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IDataQuery Methods

The IDataQuery type exposes the following members.

Public methodApplyParametersTo
Applies this where condition to the target object
(Inherited from IQueryParameters.)
Public methodApplySettings(AbstractQueryObject)
Applies the given settings to the query
Public methodApplySettings(ActionDataQuerySettings)
Applies the given settings to the query
Public methodAsT
Changes the type of the query to another type
Public methodAsIDQuery
Creates an ID query from the given query
Public methodAsMaterializedList
Makes a materialized list from the given query
Public methodAsNestedTResult
Creates a nested query from the given query
Public methodAsSingleColumn
Creates a single column query from the given query
Public methodAsSubQuery
Modifies the query to be able to be used as a sub-query, e.g. for usage in WHERE A IN ([query]). Ensures single column result, and removes order by from the result.
Public methodAsValue
Gets a query expression representing this object as a value
(Inherited from IQueryObjectWithValue.)
Public methodCloneObject
Creates the clone of the object.
(Inherited from IQueryObject.)
Public methodEnsureParameters
Ensures data parameters for the given query
(Inherited from IQueryParameters.)
Public methodExecute
Executes the current query and returns it's results as a DataSet
Public methodExecuteReader
Executes the current query and returns it's results as a data reader
Public methodExpand
Expands the expression by replacing parameters with their values
(Inherited from IQueryParameters.)
Public methodForEachRow
Executes the given action for each item (DataRow) in the result. Processes the items in batches of the given size.
Public methodGetCompleteSettings
Gets the complete parameters for the query execution
Public methodGetExecutingQuery
Gets the query to execute against database
Public methodGetExpression
Gets a string expression representing this object
(Inherited from IQueryObjectWithValue.)
Public methodGetFullQueryText
Gets the full query text including resolved parameters
Public methodGetListResultT
Gets the result as a list of values from the first column that the query returns. Excludes null values from the result.
Public methodGetScalarResultT
Gets the scalar
Public methodHasCompatibleSource
Returns true if the given query is an external source
Public methodChanged
Marks the object as changed
(Inherited from IQueryObject.)
Public methodIncludeDataParameters
Adds the data parameters to the current query parameters
(Inherited from IQueryObject.)
Public methodReturnNoResults
Sets the query to return no results. This action is irreversible, once the query is set to return no results it cannot be changed. This method is used by data engine to forbid access to data that are not allowed to be accessed (e.g. license limitations), without notifying the process about the fact.
(Inherited from IWhereCondition.)
Public methodSelectT
Transforms the current result
Public methodToString
Returns the string representation of the expression, with possibility of expanding parameters
(Inherited from IQueryParameters.)
Extension Methods
Public Extension MethodFakeExecution
Fakes the execution of a query
(Defined by UnitTestExtensions.)
See Also