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-rw-r--r--sqlglot/lineage.py7
1 files changed, 3 insertions, 4 deletions
diff --git a/sqlglot/lineage.py b/sqlglot/lineage.py
index abcc10f..09bf201 100644
--- a/sqlglot/lineage.py
+++ b/sqlglot/lineage.py
@@ -129,13 +129,10 @@ def lineage(
if isinstance(column, int)
else next(
(select for select in scope.expression.selects if select.alias_or_name == column),
- exp.Star() if scope.expression.is_star else None,
+ exp.Star() if scope.expression.is_star else scope.expression,
)
)
- if not select:
- raise ValueError(f"Could not find {column} in {scope.expression}")
-
if isinstance(scope.expression, exp.Union):
upstream = upstream or Node(name="UNION", source=scope.expression, expression=select)
@@ -194,6 +191,8 @@ def lineage(
# if the select is a star add all scope sources as downstreams
if select.is_star:
for source in scope.sources.values():
+ if isinstance(source, Scope):
+ source = source.expression
node.downstream.append(Node(name=select.sql(), source=source, expression=source))
# Find all columns that went into creating this one to list their lineage nodes.