feat(snowflake): set QUOTED_IDENTIFIERS_IGNORE_CASE on session

docs/metaflow/publish.md

@@ -106,3 +106,6 @@ Notes:
 - Invalid `status`/`sla` values raise `ValueError` before any data is written.
 - Tagged tables surface in the `TABLE_OWNERSHIP_REGISTRY` view (see
   [Table-ownership registry view](table_ownership_registry.md)).
+- The underlying Snowflake session always has `QUOTED_IDENTIFIERS_IGNORE_CASE = TRUE`
+  set (`snowflake_connection.py`), so quoted identifiers in `query`/`audits` resolve
+  case-insensitively.

docs/metaflow/publish_pandas.md

@@ -80,6 +80,12 @@ publish_pandas(
   until then tagging is **skipped with a warning** and the publish still succeeds.
 - Invalid `status`/`sla` values raise `ValueError` before any data is written.
 
+## Notes
+
+- The underlying Snowflake session always has `QUOTED_IDENTIFIERS_IGNORE_CASE = TRUE`
+  set (`snowflake_connection.py`), so quoted identifiers resolve case-insensitively
+  regardless of `quote_identifiers`.
+
 ## Limitations
 
 - When `use_s3_stage=True`, some column data types may not map exactly as expected between pandas/parquet and Snowflake.

docs/metaflow/query_pandas_from_snowflake.md

@@ -35,6 +35,12 @@ query_pandas_from_snowflake(
 
 **Returns:** `pd.DataFrame` query results with lowercase column names.
 
+## Notes
+
+- The underlying Snowflake session always has `QUOTED_IDENTIFIERS_IGNORE_CASE = TRUE`
+  set (`snowflake_connection.py`), so quoted identifiers in `query` resolve
+  case-insensitively.
+
 ## Limitations
 
 - `use_s3_stage` does not support Snowflake `TIMESTAMP_TZ` and `TIMESTAMP_LTZ` data types.

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "ds-platform-utils"
-version = "0.5.0"
+version = "0.5.1"
 description = "Utility library for Pattern Data Science."
 readme = "README.md"
 authors = [

src/ds_platform_utils/metaflow/snowflake_connection.py

@@ -88,6 +88,7 @@ def _create_snowflake_connection(
     # so we have to execute a raw query to set it.
     try:
         conn.execute_string("USE WAREHOUSE {}".format(warehouse))
+        conn.execute_string("ALTER SESSION SET QUOTED_IDENTIFIERS_IGNORE_CASE = TRUE")
     except Exception as e:
         raise RuntimeError(f"Failed to set Snowflake warehouse to {warehouse}: {e}") from e