use sqlparser::ast::*;
use sqlparser::dialect::DatabricksDialect;
use test_utils::*;

#[macro_use]
mod test_utils;

fn databricks() -> TestedDialects {
    TestedDialects {
        dialects: vec![Box::new(DatabricksDialect {})],
        options: None,
    }
}

#[test]
fn test_databricks_identifiers() {
    // databricks uses backtick for delimited identifiers
    assert_eq!(
        databricks().verified_only_select("SELECT `Ä`").projection[0],
        SelectItem::UnnamedExpr(Expr::Identifier(Ident::with_quote('`', "Ä")))
    );

    // double quotes produce string literals, not delimited identifiers
    assert_eq!(
        databricks()
            .verified_only_select(r#"SELECT "Ä""#)
            .projection[0],
        SelectItem::UnnamedExpr(Expr::Value(Value::DoubleQuotedString("Ä".to_owned())))
    );
}