Query Transformer is intended to change SQL queries accodring to the end-user data browsing needs. This component automatically extracts columns of the query resultset and lets easily apply sorting, limits, filtration and add aggregates to the query. See Query Transformer Introduction and the QueryTransformer Class reference for details and code samples.
Classes
| Class | Description | |
|---|---|---|
 | FilterColumnCondition | Defines filtration condition based on the output column. |
| FilterCondition | Defines filtration condition. |
| FilterConditionJunction | Defines a set of filtration conditions. |
| FilterFactory | A factory to create sets of filtration conditions. |
| OutputColumn | Describes an output column of initial query result set. |
| OutputColumnList | Lists output columns of initial query. |
| QueryTransformer | Changes the result SQL query in order to transfigure result data according to the end user's needs. |
| SelectedColumn | Defines an aggregated column. |
| SelectedColumnList | Defines list of aggregations. |
| SortedColumn | Defines a sorting item. |
| SortedColumnList | Defines list of sortings. |
Enumerations
| Enumeration | Description | |
|---|---|---|
 | FilterConditionJunctionType | Defines possible types of junctions for conditions. |
| QueryTransformerSelectMode | Lists all possible selection modes. |
See Also