Get boolean result for EXISTS operations
(&self)
| 44 | |
| 45 | /// Get boolean result for EXISTS operations |
| 46 | pub fn as_boolean(&self) -> Option<bool> { |
| 47 | match self { |
| 48 | SubqueryResult::Boolean(b) => Some(*b), |
| 49 | SubqueryResult::Scalar(Some(_)) => Some(true), |
| 50 | SubqueryResult::Scalar(None) => Some(false), |
| 51 | SubqueryResult::Set(values) => Some(!values.is_empty()), |
| 52 | SubqueryResult::FullResult(result) => Some(!result.rows.is_empty()), |
| 53 | } |
| 54 | } |
| 55 | |
| 56 | /// Get scalar result for single-value subqueries |
| 57 | pub fn as_scalar(&self) -> Option<Value> { |
no test coverage detected