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1065/enhancement/add ctx to __init__.py #1072

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2fb8c07
Add ctx = SessionContext() to
Spaarsh Mar 17, 2025
7e89531
Merge branch 'apache:main' into 1065/add-ctx-to-init
Spaarsh Mar 17, 2025
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3 changes: 3 additions & 0 deletions python/datafusion/__init__.py
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Original file line number Diff line number Diff line change
Expand Up @@ -50,6 +50,8 @@
from .record_batch import RecordBatch, RecordBatchStream
from .udf import Accumulator, AggregateUDF, ScalarUDF, WindowUDF, udaf, udf, udwf

ctx = SessionContext()

__version__ = importlib_metadata.version(__name__)

__all__ = [
Expand All @@ -76,6 +78,7 @@
"col",
"column",
"common",
"ctx",
"expr",
"functions",
"lit",
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13 changes: 13 additions & 0 deletions python/tests/test_context.py
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Expand Up @@ -36,6 +36,19 @@ def test_create_context_no_args():
SessionContext()


def test_default_ctx_instance():
"""Test that the default ctx instance works correctly"""
from datafusion import SessionContext, ctx

# Test that ctx is an instance of SessionContext
assert isinstance(ctx, SessionContext)

# Test basic functionality
df = ctx.sql("SELECT 1 as num")
result = df.collect()
assert len(result) == 1


def test_create_context_session_config_only():
SessionContext(config=SessionConfig())

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