Class Table<TEntity>

A Linq IQueryProvider that represents a table in Cassandra

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
System.Linq.IQueryProvider
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 Table<TEntity> : CqlQuery<TEntity>, IInternalStatement, IStatement, IQueryable<TEntity>, IEnumerable<TEntity>, IOrderedQueryable, IQueryable, IEnumerable, ITable, IQueryProvider
Type Parameters
Name Description
TEntity

Constructors

Table(ISession)

Creates a new instance of the Linq IQueryProvider that represents a table in Cassandra using Global configuration.

Declaration
public Table(ISession session)
Parameters
Type Name Description
ISession session

Session instance to be used to execute the statements

Table(ISession, MappingConfiguration)

Creates a new instance of the Linq IQueryProvider that represents a table in Cassandra using the mapping configuration provided.

Fluent configuration or attributes can be used to define mapping information.

Declaration
public Table(ISession session, MappingConfiguration config)
Parameters
Type Name Description
ISession session

Session instance to be used to execute the statements
MappingConfiguration config

Mapping configuration
Remarks

In case no mapping information is defined, case-insensitive class and method names will be used.

Table(ISession, MappingConfiguration, String)

Creates a new instance of the Linq IQueryProvider that represents a table in Cassandra using the mapping configuration provided.

Use this constructor if you want to use a different table name than the one defined in the mapping configuration.

Fluent configuration or attributes can be used to define mapping information.

Declaration
public Table(ISession session, MappingConfiguration config, string tableName)
Parameters
Type Name Description
ISession session

Session instance to be used to execute the statements
MappingConfiguration config

Mapping configuration
System.String tableName

Name of the table
Remarks

In case no mapping information is defined, case-insensitive class and method names will be used.

Table(ISession, MappingConfiguration, String, String)

Creates a new instance of the Linq IQueryProvider that represents a table in Cassandra using the mapping configuration provided.

Use this constructor if you want to use a different table and keyspace names than the ones defined in the mapping configuration.

Fluent configuration or attributes can be used to define mapping information.

Declaration
public Table(ISession session, MappingConfiguration config, string tableName, string keyspaceName)
Parameters
Type Name Description
ISession session

Session instance to be used to execute the statements
MappingConfiguration config

Mapping configuration
System.String tableName

Name of the table
System.String keyspaceName

Name of the keyspace were the table was created.
Remarks

In case no mapping information is defined, case-insensitive class and method names will be used.

Properties

KeyspaceName

Gets the name of the keyspace used. If null, it uses the active session keyspace.

Declaration
public string KeyspaceName { get; }
Property Value
Type Description
System.String

Name

Gets the name of the Table in Cassandra

Declaration
public string Name { get; }
Property Value
Type Description
System.String

Methods

Create()

Declaration
public void Create()

CreateIfNotExists()

Declaration
public void CreateIfNotExists()

CreateQuery<TElement>(Expression)

Creates a CqlQuery<TEntity>

Declaration
public IQueryable<TElement> CreateQuery<TElement>(Expression expression)
Parameters
Type Name Description
System.Linq.Expressions.Expression expression
Returns
Type Description
System.Linq.IQueryable<TElement>
Type Parameters
Name Description
TElement

GetEntityType()

Declaration
public Type GetEntityType()
Returns
Type Description
System.Type

GetSession()

Declaration
public ISession GetSession()
Returns
Type Description
ISession

GetTableType()

Declaration
public TableType GetTableType()
Returns
Type Description
TableType

Insert(TEntity)

Returns a new CqlInsert<TEntity> command. Use Execute() method to execute the query.

Declaration
public CqlInsert<TEntity> Insert(TEntity entity)
Parameters
Type Name Description
TEntity entity
Returns
Type Description
CqlInsert<TEntity>

Insert(TEntity, Boolean)

Returns a new CqlInsert<TEntity> command. Use Execute() method to execute the query.

Declaration
public CqlInsert<TEntity> Insert(TEntity entity, bool insertNulls)
Parameters
Type Name Description
TEntity entity

The entity to insert
System.Boolean insertNulls

Determines if the query must be generated using NULL values for null entity members.

Use false if you don't want to consider null values for the INSERT operation (recommended).

Use true if you want to override all the values in the table, generating tombstones for null values.

Returns
Type Description
CqlInsert<TEntity>

Explicit Interface Implementations

IQueryProvider.CreateQuery(Expression)

Declaration
IQueryable IQueryProvider.CreateQuery(Expression expression)
Parameters
Type Name Description
System.Linq.Expressions.Expression expression
Returns
Type Description
System.Linq.IQueryable

IQueryProvider.Execute(Expression)

Declaration
object IQueryProvider.Execute(Expression expression)
Parameters
Type Name Description
System.Linq.Expressions.Expression expression
Returns
Type Description
System.Object

IQueryProvider.Execute<TResult>(Expression)

Declaration
TResult IQueryProvider.Execute<TResult>(Expression expression)
Parameters
Type Name Description
System.Linq.Expressions.Expression expression
Returns
Type Description
TResult
Type Parameters
Name Description
TResult

Implements

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

Extension Methods