Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

feat(pyspark): support ibis.pyspark.connect() #8515

Merged
merged 1 commit into from
Mar 1, 2024
Merged

feat(pyspark): support ibis.pyspark.connect() #8515

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
7 changes: 6 additions & 1 deletion ibis/backends/pyspark/__init__.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -130,7 +130,7 @@ def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self._cached_dataframes = {}

def do_connect(self, session: SparkSession) -> None:
def do_connect(self, session: SparkSession | None = None) -> None:
"""Create a PySpark `Backend` for use with Ibis.

Parameters
Expand All @@ -147,6 +147,11 @@ def do_connect(self, session: SparkSession) -> None:
<ibis.backends.pyspark.Backend at 0x...>

"""
if session is None:
from pyspark.sql import SparkSession

session = SparkSession.builder.getOrCreate()

self._context = session.sparkContext
self._session = session

Expand Down
6 changes: 6 additions & 0 deletions ibis/backends/pyspark/tests/test_basic.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -125,3 +125,9 @@ def test_string_literal_backslash_escaping(con):
expr = ibis.literal("\\d\\e")
result = con.execute(expr)
assert result == "\\d\\e"


def test_connect_without_explicit_session():
con = ibis.pyspark.connect()
result = con.sql("SELECT CAST(1 AS BIGINT) as foo").to_pandas()
tm.assert_frame_equal(result, pd.DataFrame({"foo": [1]}))
Loading