comphead commented on code in PR #10203:
URL: https://github.com/apache/datafusion/pull/10203#discussion_r1576834547
##########
datafusion/optimizer/src/analyzer/type_coercion.rs:
##########
@@ -530,31 +527,30 @@ fn coerce_window_frame(
}
WindowFrameUnits::Rows | WindowFrameUnits::Groups => &DataType::UInt64,
};
- window_frame.start_bound =
- coerce_frame_bound(target_type, &window_frame.start_bound)?;
- window_frame.end_bound = coerce_frame_bound(target_type,
&window_frame.end_bound)?;
+ window_frame.start_bound = coerce_frame_bound(target_type,
window_frame.start_bound)?;
+ window_frame.end_bound = coerce_frame_bound(target_type,
window_frame.end_bound)?;
Ok(window_frame)
}
// Support the `IsTrue` `IsNotTrue` `IsFalse` `IsNotFalse` type coercion.
// The above op will be rewrite to the binary op when creating the physical op.
-fn get_casted_expr_for_bool_op(expr: &Expr, schema: &DFSchemaRef) ->
Result<Expr> {
+fn get_casted_expr_for_bool_op(expr: Expr, schema: &DFSchemaRef) ->
Result<Expr> {
let left_type = expr.get_type(schema)?;
get_input_types(&left_type, &Operator::IsDistinctFrom,
&DataType::Boolean)?;
- cast_expr(expr, &DataType::Boolean, schema)
+ expr.cast_to(&DataType::Boolean, schema)
}
/// Returns `expressions` coerced to types compatible with
/// `signature`, if possible.
///
/// See the module level documentation for more detail on coercion.
fn coerce_arguments_for_signature(
- expressions: &[Expr],
+ expressions: Vec<Expr>,
Review Comment:
I always thought having less possible coercible type is preferred 🤔
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