Adds the additional column to the query

Adds the additional column to the query

Adds the additional columns to the query

Adds the additional columns to the query

Adds the additional columns to the query

Adds the additional filter column to the query

Adds the given having condition

Adds the given where condition to the final where condition

Adds the given where condition

Returns true if distribution of TOP N to inner queries is allowed. Defaults to false. Distribution of TOP N to inner queries helps performance mainly in case the inner query is complex and includes nesting levels, for simple queries it is better not to allow the distribution.

Changes the where operator to AND for subsequent where conditions. Use in combination of methods Where...

Adds the given where condition with the AND operator

Adds the given where condition with the AND operator. Creates a new where condition object and runs the setup actions on it.

Returns true if the object has any settings defined that influence the resulting query

Applies order by from the given settings to the inner query

Applies top N based on paging settings to the inner query to select only necessary data

Applies this query parameters to the target object

Applies main query properties to the given query to ensure synchronized state before execution

Applies the given settings to the query

Applies the given settings to the query

Applies TOP N settings to the given query if it is more restrictive than the current query settings.

Changes the type of the query to another type

Converts the query to the query column using this query as nested

Creates an ID query from the given query

Makes a materialized list from the given query

Creates a nested query from the given query

Creates a single column query from the given query

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.

Gets a query expression representing this object as a value

Sets whether the binary data should be included to the result

Adds the given action to the list of actions called when the handler object is disposed

Creates the clone of the object.

Creates the clone of the object.

Sets the column to select

Sets the column to select

Sets the columns to select

Sets the columns to select

Sets the columns to select

Copies the properties to the target query.

Marks the object as changed when data source changes

Make sure the objects get disposed

Sets the query to use distinct selection over the given columns

Ensures data parameters for the given query

Determines whether the specified Object is equal to the current Object.

Gets the intersection of this data query with another query

Executes the current query and returns it's results as a DataSet

Executes the current query and returns it's results as a data reader

Expands the expression by replacing parameters with their values

Expands the columns within this query

Sets the query as a single object query (i.e. limits the number of fetched rows to 1).

Executes the given action for each page (DataSet) in the results. If the query is not set up as a paged query before calling this method and pageSize is not set, executes the action once with the current results.

Executes the given action for each item (DataRow) in the result. Processes the items in batches of the given size.

Defines the source of the data (table, view or a nested query)

Gets the list of all available columns for this query

Gets the binary columns for this query

Gets the class name for current query

Gets the class structure info for this query

Returns query parameter container filled with the complete settings of current query.

Gets the complete parameters for the query execution. The parameters are always a new instance of DataQuerySettings which can be further modified without any impact to the query itself.

Executes the query. Sets the total records number during execution.

Executes the current over data source and returns it's results as a DataSet

Executes the query

Gets data source identifier that represents the location from which the data are obtained.

Gets the default order by columns

Gets the default single column for the query

Gets the default source for this query

Gets the query to execute against database

Gets a query expression representing this object as a value

Gets the query expressions

Gets the full query text including resolved parameters

Serves as a hash function for a particular type.

Gets the ID column for this query

Gets the result as a list of values from the first column that the query returns. Excludes null values from the result.

Executes the query

Gets results from executing query

Gets the scalar

Gets a source for this query

Gets the where condition for the given column

Gets the where condition for the given column

Specifies the columns to group by

Returns true if the given query is an external source

Returns true, if the query returns any results

Adds the given having conditions to the query.

Adds the given where condition to the query. Creates a new where condition object and runs the setup actions on it.

Specifies the having condition

Marks the object as changed

Checks if where condition results in no data

Makes this object instance is immutable, and next subsequent modification starts with a clone of the object.

Adds the data parameters to the current query parameters

Gets the intersection of this data query with another query

Loads the number of total records for an unpaged query

Loads the number of total records for a paged query

Locks the event on the given lock object. The context stays locked until the handler is disposed.

Creates a new empty query

Clears the current group by, reverting the source of data to the original. Note, that this method also resets the existing having condition which is closely bound to the group by.

Clears the current having condition

Returns properly typed this

Clears the current where condition

Adjusts the query to a next page, using the current page size. Use in combination with PagedBy and NextPageAvailable to iterate over the data in batches.

Sets the query to return no columns at all

Sets the where condition to exclude all data from result

Sets up the query to become not paged query and output all results at once.

Changes the where operator to OR for next where conditions. Use in combination of methods Where...

Adds the given where condition with the OR operator

Adds the given where condition with the OR operator. Creates a new where condition object and runs the setup actions on it.

Adds the columns to the order by query

Adds the columns to the order by query

Adds the columns to the order by query to order by the given columns in ascending order

Sets the default order by for the query

Adds the columns to the order by query to order by the given columns in descending order

Specifies the page to select with given page index and page size. Page number is indexed from 0 (first page)

Sets up the query as a paged query with the given page size. Resets the page index to first page. Use in combination with NextPageAvailable and NextPage to iterate over the data in batches.

Replaces the selected column with a new name

Replaces the selected column with a new name

Replaces the selected column with a new name

Flushes the results but leaves the generated query text unchanged. After the reset, query can be executed again to obtain new data.

Resets the where operator to the default value

Resolves the columns in the given list

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.

Transforms the current result

Gets the class name for current query

Creates an immutable snapshot of the current query as a base for further evaluation. Doesn't modify the original query in any way.

Defines the source of the data (table, view or a nested query)

Identity method to make the query expression more readable. Use before the Columns or Page method. Doesn't provide any functionality.

Identity method to make the query expression more readable. Use before the OrderBy method. Doesn't provide any functionality.

Selects only first top N number of records

Returns the string representation of the expression

Returns the string representation of the expression, with possibility of expanding parameters

Gets the union of this data query with another query

Gets the union of this data query with another query without eliminating the duplicities

Adds the given object to the list of the allocated objects to dispose

Adds the given where conditions to the query

Adds the given where condition to the query. Creates a new where condition object and runs the setup actions on it.

Adds the given where condition to the query

Adds the given where condition to the query. Matches the column value with an unary operator.

Adds the given where condition to the query. Matches the column value with an unary operator.

Adds the given where condition to the query. Matches the column to a given value.

Adds the given where condition to the query. Matches the column to a given value.

Matches the given condition on any column with the same type as the given value type.

Adds condition to all items that contain given text in any of the string columns. Performs a SQL substring search on the data.

Adds the condition for a string column to contain some substring

Adds the condition for a string column to contain some substring

Adds the where condition for a null or empty column value

Adds the condition for a string column to end with some prefix

Adds the condition for a string expression to end with some prefix

Adds the given where condition to the query. Matches the column to a given value.

Adds the given where condition to the query. Matches the left side to the given right side.

Adds the given where condition to the query. Matches the column to a given value or null value.

Adds where condition with EXISTS and the nested query "EXISTS (...)"

Adds where condition with EXISTS and the nested query "EXISTS (...)"

Adds the where condition for a false column value (boolean column equals false).

Adds the where condition for a false expression value (boolean expression equals false).

Adds the given where condition to the query. Matches the left side which is greater or equal than the right side.

Adds the given where condition to the query. Matches the left side which is greater or equal than the right side.

Adds the given where condition to the query. Matches the left side which is greater than the right side.

Adds the given where condition to the query. Matches the left side which is greater than the right side.

Adds the where condition to match the ID to the query. In case the column name is not provided or unknown, does not generate where condition. If given ID is invalid, adds the condition to match NULL.

Adds where condition to the nested query, e.g. "columnName IN (...)"

Adds where condition to the list of values, e.g. "columnName IN (...)"

Adds where condition to the list of values, e.g. "columnName IN (...)" Supported generic type is int or string ONLY!

Adds where condition to the list of values, e.g. "columnName IN (...)"

Adds the given where condition to the query. Matches the left side which is less or equal than the right side.

Adds the given where condition to the query. Matches the left side which is less or equal than the right side.

Adds the given where condition to the query. Matches the left side which is less than the right side.

Adds the given where condition to the query. Matches the left side which is less than the right side.

Adds the given where condition to the query. Matches the column to a given value using LIKE operator.

Adds the given where condition to the query. Matches the left side and right side using LIKE operator.

Adds the negation of the given where condition

Adds the condition for a string column not to contain some substring

Adds the condition for a string column not to contain some substring

Adds the where condition for a non empty column value

Adds the condition for a string column not to end with some prefix

Adds the condition for a string column not to end with some prefix

Adds the given where condition to the query. Matches the column which is not equal to a given value.

Adds the given where condition to the query. Matches the left side which is not equal to the right side.

Adds where condition with NOT EXISTS and the nested query "NOT EXISTS (...)"

Adds where condition to the nested query, e.g. "columnName NOT IN (...)"

Adds where condition to the list of values, e.g. "columnName NOT IN (...)"

Adds the given where condition to the query. Matches the column to a given value using NOT LIKE operator.

Adds the given where condition to the query. Matches the left side and right side using NOT LIKE operator.

Adds the where condition for a not null column value

Adds the where condition for a not null expression value

Adds the condition for a string column not to start with some prefix

Adds the condition for a string column not to start with some prefix

Adds the where condition for a null column value

Adds the where condition for a null expression value

Adds the condition for a string column to start with some prefix

Adds the condition for a string column to start with some prefix

Adds the where condition for a true column value (boolean column equals true).

Adds the where condition for a true expression value (boolean expression equals true).

Adds the comment to the given query

Applies the given parameters to the query

Applies the given parameters to the query

Sets the given DataSet as the source of the data query

Sets the given source as the source of the data query

Fakes the execution of a query