fix(powerbi): normalize lineage URNs to lowercase in Mapper class

aviraj-gour · aviraj-gour · commit 5690d95b3139 · 2026-04-01T19:28:01.000+05:30
diff --git a/metadata-ingestion/src/datahub/ingestion/source/powerbi/powerbi.py b/metadata-ingestion/src/datahub/ingestion/source/powerbi/powerbi.py
@@ -195,7 +195,10 @@ def make_fine_grained_lineage_class(
             )
 
             upstreams = [
-                builder.make_schema_field_urn(column_ref.table, column_ref.column)
+                builder.make_schema_field_urn(
+                    self.lineage_urn_to_lowercase(column_ref.table),
+                    column_ref.column,
+                )
                 for column_ref in cll_info.upstreams
             ]
 
@@ -370,7 +373,7 @@ def extract_lineage(
                     continue
 
                 upstream_table_class = UpstreamClass(
-                    upstream_dpt.urn,
+                    self.lineage_urn_to_lowercase(upstream_dpt.urn),
                     DatasetLineageTypeClass.TRANSFORMED,
                 )
 

Original file line number	Diff line number	Diff line change
`@@ -195,7 +195,10 @@ def make_fine_grained_lineage_class(`
`195`	`195`	`)`
`196`	`196`
`197`	`197`	`upstreams = [`
`198`		`- builder.make_schema_field_urn(column_ref.table, column_ref.column)`
	`198`	`+ builder.make_schema_field_urn(`
	`199`	`+ self.lineage_urn_to_lowercase(column_ref.table),`
	`200`	`+ column_ref.column,`
	`201`	`+ )`
`199`	`202`	`for column_ref in cll_info.upstreams`
`200`	`203`	`]`
`201`	`204`
`@@ -370,7 +373,7 @@ def extract_lineage(`
`370`	`373`	`continue`
`371`	`374`
`372`	`375`	`upstream_table_class = UpstreamClass(`
`373`		`- upstream_dpt.urn,`
	`376`	`+ self.lineage_urn_to_lowercase(upstream_dpt.urn),`
`374`	`377`	`DatasetLineageTypeClass.TRANSFORMED,`
`375`	`378`	`)`
`376`	`379`