dominikgehl commented on a change in pull request #33394:
URL: https://github.com/apache/spark/pull/33394#discussion_r672114383
##########
File path: python/pyspark/sql/readwriter.py
##########
@@ -742,10 +743,16 @@ def save(self, path=None, format=None, mode=None,
partitionBy=None, **options):
def insertInto(self, tableName, overwrite=None):
"""Inserts the content of the :class:`DataFrame` to the specified
table.
+ Optionally overwriting any existing data.
Review comment:
Done
##########
File path: python/pyspark/sql/readwriter.py
##########
@@ -766,6 +773,13 @@ def saveAsTable(self, name, format=None, mode=None,
partitionBy=None, **options)
.. versionadded:: 1.4.0
+ Notes
+ -----
+ When `mode` is `Append`, if there is an existing table, we will use
the format and
+ options of the existing table. The column order in the schema of the
`DataFrame` doesn't
Review comment:
Done
##########
File path: python/pyspark/sql/readwriter.py
##########
@@ -742,10 +743,16 @@ def save(self, path=None, format=None, mode=None,
partitionBy=None, **options):
def insertInto(self, tableName, overwrite=None):
"""Inserts the content of the :class:`DataFrame` to the specified
table.
+ Optionally overwriting any existing data.
+
It requires that the schema of the :class:`DataFrame` is the same as
the
schema of the table.
- Optionally overwriting any existing data.
+ Notes
+ -----
+ Unlike `saveAsTable`, `insertInto` ignores the column names and just
uses
Review comment:
Done
##########
File path: python/pyspark/sql/readwriter.py
##########
@@ -766,6 +773,13 @@ def saveAsTable(self, name, format=None, mode=None,
partitionBy=None, **options)
.. versionadded:: 1.4.0
+ Notes
+ -----
+ When `mode` is `Append`, if there is an existing table, we will use
the format and
+ options of the existing table. The column order in the schema of the
`DataFrame` doesn't
+ need to be same as that of the existing table. Unlike `insertInto`,
`saveAsTable` will use
Review comment:
Done
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