Function coerce

datafusion/optimizer/src/utils.rs:189–192

(expr: Expr, schema: &DFSchema)

}

fn coerce(expr: Expr, schema: &DFSchema) -> Result<Expr> {
    let mut expr_rewrite = TypeCoercionRewriter { schema };
    expr.rewrite(&mut expr_rewrite).data()
}

#[cfg(test)]
mod tests {