pub trait ToSqlFunctionArg {
// Required method
fn to_sql_function_arg(
&self,
dialect: &Dialect,
schema: &DFSchema,
) -> Result<SqlFunctionArgExpr>;
}pub trait ToSqlFunctionArg {
// Required method
fn to_sql_function_arg(
&self,
dialect: &Dialect,
schema: &DFSchema,
) -> Result<SqlFunctionArgExpr>;
}