(expr: &SqlExpr)
| 202 | } |
| 203 | |
| 204 | fn expr_to_string(expr: &SqlExpr) -> DFResult<String> { |
| 205 | match expr { |
| 206 | SqlExpr::Value(v) => match &v.value { |
| 207 | SqlValue::SingleQuotedString(s) => Ok(s.clone()), |
| 208 | SqlValue::Number(n, _) => Ok(n.clone()), |
| 209 | SqlValue::Boolean(b) => Ok(b.to_string()), |
| 210 | _ => Err(DataFusionError::Plan(format!( |
| 211 | "Unsupported argument value: {v}" |
| 212 | ))), |
| 213 | }, |
| 214 | SqlExpr::UnaryOp { |
| 215 | op: datafusion::sql::sqlparser::ast::UnaryOperator::Minus, |
| 216 | expr, |
| 217 | } => { |
| 218 | let inner = expr_to_string(expr)?; |
| 219 | Ok(format!("-{inner}")) |
| 220 | } |
| 221 | _ => Err(DataFusionError::Plan(format!( |
| 222 | "Unsupported argument expression: {expr}" |
| 223 | ))), |
| 224 | } |
| 225 | } |
| 226 | |
| 227 | fn require_arg<'a>(args: &'a HashMap<String, String>, name: &str) -> DFResult<&'a str> { |
| 228 | args.get(name) |
no test coverage detected