Function sql_keywords

prqlc/prqlc/src/sql/keywords.rs:42–70

()

}

fn sql_keywords() -> &'static HashSet<&'static str> {
    static SQL_KEYWORDS: OnceLock<HashSet<&str>> = OnceLock::new();
    SQL_KEYWORDS.get_or_init(|| {
        let mut m = HashSet::new();
        m.extend(SQLITE_KEYWORDS);
        m.extend(POSTGRES_KEYWORDS);
        m.extend(DUCKDB_KEYWORDS);
        m.extend(BIGQUERY_KEYWORDS);

        let reverse_index: HashMap<&Keyword, usize> = ALL_KEYWORDS_INDEX
            .iter()
            .enumerate()
            .map(|(idx, kw)| (kw, idx))
            .collect();

        m.extend(
            RESERVED_FOR_COLUMN_ALIAS
                .iter()
                .map(|x| ALL_KEYWORDS[reverse_index[x]]),
        );

        m.extend(
            RESERVED_FOR_TABLE_ALIAS
                .iter()
                .map(|x| ALL_KEYWORDS[reverse_index[x]]),
        );
        m
    })
}

const SQLITE_KEYWORDS: &[&str] = &[
    "ABORT",