Function try_parse 

pub fn try_parse(
    _upper: &str,
    parts: &[&str],
    original: &str,
) -> Option<Result<NodedbStatement, SqlError>>

Try to parse a database-level DDL statement.

Returns None for SQL that does not match any database-DDL prefix. Returns Some(Err(...)) for structurally valid database DDL that contains a parse error (e.g. missing required name token).