT 1").createOrReplaceGlobalTempView("view_1")
self.assertTrue(self.spark.catalog.tableExists("global_temp.view_1"))
- # Test when creating a view which is alreayd exists but
+ # Test when creating a view which is already exists but
self.assertTrue(self.spark.catalog.tableExists("global_temp.view_1"))
with self.assertRaises(grpc.RpcError):
self.connect.sql("SELECT 1 AS X LIMIT 0").createGlobalTempView("view_1")
+ def test_create_session_local_temp_view(self):
+ # SPARK-41372: test session local temp view creation.
+ with self.tempView("view_local_temp"):
+ self.connect.sql("SELECT 1 AS X").createTempView("view_local_temp")
+ self.assertEqual(self.connect.sql("SELECT * FROM view_local_temp").count(), 1)
+ self.connect.sql("SELECT 1 AS X LIMIT 0").createOrReplaceTempView("view_local_temp")
+ self.assertEqual(self.connect.sql("SELECT * FROM view_local_temp").count(), 0)
+
+ # Test when creating a view which is already exists but
+ with self.assertRaises(grpc.RpcError):
Review Comment:
Out of curiosity, don't we have a way to parse `TempTableAlreadyExistsException` out of `grpc.RpcError`?
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[GitHub] [spark] xinrong-meng commented on a diff in pull request #38891: [SPARK-41372][CONNECT][PYTHON] Implement DataFrame TempView
Posted by GitBox <gi...@apache.org>.
xinrong-meng commented on code in PR #38891:
URL: https://github.com/apache/spark/pull/38891#discussion_r1038646021
##########
python/pyspark/sql/connect/dataframe.py:
##########
@@ -1554,6 +1554,48 @@ def explain(
"""
print(self._explain_string(extended=extended, mode=mode))
+ def createTempView(self, name: str) -> None:
+ """Creates a local temporary view with this :class:`DataFrame`.
+
+ The lifetime of this temporary table is tied to the :class:`SparkSession`
+ that was used to create this :class:`DataFrame`.
+ throws :class:`TempTableAlreadyExistsException`, if the view name already exists in the
+ catalog.
+
+ .. versionadded:: 2.0.0
Review Comment:
3.4.0?
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[GitHub] [spark] AmplabJenkins commented on pull request #38891: [SPARK-41372][CONNECT][PYTHON] Implement DataFrame TempView
Posted by GitBox <gi...@apache.org>.
AmplabJenkins commented on PR #38891:
URL: https://github.com/apache/spark/pull/38891#issuecomment-1336269929
Can one of the admins verify this patch?
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[GitHub] [spark] HyukjinKwon commented on a diff in pull request #38891: [SPARK-41372][CONNECT][PYTHON] Implement DataFrame TempView
Posted by GitBox <gi...@apache.org>.
HyukjinKwon commented on code in PR #38891:
URL: https://github.com/apache/spark/pull/38891#discussion_r1039073594
##########
python/pyspark/sql/connect/dataframe.py:
##########
@@ -1554,6 +1554,52 @@ def explain(
"""
print(self._explain_string(extended=extended, mode=mode))
+ def createTempView(self, name: str) -> None:
+ """Creates a local temporary view with this :class:`DataFrame`.
+
+ The lifetime of this temporary table is tied to the :class:`SparkSession`
+ that was used to create this :class:`DataFrame`.
+ throws :class:`TempTableAlreadyExistsException`, if the view name already exists in the
+ catalog.
+
+ .. versionadded:: 3.4.0
+
+ Parameters
+ ----------
+ name : str
+ Name of the view.
+
+ Returns
+ -------
+ None
+ """
Review Comment:
```suggestion
"""
```
##########
python/pyspark/sql/connect/dataframe.py:
##########
@@ -1554,6 +1554,52 @@ def explain(
"""
print(self._explain_string(extended=extended, mode=mode))
+ def createTempView(self, name: str) -> None:
+ """Creates a local temporary view with this :class:`DataFrame`.
+
+ The lifetime of this temporary table is tied to the :class:`SparkSession`
+ that was used to create this :class:`DataFrame`.
+ throws :class:`TempTableAlreadyExistsException`, if the view name already exists in the
+ catalog.
+
+ .. versionadded:: 3.4.0
+
+ Parameters
+ ----------
+ name : str
+ Name of the view.
+
+ Returns
+ -------
+ None
+ """
+ command = plan.CreateView(
+ child=self._plan, name=name, is_global=False, replace=False
+ ).command(session=self._session.client)
+ self._session.client.execute_command(command)
+
+ def createOrReplaceTempView(self, name: str) -> None:
+ """Creates or replaces a local temporary view with this :class:`DataFrame`.
+
+ The lifetime of this temporary table is tied to the :class:`SparkSession`
+ that was used to create this :class:`DataFrame`.
+
+ .. versionadded:: 3.4.0
+
+ Parameters
+ ----------
+ name : str
+ Name of the view.
+
+ Returns
+ -------
+ None
Review Comment:
```suggestion
```
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