fix: lowercase column names snowflake

eakmanrq · eakmanrq · commit 434c052a000f · 2025-09-22T15:58:00.000-07:00
diff --git a/sqlmesh/core/engine_adapter/snowflake.py b/sqlmesh/core/engine_adapter/snowflake.py
@@ -526,7 +526,8 @@ def _get_data_objects(
                 type=DataObjectType.from_str(row.type),  # type: ignore
                 clustering_key=row.clustering_key,  # type: ignore
             )
-            for row in df.itertuples()
+            # lowercase the column names for cases where Snowflake might return uppercase column names for certain catalogs
+            for row in df.rename(columns={col: col.lower() for col in df.columns}).itertuples()
         ]
 
     def set_current_catalog(self, catalog: str) -> None:

Original file line number	Diff line number	Diff line change
`@@ -526,7 +526,8 @@ def _get_data_objects(`
`526`	`526`	`type=DataObjectType.from_str(row.type), # type: ignore`
`527`	`527`	`clustering_key=row.clustering_key, # type: ignore`
`528`	`528`	`)`
`529`		`- for row in df.itertuples()`
	`529`	`+ # lowercase the column names for cases where Snowflake might return uppercase column names for certain catalogs`
	`530`	`+ for row in df.rename(columns={col: col.lower() for col in df.columns}).itertuples()`
`530`	`531`	`]`
`531`	`532`
`532`	`533`	`def set_current_catalog(self, catalog: str) -> None:`