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extract_rewrite_operands

query::optimizer::const_normalization

Function extract_rewrite_operands 

Source 
fn extract_rewrite_operands<'a, 'b>(
    target_expr: &'a Expr,
    constant_exprs: impl IntoIterator<Item = &'b Expr>,
    schema: &DFSchemaRef,
) -> Result<Option<(NormalizationTarget<'a>, Vec<ScalarValue>)>>