DataKind enum
Represents expression kinds.
| Name | Value | Description |
|---|---|---|
| Attribute | 2 | The same as Scalar but represents only one attribute. |
| Const | 1 | The same as Scalar but represents only one constant value of some type. |
| List | 4 | Represents a list of scalar values. |
| ParentColumn | 6 | Special expression kind which represents a binding to parent column. |
| Query | 5 | Special expression kind which represents a sub query. |
| Scalar | 0 | Represents one value of some type: one constant or one attribute (field). |