Function Java_org_prql_prql4j_PrqlCompiler_toSql

prqlc/bindings/java/src/lib.rs:10–42

(
    mut env: JNIEnv,
    _class: JClass,
    query: JString,
    target: JString,
    format: jboolean,
    signature: jboolean,
)

#[no_mangle]
#[allow(non_snake_case)]
pub extern "system" fn Java_org_prql_prql4j_PrqlCompiler_toSql(
    mut env: JNIEnv,
    _class: JClass,
    query: JString,
    target: JString,
    format: jboolean,
    signature: jboolean,
) -> jstring {
    let prql_query = match jstring_to_string(&mut env, &query, "query") {
        Some(s) => s,
        None => return std::ptr::null_mut(),
    };
    let target_str = match jstring_to_string(&mut env, &target, "target") {
        Some(s) => s,
        None => return std::ptr::null_mut(),
    };
    let prql_dialect = match Target::from_str(&target_str) {
        Ok(t) => t,
        Err(e) => {
            throw_illegal_argument(&mut env, &format!("invalid target dialect: {e}"));
            return std::ptr::null_mut();
        }
    };
    let opt = Options {
        format: format != 0,
        target: prql_dialect,
        signature_comment: signature != 0,
        // TODO: add support for `display`
        ..Default::default()
    };
    let result = prqlc::compile(&prql_query, &opt);
    java_string_with_exception(result, &mut env)
}

#[no_mangle]
#[allow(non_snake_case)]