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chore: fix mypy error with polars.LazyFrame.explode() #1964

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tswast merged 1 commit into from
Aug 5, 2025
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chore: fix mypy error with polars.LazyFrame.explode() #1964

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2 changes: 1 addition & 1 deletion bigframes/core/compile/polars/compiler.py
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Original file line number Diff line number Diff line change
Expand Up @@ -646,7 +646,7 @@ def _aggregate(
def compile_explode(self, node: nodes.ExplodeNode):
assert node.offsets_col is None
df = self.compile_node(node.child)
cols = [pl.col(col.id.sql) for col in node.column_ids]
cols = [col.id.sql for col in node.column_ids]
return df.explode(cols)

@compile_node.register
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