Function is_keyword

prqlc/prqlc/src/sql/keywords.rs:15–19

True for keywords which we want to quote when translating to SQL. Currently we're being fairly permissive (over-quoting is not a big concern). We're not including the full list from `SQL_KEYWORDS`, as that has terms such as `ID`, instead we bring a few dialects' keywords in.

(ident: &str, dialect: &Dialect)

// We're not including the full list from `SQL_KEYWORDS`, as that has terms such
// as `ID`, instead we bring a few dialects' keywords in.
pub(super) fn is_keyword(ident: &str, dialect: &Dialect) -> bool {
    let ident = ident.to_ascii_uppercase();

    sql_keywords().contains(ident.as_str()) || dialect_keywords(dialect).contains(ident.as_str())
}

fn dialect_keywords(dialect: &Dialect) -> &'static HashSet<&'static str> {
    match dialect {