SNOW-2912540: inline _create_temp_stage and _create_temp_file_format into analyzer_utils - #4308
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…into analyzer_utils Removes the dependency on these private snowflake-connector-python functions (previously imported from connector.pandas_tools). Ports the implementation from universal-driver PR #518 directly into Snowpark so the connector no longer needs to expose staging helpers as part of its public surface. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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This was referenced Aug 6, 2026
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August 17, 2026 17:58
…inline-pandas-staging-helpers
…ned pandas staging helpers black never ran on the ported code (4 blocks needed line-wrapping). The two cursor.execute(..., _force_qmark_paramstyle=True) calls also fail pyright: SnowflakeCursor.execute's two @overload stubs in snowflake-connector-python never declare _force_qmark_paramstyle, only the real implementation signature does. That gap was invisible while this code lived in the connector package; porting it into analyzer_utils.py exposes it to Snowpark's own pyright run.
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## SNOW-2912540-remove-connector-shims #4308 +/- ##
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- Coverage 89.08% 80.99% -8.10%
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Files 170 170
Lines 44624 44663 +39
Branches 7675 7677 +2
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- Hits 39755 36174 -3581
- Misses 3721 6969 +3248
- Partials 1148 1520 +372 ☔ View full report in Codecov by Harness. 🚀 New features to boost your workflow:
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Ports the
_create_temp_stageand_create_temp_file_formatimplementations from the Universal Driver connector (PR snowflake-eng/drivers#518) directly into Snowpark'sanalyzer_utils.py, removing the dependency on these privatesnowflake.connector.pandas_toolssymbols.Changes:
analyzer_utils.py: Remove the three connector imports (_create_temp_stage,_create_temp_file_format,build_location_helper). Add local implementations of all staging helpers:_qualify_name/build_location_helper,_pandas_generate_temp_name,_pandas_create_temp_object,_stage_sql,_file_format_sql,_create_temp_stage,_create_temp_file_format._create_temp_file_formatcall site inwrite_arrow: the local impl maps compression internally (like PR SNOW-667858:to_pandaswill only convertTimestampTypes to a native pandas date format, and notDateTypes #518), so the caller no longer pre-maps viacompression_map[compression].black-format the ported code, and suppress apyrightoverload error on the twocursor.execute(..., _force_qmark_paramstyle=True)calls in_pandas_create_temp_object:_force_qmark_paramstyleis declared only onSnowflakeCursor.execute's real implementation signature in snowflake-connector-python, not on either of its two@overloadstubs — a latent stub gap invisible while this code lived inside the connector package, now exposed since it lives in Snowpark's own pyright-checked source tree.Companion: snowflake-eng/drivers#518 (which implements the same functions in the UD connector for its own
write_pandasflow — the two implementations are kept in sync).Checklist
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