#[derive(Debug, thiserror::Error)]
pub enum QueryError {
#[error("parse error at position {position}: {message}")]
Parse { position: usize, message: String },
#[error("compile error: {0}")]
Compile(String),
#[error("validation error: {0}")]
Validation(String),
#[error("unsupported feature: {0}")]
Unsupported(String),
}