fix(powerbi): conditionally convert column names to lowercase in lineage mapping

aviraj-gour · aviraj-gour · commit a4917bc23512 · 2026-04-01T19:54:33.000+05:30
diff --git a/metadata-ingestion/src/datahub/ingestion/source/powerbi/powerbi.py b/metadata-ingestion/src/datahub/ingestion/source/powerbi/powerbi.py
@@ -197,9 +197,12 @@ def make_fine_grained_lineage_class(
             upstreams = [
                 builder.make_schema_field_urn(
                     self.lineage_urn_to_lowercase(column_ref.table),
-                    column_ref.column,
+                    column_ref.column.lower()
+                    if self.__config.convert_lineage_urns_to_lowercase
+                    else column_ref.column,
                 )
                 for column_ref in cll_info.upstreams
+                if column_ref.column
             ]
 
             fine_grained_lineages.append(

Original file line number	Diff line number	Diff line change
`@@ -197,9 +197,12 @@ def make_fine_grained_lineage_class(`
`197`	`197`	`upstreams = [`
`198`	`198`	`builder.make_schema_field_urn(`
`199`	`199`	`self.lineage_urn_to_lowercase(column_ref.table),`
`200`		`- column_ref.column,`
	`200`	`+ column_ref.column.lower()`
	`201`	`+ if self.__config.convert_lineage_urns_to_lowercase`
	`202`	`+ else column_ref.column,`
`201`	`203`	`)`
`202`	`204`	`for column_ref in cll_info.upstreams`
	`205`	`+ if column_ref.column`
`203`	`206`	`]`
`204`	`207`
`205`	`208`	`fine_grained_lineages.append(`