Class CqlQuery<TEntity>

Represents a Linq query that gets evaluated as a CQL statement.

Inheritance
System.Object
Statement
CqlQueryBase<TEntity>
CqlQuery<TEntity>
Table<TEntity>
Implements
System.Linq.IQueryable<TEntity>
System.Collections.Generic.IEnumerable<TEntity>
System.Linq.IOrderedQueryable
System.Linq.IQueryable
System.Collections.IEnumerable
Inherited Members
System.Object.Equals(System.Object)
System.Object.Equals(System.Object, System.Object)
System.Object.GetHashCode()
System.Object.GetType()
System.Object.MemberwiseClone()
System.Object.ReferenceEquals(System.Object, System.Object)
Namespace: Dse.Data.Linq
Assembly: Dse.dll
Syntax
public class CqlQuery<TEntity> : CqlQueryBase<TEntity>, IInternalStatement, IStatement, IQueryable<TEntity>, IEnumerable<TEntity>, IOrderedQueryable, IQueryable, IEnumerable
Type Parameters
Name Description
TEntity

Properties

Provider

IQueryable.Provider implementation

Declaration
public IQueryProvider Provider { get; }
Property Value
Type Description
System.Linq.IQueryProvider

Methods

ExecutePaged()

Executes the query and returns a page of results

Declaration
public IPage<TEntity> ExecutePaged()
Returns
Type Description
IPage<TEntity>

ExecutePaged(String)

Executes the query with the provided execution profile and returns a page of results

Declaration
public IPage<TEntity> ExecutePaged(string executionProfile)
Parameters
Type Name Description
System.String executionProfile
Returns
Type Description
IPage<TEntity>

ExecutePagedAsync()

Asynchronously executes the query and returns a task of a page of results

Declaration
public Task<IPage<TEntity>> ExecutePagedAsync()
Returns
Type Description
System.Threading.Tasks.Task<IPage<TEntity>>

ExecutePagedAsync(String)

Asynchronously executes the query with the provided execution profile and returns a task of a page of results

Declaration
public Task<IPage<TEntity>> ExecutePagedAsync(string executionProfile)
Parameters
Type Name Description
System.String executionProfile
Returns
Type Description
System.Threading.Tasks.Task<IPage<TEntity>>

GetCql(out Object[])

Declaration
protected override string GetCql(out object[] values)
Parameters
Type Name Description
System.Object[] values
Returns
Type Description
System.String
Overrides
Dse.Data.Linq.CqlQueryBase<TEntity>.GetCql(System.Object[])

GetEnumerator()

Declaration
public IEnumerator<TEntity> GetEnumerator()
Returns
Type Description
System.Collections.Generic.IEnumerator<TEntity>

SetConsistencyLevel(Nullable<ConsistencyLevel>)

Declaration
public CqlQuery<TEntity> SetConsistencyLevel(ConsistencyLevel? consistencyLevel)
Parameters
Type Name Description
System.Nullable<ConsistencyLevel> consistencyLevel
Returns
Type Description
CqlQuery<TEntity>

SetPageSize(Int32)

Sets the page size for this query. The page size controls how much resulting rows will be retrieved simultaneously (the goal being to avoid loading too much results in memory for queries yielding large results). Please note that while value as low as 1 can be used, it is highly discouraged to use such a low value in practice as it will yield very poor performance. If in doubt, leaving the default is probably a good idea.

Declaration
public CqlQuery<TEntity> SetPageSize(int pageSize)
Parameters
Type Name Description
System.Int32 pageSize
Returns
Type Description
CqlQuery<TEntity>

This instance

SetPagingState(Byte[])

Sets the paging state, a token representing the current page state of query used to continue paging by retrieving the following result page. Setting the paging state will disable automatic paging.

Declaration
public CqlQuery<TEntity> SetPagingState(byte[] pagingState)
Parameters
Type Name Description
System.Byte[] pagingState
Returns
Type Description
CqlQuery<TEntity>

This instance

SetSerialConsistencyLevel(ConsistencyLevel)

Declaration
public CqlQuery<TEntity> SetSerialConsistencyLevel(ConsistencyLevel consistencyLevel)
Parameters
Type Name Description
ConsistencyLevel consistencyLevel
Returns
Type Description
CqlQuery<TEntity>

ToString()

Generates and returns cql query for this instance

Declaration
public override string ToString()
Returns
Type Description
System.String
Overrides
System.Object.ToString()

Explicit Interface Implementations

IEnumerable.GetEnumerator()

Declaration
IEnumerator IEnumerable.GetEnumerator()
Returns
Type Description
System.Collections.IEnumerator

Implements

System.Linq.IQueryable<T>
System.Collections.Generic.IEnumerable<T>
System.Linq.IOrderedQueryable
System.Linq.IQueryable
System.Collections.IEnumerable

Extension Methods