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-rw-r--r--sqlglot/dataframe/sql/dataframe.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/sqlglot/dataframe/sql/dataframe.py b/sqlglot/dataframe/sql/dataframe.py
index 32ee927..93bdf75 100644
--- a/sqlglot/dataframe/sql/dataframe.py
+++ b/sqlglot/dataframe/sql/dataframe.py
@@ -299,7 +299,7 @@ class DataFrame:
for expression_type, select_expression in select_expressions:
select_expression = select_expression.transform(replace_id_value, replacement_mapping)
if optimize:
- select_expression = optimize_func(select_expression)
+ select_expression = optimize_func(select_expression, identify="always")
select_expression = df._replace_cte_names_with_hashes(select_expression)
expression: t.Union[exp.Select, exp.Cache, exp.Drop]
if expression_type == exp.Cache: