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TrevorBergeron · TrevorBergeron · commit 7c7327fda7c8 · 2025-08-28T18:09:52.000Z
diff --git a/bigframes/core/compile/ibis_compiler/scalar_op_registry.py b/bigframes/core/compile/ibis_compiler/scalar_op_registry.py
@@ -1217,7 +1217,9 @@ def array_reduce_op_impl(x: ibis_types.Value, op: ops.ArrayReduceOp):
     import bigframes.core.compile.ibis_compiler.aggregate_compiler as agg_compilers
 
     return typing.cast(ibis_types.ArrayValue, x).reduce(
-        lambda arr_vals: agg_compilers.compile_unary_agg(op.aggregation, arr_vals)
+        lambda arr_vals: agg_compilers.compile_unary_agg(
+            op.aggregation, typing.cast(ibis_types.Column, arr_vals)
+        )
     )
 
 

Original file line number	Diff line number	Diff line change
`@@ -1217,7 +1217,9 @@ def array_reduce_op_impl(x: ibis_types.Value, op: ops.ArrayReduceOp):`
`1217`	`1217`	`import bigframes.core.compile.ibis_compiler.aggregate_compiler as agg_compilers`
`1218`	`1218`
`1219`	`1219`	`return typing.cast(ibis_types.ArrayValue, x).reduce(`
`1220`		`- lambda arr_vals: agg_compilers.compile_unary_agg(op.aggregation, arr_vals)`
	`1220`	`+ lambda arr_vals: agg_compilers.compile_unary_agg(`
	`1221`	`+ op.aggregation, typing.cast(ibis_types.Column, arr_vals)`
	`1222`	`+ )`
`1221`	`1223`	`)`
`1222`	`1224`
`1223`	`1225`