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    Class DataConnection

    Implements persistent database connection abstraction over different database engines. Could be initialized using connection string name or connection string, or attached to existing connection or transaction.

    Inheritance
    System.Object
    DataConnection
    SystemDB
    Implements
    IDataContext
    IConfigurationID
    IDisposable
    IAsyncDisposable
    ICloneable
    IInterceptable<ICommandInterceptor>
    IInterceptable<IConnectionInterceptor>
    IInterceptable<IDataContextInterceptor>
    IInterceptable<IEntityServiceInterceptor>
    IInterceptable<IUnwrapDataObjectInterceptor>
    IInterceptable
    Namespace: LinqToDB.Data
    Assembly: linq2db.dll
    Syntax
    public class DataConnection : object, IDataContext, IConfigurationID, IAsyncDisposable, IInterceptable<ICommandInterceptor>, IInterceptable<IConnectionInterceptor>, IInterceptable<IDataContextInterceptor>, IInterceptable<IEntityServiceInterceptor>, IInterceptable<IUnwrapDataObjectInterceptor>, IInterceptable

    Constructors

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    DataConnection()

    Creates database connection object that uses default connection configuration from DefaultConfiguration property.

    Declaration
    public DataConnection()
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    DataConnection(Func<DataOptions, DataOptions>)

    Creates database connection object that uses default connection configuration from DefaultConfiguration property.

    Declaration
    public DataConnection(Func<DataOptions, DataOptions> optionsSetter)
    Parameters
    Type Name Description
    Func<DataOptions, DataOptions> optionsSetter
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    DataConnection(DataOptions)

    Creates database connection object that uses a DataOptions to configure the connection.

    Declaration
    public DataConnection(DataOptions options)
    Parameters
    Type Name Description
    DataOptions options

    Options, setup ahead of time.

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    DataConnection(IDataProvider, DbConnection)

    Creates database connection object that uses specified database provider and connection.

    Declaration
    public DataConnection(IDataProvider dataProvider, DbConnection connection)
    Parameters
    Type Name Description
    IDataProvider dataProvider

    Database provider implementation to use with this connection.

    DbConnection connection

    Existing database connection to use.

    Remarks

    connection would not be disposed.

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    DataConnection(IDataProvider, DbConnection, Func<DataOptions, DataOptions>)

    Creates database connection object that uses specified database provider and connection.

    Declaration
    public DataConnection(IDataProvider dataProvider, DbConnection connection, Func<DataOptions, DataOptions> optionsSetter)
    Parameters
    Type Name Description
    IDataProvider dataProvider

    Database provider implementation to use with this connection.

    DbConnection connection

    Existing database connection to use.

    Func<DataOptions, DataOptions> optionsSetter
    Remarks

    connection would not be disposed.

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    DataConnection(IDataProvider, DbConnection, MappingSchema)

    Creates database connection object that uses specified database provider, connection and mapping schema.

    Declaration
    public DataConnection(IDataProvider dataProvider, DbConnection connection, MappingSchema mappingSchema)
    Parameters
    Type Name Description
    IDataProvider dataProvider

    Database provider implementation to use with this connection.

    DbConnection connection

    Existing database connection to use.

    MappingSchema mappingSchema

    Mapping schema to use with this connection.

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    DataConnection(IDataProvider, DbConnection, MappingSchema, Func<DataOptions, DataOptions>)

    Creates database connection object that uses specified database provider, connection and mapping schema.

    Declaration
    public DataConnection(IDataProvider dataProvider, DbConnection connection, MappingSchema mappingSchema, Func<DataOptions, DataOptions> optionsSetter)
    Parameters
    Type Name Description
    IDataProvider dataProvider

    Database provider implementation to use with this connection.

    DbConnection connection

    Existing database connection to use.

    MappingSchema mappingSchema

    Mapping schema to use with this connection.

    Func<DataOptions, DataOptions> optionsSetter
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    DataConnection(IDataProvider, DbConnection, Boolean)

    Creates database connection object that uses specified database provider and connection.

    Declaration
    public DataConnection(IDataProvider dataProvider, DbConnection connection, bool disposeConnection)
    Parameters
    Type Name Description
    IDataProvider dataProvider

    Database provider implementation to use with this connection.

    DbConnection connection

    Existing database connection to use.

    System.Boolean disposeConnection

    If true connection would be disposed on DataConnection disposing.

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    DataConnection(IDataProvider, DbConnection, Boolean, Func<DataOptions, DataOptions>)

    Creates database connection object that uses specified database provider and connection.

    Declaration
    public DataConnection(IDataProvider dataProvider, DbConnection connection, bool disposeConnection, Func<DataOptions, DataOptions> optionsSetter)
    Parameters
    Type Name Description
    IDataProvider dataProvider

    Database provider implementation to use with this connection.

    DbConnection connection

    Existing database connection to use.

    System.Boolean disposeConnection

    If true connection would be disposed on DataConnection disposing.

    Func<DataOptions, DataOptions> optionsSetter
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    DataConnection(IDataProvider, DbTransaction)

    Creates database connection object that uses specified database provider and transaction.

    Declaration
    public DataConnection(IDataProvider dataProvider, DbTransaction transaction)
    Parameters
    Type Name Description
    IDataProvider dataProvider

    Database provider implementation to use with this connection.

    DbTransaction transaction

    Existing database transaction to use.

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    DataConnection(IDataProvider, DbTransaction, Func<DataOptions, DataOptions>)

    Creates database connection object that uses specified database provider and transaction.

    Declaration
    public DataConnection(IDataProvider dataProvider, DbTransaction transaction, Func<DataOptions, DataOptions> optionsSetter)
    Parameters
    Type Name Description
    IDataProvider dataProvider

    Database provider implementation to use with this connection.

    DbTransaction transaction

    Existing database transaction to use.

    Func<DataOptions, DataOptions> optionsSetter
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    DataConnection(IDataProvider, DbTransaction, MappingSchema)

    Creates database connection object that uses specified database provider, transaction and mapping schema.

    Declaration
    public DataConnection(IDataProvider dataProvider, DbTransaction transaction, MappingSchema mappingSchema)
    Parameters
    Type Name Description
    IDataProvider dataProvider

    Database provider implementation to use with this connection.

    DbTransaction transaction

    Existing database transaction to use.

    MappingSchema mappingSchema

    Mapping schema to use with this connection.

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    DataConnection(IDataProvider, DbTransaction, MappingSchema, Func<DataOptions, DataOptions>)

    Creates database connection object that uses specified database provider, transaction and mapping schema.

    Declaration
    public DataConnection(IDataProvider dataProvider, DbTransaction transaction, MappingSchema mappingSchema, Func<DataOptions, DataOptions> optionsSetter)
    Parameters
    Type Name Description
    IDataProvider dataProvider

    Database provider implementation to use with this connection.

    DbTransaction transaction

    Existing database transaction to use.

    MappingSchema mappingSchema

    Mapping schema to use with this connection.

    Func<DataOptions, DataOptions> optionsSetter
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    DataConnection(IDataProvider, Func<DbConnection>)

    Creates database connection object that uses specified database provider and connection factory.

    Declaration
    public DataConnection(IDataProvider dataProvider, Func<DbConnection> connectionFactory)
    Parameters
    Type Name Description
    IDataProvider dataProvider

    Database provider implementation to use with this connection.

    Func<DbConnection> connectionFactory

    Database connection factory method.

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    DataConnection(IDataProvider, Func<DbConnection>, Func<DataOptions, DataOptions>)

    Creates database connection object that uses specified database provider and connection factory.

    Declaration
    public DataConnection(IDataProvider dataProvider, Func<DbConnection> connectionFactory, Func<DataOptions, DataOptions> optionsSetter)
    Parameters
    Type Name Description
    IDataProvider dataProvider

    Database provider implementation to use with this connection.

    Func<DbConnection> connectionFactory

    Database connection factory method.

    Func<DataOptions, DataOptions> optionsSetter
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    DataConnection(IDataProvider, Func<DbConnection>, MappingSchema)

    Creates database connection object that uses specified database provider, connection factory and mapping schema.

    Declaration
    public DataConnection(IDataProvider dataProvider, Func<DbConnection> connectionFactory, MappingSchema mappingSchema)
    Parameters
    Type Name Description
    IDataProvider dataProvider

    Database provider implementation to use with this connection.

    Func<DbConnection> connectionFactory

    Database connection factory method.

    MappingSchema mappingSchema

    Mapping schema to use with this connection.

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    DataConnection(IDataProvider, Func<DbConnection>, MappingSchema, Func<DataOptions, DataOptions>)

    Creates database connection object that uses specified database provider, connection factory and mapping schema.

    Declaration
    public DataConnection(IDataProvider dataProvider, Func<DbConnection> connectionFactory, MappingSchema mappingSchema, Func<DataOptions, DataOptions> optionsSetter)
    Parameters
    Type Name Description
    IDataProvider dataProvider

    Database provider implementation to use with this connection.

    Func<DbConnection> connectionFactory

    Database connection factory method.

    MappingSchema mappingSchema

    Mapping schema to use with this connection.

    Func<DataOptions, DataOptions> optionsSetter
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    DataConnection(IDataProvider, String)

    Creates database connection object that uses specified database provider and connection string.

    Declaration
    public DataConnection(IDataProvider dataProvider, string connectionString)
    Parameters
    Type Name Description
    IDataProvider dataProvider

    Database provider implementation to use with this connection.

    System.String connectionString

    Database connection string to use for connection with database.

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    DataConnection(IDataProvider, String, Func<DataOptions, DataOptions>)

    Creates database connection object that uses specified database provider and connection string.

    Declaration
    public DataConnection(IDataProvider dataProvider, string connectionString, Func<DataOptions, DataOptions> optionsSetter)
    Parameters
    Type Name Description
    IDataProvider dataProvider

    Database provider implementation to use with this connection.

    System.String connectionString

    Database connection string to use for connection with database.

    Func<DataOptions, DataOptions> optionsSetter
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    DataConnection(IDataProvider, String, MappingSchema)

    Creates database connection object that uses specified database provider, connection string and mapping schema.

    Declaration
    public DataConnection(IDataProvider dataProvider, string connectionString, MappingSchema mappingSchema)
    Parameters
    Type Name Description
    IDataProvider dataProvider

    Database provider implementation to use with this connection.

    System.String connectionString

    Database connection string to use for connection with database.

    MappingSchema mappingSchema

    Mapping schema to use with this connection.

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    DataConnection(IDataProvider, String, MappingSchema, Func<DataOptions, DataOptions>)

    Creates database connection object that uses specified database provider, connection string and mapping schema.

    Declaration
    public DataConnection(IDataProvider dataProvider, string connectionString, MappingSchema mappingSchema, Func<DataOptions, DataOptions> optionsSetter)
    Parameters
    Type Name Description
    IDataProvider dataProvider

    Database provider implementation to use with this connection.

    System.String connectionString

    Database connection string to use for connection with database.

    MappingSchema mappingSchema

    Mapping schema to use with this connection.

    Func<DataOptions, DataOptions> optionsSetter
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    DataConnection(MappingSchema)

    Creates database connection object that uses default connection configuration from DefaultConfiguration property and provided mapping schema.

    Declaration
    public DataConnection(MappingSchema mappingSchema)
    Parameters
    Type Name Description
    MappingSchema mappingSchema

    Mapping schema to use with this connection.

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    DataConnection(MappingSchema, Func<DataOptions, DataOptions>)

    Creates database connection object that uses default connection configuration from DefaultConfiguration property and provided mapping schema.

    Declaration
    public DataConnection(MappingSchema mappingSchema, Func<DataOptions, DataOptions> optionsSetter)
    Parameters
    Type Name Description
    MappingSchema mappingSchema

    Mapping schema to use with this connection.

    Func<DataOptions, DataOptions> optionsSetter
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    DataConnection(Nullable<String>)

    Creates database connection object that uses provided connection configuration.

    Declaration
    public DataConnection(string? configurationString)
    Parameters
    Type Name Description
    System.Nullable<System.String> configurationString

    Name of database connection configuration to use with this connection. In case of null, configuration from DefaultConfiguration property will be used.

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    DataConnection(Nullable<String>, Func<DataOptions, DataOptions>)

    Creates database connection object that uses provided connection configuration.

    Declaration
    public DataConnection(string? configurationString, Func<DataOptions, DataOptions> optionsSetter)
    Parameters
    Type Name Description
    System.Nullable<System.String> configurationString

    Name of database connection configuration to use with this connection. In case of null, configuration from DefaultConfiguration property will be used.

    Func<DataOptions, DataOptions> optionsSetter
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    DataConnection(Nullable<String>, MappingSchema)

    Creates database connection object that uses provided connection configuration and mapping schema.

    Declaration
    public DataConnection(string? configurationString, MappingSchema mappingSchema)
    Parameters
    Type Name Description
    System.Nullable<System.String> configurationString

    Name of database connection configuration to use with this connection. In case of null, configuration from DefaultConfiguration property will be used.

    MappingSchema mappingSchema

    Mapping schema to use with this connection.

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    DataConnection(Nullable<String>, MappingSchema, Func<DataOptions, DataOptions>)

    Creates database connection object that uses provided connection configuration and mapping schema.

    Declaration
    public DataConnection(string? configurationString, MappingSchema mappingSchema, Func<DataOptions, DataOptions> optionsSetter)
    Parameters
    Type Name Description
    System.Nullable<System.String> configurationString

    Name of database connection configuration to use with this connection. In case of null, configuration from DefaultConfiguration property will be used.

    MappingSchema mappingSchema

    Mapping schema to use with this connection.

    Func<DataOptions, DataOptions> optionsSetter
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    DataConnection(String, String)

    Creates database connection object that uses specified database provider and connection string.

    Declaration
    public DataConnection(string providerName, string connectionString)
    Parameters
    Type Name Description
    System.String providerName

    Name of database provider to use with this connection. ProviderName class for list of providers.

    System.String connectionString

    Database connection string to use for connection with database.

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    DataConnection(String, String, Func<DataOptions, DataOptions>)

    Creates database connection object that uses specified database provider and connection string.

    Declaration
    public DataConnection(string providerName, string connectionString, Func<DataOptions, DataOptions> optionsSetter)
    Parameters
    Type Name Description
    System.String providerName

    Name of database provider to use with this connection. ProviderName class for list of providers.

    System.String connectionString

    Database connection string to use for connection with database.

    Func<DataOptions, DataOptions> optionsSetter
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    DataConnection(String, String, MappingSchema)

    Creates database connection object that uses specified database provider, connection string and mapping schema.

    Declaration
    public DataConnection(string providerName, string connectionString, MappingSchema mappingSchema)
    Parameters
    Type Name Description
    System.String providerName

    Name of database provider to use with this connection. ProviderName class for list of providers.

    System.String connectionString

    Database connection string to use for connection with database.

    MappingSchema mappingSchema

    Mapping schema to use with this connection.

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    DataConnection(String, String, MappingSchema, Func<DataOptions, DataOptions>)

    Creates database connection object that uses specified database provider, connection string and mapping schema.

    Declaration
    public DataConnection(string providerName, string connectionString, MappingSchema mappingSchema, Func<DataOptions, DataOptions> optionsSetter)
    Parameters
    Type Name Description
    System.String providerName

    Name of database provider to use with this connection. ProviderName class for list of providers.

    System.String connectionString

    Database connection string to use for connection with database.

    MappingSchema mappingSchema

    Mapping schema to use with this connection.

    Func<DataOptions, DataOptions> optionsSetter

    Fields

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    WriteTraceLine

    Trace function. By Default use class for logging, but could be replaced to log e.g. to your log file. will be ignored if UseTraceWith(DataOptions, Action<Nullable<String>, Nullable<String>, TraceLevel>) is called on builder

    First parameter contains trace message.

    Second parameter contains trace message category ().

    Third parameter contains trace level for message ().

    TraceSwitch Should only not use to write trace lines, only use WriteTraceLineConnection.

    Declaration
    public static Action<string?, string?, TraceLevel> WriteTraceLine
    Field Value
    Type Description
    Action<System.Nullable<System.String>, System.Nullable<System.String>, TraceLevel>

    Properties

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    CommandTimeout

    Gets or sets command execution timeout in seconds. Negative timeout value means that default timeout will be used. 0 timeout value corresponds to infinite timeout. By default timeout is not set and default value for current provider used.

    Declaration
    public int CommandTimeout { get; set; }
    Property Value
    Type Description
    System.Int32
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    ConfigurationString

    Database configuration name (connection string name).

    Declaration
    public string? ConfigurationString { get; }
    Property Value
    Type Description
    System.Nullable<System.String>
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    Connection

    Gets underlying database connection, used by current connection object.

    Declaration
    public DbConnection Connection { get; }
    Property Value
    Type Description
    DbConnection
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    ConnectionString

    Database connection string.

    Declaration
    public string? ConnectionString { get; }
    Property Value
    Type Description
    System.Nullable<System.String>
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    DataProvider

    Database provider implementation for specific database engine.

    Declaration
    public IDataProvider DataProvider { get; }
    Property Value
    Type Description
    IDataProvider
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    DefaultConfiguration

    Gets or sets default connection configuration name. Used by DataConnection by default and could be set automatically from:

    - DefaultConfiguration;

    - first non-global connection string name from ConnectionStrings;

    - first non-global connection string name passed to SetConnectionStrings(IEnumerable<IConnectionStringSettings>) method.

    Declaration
    public static string? DefaultConfiguration { get; set; }
    Property Value
    Type Description
    System.Nullable<System.String>
    See Also
    DefaultConfiguration
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    DefaultDataProvider

    Gets or sets name of default data provider, used by new connection if user didn't specified provider explicitly in constructor or in connection options. Initialized with value from DefaultSettings.DefaultDataProvider.

    Declaration
    public static string? DefaultDataProvider { get; set; }
    Property Value
    Type Description
    System.Nullable<System.String>
    See Also
    DefaultConfiguration
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    DefaultSettings

    Gets or sets default connection settings. By default contains settings from linq2db configuration section from configuration file (not supported by .Net Core). ILinqToDBSettings

    Declaration
    public static ILinqToDBSettings DefaultSettings { get; set; }
    Property Value
    Type Description
    ILinqToDBSettings
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    Disposed

    Declaration
    protected bool Disposed { get; }
    Property Value
    Type Description
    System.Boolean
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    InlineParameters

    Gets or sets option to force inline parameter values as literals into command text. If parameter inlining not supported for specific value type, it will be used as parameter.

    Declaration
    public bool InlineParameters { get; set; }
    Property Value
    Type Description
    System.Boolean
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    IsMarsEnabled

    Gets or sets status of Multiple Active Result Sets (MARS) feature. This feature available only for SQL Azure and SQL Server 2005+.

    Declaration
    public bool IsMarsEnabled { get; set; }
    Property Value
    Type Description
    System.Boolean
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    LastQuery

    Contains text of last command, sent to database using current connection.

    Declaration
    public string? LastQuery { get; }
    Property Value
    Type Description
    System.Nullable<System.String>
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    MappingSchema

    Gets mapping schema, used for current connection.

    Declaration
    public MappingSchema MappingSchema { get; }
    Property Value
    Type Description
    MappingSchema
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    NextQueryHints

    Gets list of query hints (writable collection), that will be used only for next query, executed through current connection.

    Declaration
    public List<string> NextQueryHints { get; }
    Property Value
    Type Description
    List<System.String>
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    OnRemoveInterceptor

    Declaration
    public Action<IInterceptor>? OnRemoveInterceptor { get; set; }
    Property Value
    Type Description
    System.Nullable<Action<IInterceptor>>
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    OnTraceConnection

    Gets or sets trace handler, used for current connection instance. Configured on the connection builder using UseTracing(DataOptions, Action<TraceInfo>). defaults to WriteTraceLineConnection calls.

    Declaration
    public Action<TraceInfo> OnTraceConnection { get; set; }
    Property Value
    Type Description
    Action<TraceInfo>
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    Options

    Current DataContext options

    Declaration
    public DataOptions Options { get; }
    Property Value
    Type Description
    DataOptions
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    QueryHints

    Gets list of query hints (writable collection), that will be used for all queries, executed through current connection.

    Declaration
    public List<string> QueryHints { get; }
    Property Value
    Type Description
    List<System.String>
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    RetryPolicy

    Retry policy for current connection.

    Declaration
    public IRetryPolicy RetryPolicy { get; set; }
    Property Value
    Type Description
    IRetryPolicy
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    ThrowOnDisposed

    Declaration
    public bool? ThrowOnDisposed { get; set; }
    Property Value
    Type Description
    System.Nullable<System.Boolean>
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    TraceSwitch

    Gets or sets global data connection trace options. Used for all new connections unless UseTraceLevel(DataOptions, TraceLevel) is called on builder. defaults to off unless library was built in debug mode. Should only be used when TraceSwitchConnection can not be used!

    Declaration
    public static TraceSwitch TraceSwitch { get; set; }
    Property Value
    Type Description
    TraceSwitch
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    TraceSwitchConnection

    gets or sets the trace switch, this is used by some methods to determine if OnTraceConnection should be called. defaults to TraceSwitch used for current connection instance.

    Declaration
    public TraceSwitch TraceSwitchConnection { get; set; }
    Property Value
    Type Description
    TraceSwitch
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    Transaction

    Gets current transaction, associated with connection.

    Declaration
    public DbTransaction? Transaction { get; }
    Property Value
    Type Description
    System.Nullable<DbTransaction>
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    WriteTraceLineConnection

    Gets the delegate to write logging messages for this connection. Defaults to WriteTraceLine. Used for the current instance.

    Declaration
    public Action<string?, string?, TraceLevel> WriteTraceLineConnection { get; }
    Property Value
    Type Description
    Action<System.Nullable<System.String>, System.Nullable<System.String>, TraceLevel>

    Methods

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    AddConfiguration(String, String, IDataProvider)

    Register connection configuration with specified connection string and database provider implementation.

    Declaration
    public static void AddConfiguration(string configuration, string connectionString, IDataProvider dataProvider = null)
    Parameters
    Type Name Description
    System.String configuration

    Connection configuration name.

    System.String connectionString

    Connection string.

    IDataProvider dataProvider

    Database provider. If not specified, will use provider, registered using configuration value.

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    AddDataProvider(IDataProvider)

    Registers database provider implementation using Name name.

    Declaration
    public static void AddDataProvider(IDataProvider dataProvider)
    Parameters
    Type Name Description
    IDataProvider dataProvider

    Database provider implementation.

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    AddDataProvider(String, IDataProvider)

    Registers database provider implementation by provided unique name.

    Declaration
    public static void AddDataProvider(string providerName, IDataProvider dataProvider)
    Parameters
    Type Name Description
    System.String providerName

    Provider name, to which provider implementation will be mapped.

    IDataProvider dataProvider

    Database provider implementation.

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    AddInterceptor(IInterceptor)

    Adds interceptor instance to context.

    Declaration
    public void AddInterceptor(IInterceptor interceptor)
    Parameters
    Type Name Description
    IInterceptor interceptor

    Interceptor.

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    AddMappingSchema(MappingSchema)

    Adds additional mapping schema to current connection.

    Declaration
    public DataConnection AddMappingSchema(MappingSchema mappingSchema)
    Parameters
    Type Name Description
    MappingSchema mappingSchema

    Mapping schema.

    Returns
    Type Description
    DataConnection

    Current connection object.

    Remarks

    DataConnection will share MappingSchema instances that were created by combining same mapping schemas.

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    AddOrSetConfiguration(String, String, String)

    Declaration
    public static void AddOrSetConfiguration(string configuration, string connectionString, string dataProvider)
    Parameters
    Type Name Description
    System.String configuration
    System.String connectionString
    System.String dataProvider
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    AddProviderDetector(Func<IConnectionStringSettings, String, IDataProvider>)

    Registers database provider factory method. Factory accepts connection string settings and connection string. Could return null, if cannot create provider instance using provided options.

    Declaration
    public static void AddProviderDetector(Func<IConnectionStringSettings, string, IDataProvider> providerDetector)
    Parameters
    Type Name Description
    Func<IConnectionStringSettings, System.String, IDataProvider> providerDetector

    Factory method delegate.

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    BeginTransaction()

    Starts new transaction for current connection with default isolation level. If connection already has transaction, it will be rolled back.

    Declaration
    public virtual DataConnectionTransaction BeginTransaction()
    Returns
    Type Description
    DataConnectionTransaction

    Database transaction object.

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    BeginTransaction(IsolationLevel)

    Starts new transaction for current connection with specified isolation level. If connection already have transaction, it will be rolled back.

    Declaration
    public virtual DataConnectionTransaction BeginTransaction(IsolationLevel isolationLevel)
    Parameters
    Type Name Description
    IsolationLevel isolationLevel

    Transaction isolation level.

    Returns
    Type Description
    DataConnectionTransaction

    Database transaction object.

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    BeginTransactionAsync(CancellationToken)

    Starts new transaction asynchronously for current connection with default isolation level. If connection already has transaction, it will be rolled back.

    Declaration
    public virtual async Task<DataConnectionTransaction> BeginTransactionAsync(CancellationToken cancellationToken = null)
    Parameters
    Type Name Description
    CancellationToken cancellationToken

    Asynchronous operation cancellation token.

    Returns
    Type Description
    Task<DataConnectionTransaction>

    Database transaction object.

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    BeginTransactionAsync(IsolationLevel, CancellationToken)

    Starts new transaction asynchronously for current connection with specified isolation level. If connection already have transaction, it will be rolled back.

    Declaration
    public virtual async Task<DataConnectionTransaction> BeginTransactionAsync(IsolationLevel isolationLevel, CancellationToken cancellationToken = null)
    Parameters
    Type Name Description
    IsolationLevel isolationLevel

    Transaction isolation level.

    CancellationToken cancellationToken

    Asynchronous operation cancellation token.

    Returns
    Type Description
    Task<DataConnectionTransaction>

    Database transaction object.

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    CheckAndThrowOnDisposed()

    Declaration
    protected void CheckAndThrowOnDisposed()
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    ClearObjectReaderCache()

    Removes cached data mappers.

    Declaration
    public static void ClearObjectReaderCache()
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    Clone()

    Clones current connection.

    Declaration
    public object Clone()
    Returns
    Type Description
    System.Object

    Cloned connection.

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    Close()

    Closes and dispose associated underlying database transaction/connection.

    Declaration
    public virtual void Close()
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    CloseAsync()

    Closes and dispose associated underlying database transaction/connection asynchronously.

    Declaration
    public virtual async Task CloseAsync()
    Returns
    Type Description
    Task

    Asynchronous operation completion task.

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    CommitTransaction()

    Commits transaction (if any), associated with connection.

    Declaration
    public virtual void CommitTransaction()
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    CommitTransactionAsync(CancellationToken)

    Commits started (if any) transaction, associated with connection. If underlying provider doesn't support asynchronous commit, it will be performed synchronously.

    Declaration
    public virtual async Task CommitTransactionAsync(CancellationToken cancellationToken = null)
    Parameters
    Type Name Description
    CancellationToken cancellationToken

    Asynchronous operation cancellation token.

    Returns
    Type Description
    Task

    Asynchronous operation completion task.

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    CreateCommand()

    This is internal API and is not intended for use by Linq To DB applications.

    Declaration
    public DbCommand CreateCommand()
    Returns
    Type Description
    DbCommand
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    Dispose()

    Disposes connection.

    Declaration
    public void Dispose()
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    DisposeAsync()

    Disposes connection asynchronously.

    Declaration
    public async Task DisposeAsync()
    Returns
    Type Description
    Task

    Asynchronous operation completion task.

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    DisposeCommand()

    This is internal API and is not intended for use by Linq To DB applications.

    Declaration
    public void DisposeCommand()
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    DisposeTransaction()

    Disposes transaction (if any), associated with connection.

    Declaration
    public virtual void DisposeTransaction()
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    DisposeTransactionAsync()

    Dispose started (if any) transaction, associated with connection. If underlying provider doesn't support asynchonous disposal, it will be performed synchonously.

    Declaration
    public virtual async Task DisposeTransactionAsync()
    Returns
    Type Description
    Task

    Asynchronous operation completion task.

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    EnsureConnectionAsync(CancellationToken)

    Ensure that database connection opened. If opened connection missing, it will be opened asynchronously.

    Declaration
    public async Task EnsureConnectionAsync(CancellationToken cancellationToken = null)
    Parameters
    Type Name Description
    CancellationToken cancellationToken

    Asynchronous operation cancellation token.

    Returns
    Type Description
    Task

    Async operation task.

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    ExecuteNonQuery(DbCommand)

    Declaration
    protected virtual int ExecuteNonQuery(DbCommand command)
    Parameters
    Type Name Description
    DbCommand command
    Returns
    Type Description
    System.Int32
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    ExecuteNonQueryAsync(CancellationToken)

    Declaration
    protected virtual async Task<int> ExecuteNonQueryAsync(CancellationToken cancellationToken)
    Parameters
    Type Name Description
    CancellationToken cancellationToken
    Returns
    Type Description
    Task<System.Int32>
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    ExecuteReader(CommandBehavior)

    Declaration
    protected virtual DataReaderWrapper ExecuteReader(CommandBehavior commandBehavior)
    Parameters
    Type Name Description
    CommandBehavior commandBehavior
    Returns
    Type Description
    DataReaderWrapper
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    ExecuteReaderAsync(CommandBehavior, CancellationToken)

    Declaration
    protected virtual async Task<DataReaderWrapper> ExecuteReaderAsync(CommandBehavior commandBehavior, CancellationToken cancellationToken)
    Parameters
    Type Name Description
    CommandBehavior commandBehavior
    CancellationToken cancellationToken
    Returns
    Type Description
    Task<DataReaderWrapper>
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    ExecuteScalar(DbCommand)

    Declaration
    protected virtual object? ExecuteScalar(DbCommand command)
    Parameters
    Type Name Description
    DbCommand command
    Returns
    Type Description
    System.Nullable<System.Object>
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    ExecuteScalarAsync(CancellationToken)

    Declaration
    protected virtual async Task<object?> ExecuteScalarAsync(CancellationToken cancellationToken)
    Parameters
    Type Name Description
    CancellationToken cancellationToken
    Returns
    Type Description
    Task<System.Nullable<System.Object>>
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    GetConnectionString(String)

    Returns connection string for specified connection name.

    Declaration
    public static string GetConnectionString(string configurationString)
    Parameters
    Type Name Description
    System.String configurationString

    Connection name.

    Returns
    Type Description
    System.String

    Connection string.

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    GetDataProvider(String)

    Returns database provider implementation, associated with provided connection configuration name.

    Declaration
    public static IDataProvider GetDataProvider(string configurationString)
    Parameters
    Type Name Description
    System.String configurationString

    Connection configuration name.

    Returns
    Type Description
    IDataProvider

    Database provider.

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    GetDataProvider(String, String)

    Returns database provider associated with provider name and connection string.

    Declaration
    public static IDataProvider GetDataProvider(string providerName, string connectionString)
    Parameters
    Type Name Description
    System.String providerName

    Provider name.

    System.String connectionString

    Connection string.

    Returns
    Type Description
    IDataProvider

    Database provider.

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    GetDataProvider(String, String, String)

    Returns database provider associated with provider name, configuration and connection string.

    Declaration
    public static IDataProvider GetDataProvider(string providerName, string configurationString, string connectionString)
    Parameters
    Type Name Description
    System.String providerName

    Provider name.

    System.String configurationString

    Connection configuration name.

    System.String connectionString

    Connection string.

    Returns
    Type Description
    IDataProvider

    Database provider.

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    GetFluentMappingBuilder()

    Declaration
    public FluentMappingBuilder GetFluentMappingBuilder()
    Returns
    Type Description
    FluentMappingBuilder
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    GetRegisteredProviders()

    Returns registered database providers.

    Declaration
    public static IReadOnlyDictionary<string, IDataProvider> GetRegisteredProviders()
    Returns
    Type Description
    IReadOnlyDictionary<System.String, IDataProvider>

    Returns registered providers collection.

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    InsertProviderDetector(Func<IConnectionStringSettings, String, IDataProvider>)

    Registers database provider factory method. Factory accepts connection string settings and connection string. Could return null, if cannot create provider instance using provided options.

    Declaration
    public static void InsertProviderDetector(Func<IConnectionStringSettings, string, IDataProvider> providerDetector)
    Parameters
    Type Name Description
    Func<IConnectionStringSettings, System.String, IDataProvider> providerDetector

    Factory method delegate.

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    ProcessQuery(SqlStatement, EvaluationContext)

    Declaration
    protected virtual SqlStatement ProcessQuery(SqlStatement statement, EvaluationContext context)
    Parameters
    Type Name Description
    SqlStatement statement
    EvaluationContext context
    Returns
    Type Description
    SqlStatement
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    RemoveInterceptor(IInterceptor)

    Declaration
    public void RemoveInterceptor(IInterceptor interceptor)
    Parameters
    Type Name Description
    IInterceptor interceptor
    | Improve this Doc View Source

    RollbackTransaction()

    Rollbacks transaction (if any), associated with connection.

    Declaration
    public virtual void RollbackTransaction()
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    RollbackTransactionAsync(CancellationToken)

    Rollbacks started (if any) transaction, associated with connection. If underlying provider doesn't support asynchonous commit, it will be performed synchonously.

    Declaration
    public virtual async Task RollbackTransactionAsync(CancellationToken cancellationToken = null)
    Parameters
    Type Name Description
    CancellationToken cancellationToken

    Asynchronous operation cancellation token.

    Returns
    Type Description
    Task

    Asynchronous operation completion task.

    | Improve this Doc View Source

    SetConnectionString(String, String)

    Sets connection string for specified connection name.

    Declaration
    public static void SetConnectionString(string configuration, string connectionString)
    Parameters
    Type Name Description
    System.String configuration

    Connection name.

    System.String connectionString

    Connection string.

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    SetConnectionStrings(IEnumerable<IConnectionStringSettings>)

    Register connection strings for use by data connection class.

    Declaration
    public static void SetConnectionStrings(IEnumerable<IConnectionStringSettings> connectionStrings)
    Parameters
    Type Name Description
    IEnumerable<IConnectionStringSettings> connectionStrings

    Collection of connection string configurations.

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    TraceAction<TContext, TResult>(DataConnection, TraceOperation, Nullable<Func<TContext, Nullable<String>>>, TContext, Func<DataConnection, TContext, TResult>)

    Declaration
    protected static TResult TraceAction<TContext, TResult>(DataConnection dataConnection, TraceOperation traceOperation, Func<TContext, string?>? commandText, TContext context, Func<DataConnection, TContext, TResult> action)
    Parameters
    Type Name Description
    DataConnection dataConnection
    TraceOperation traceOperation
    System.Nullable<Func<TContext, System.Nullable<System.String>>> commandText
    TContext context
    Func<DataConnection, TContext, TResult> action
    Returns
    Type Description
    TResult
    Type Parameters
    Name Description
    TContext
    TResult
    | Improve this Doc View Source

    TraceActionAsync<TContext, TResult>(DataConnection, TraceOperation, Nullable<Func<TContext, Nullable<String>>>, TContext, Func<DataConnection, TContext, CancellationToken, Task<TResult>>, CancellationToken)

    Declaration
    protected static async Task<TResult> TraceActionAsync<TContext, TResult>(DataConnection dataConnection, TraceOperation traceOperation, Func<TContext, string?>? commandText, TContext context, Func<DataConnection, TContext, CancellationToken, Task<TResult>> action, CancellationToken cancellationToken)
    Parameters
    Type Name Description
    DataConnection dataConnection
    TraceOperation traceOperation
    System.Nullable<Func<TContext, System.Nullable<System.String>>> commandText
    TContext context
    Func<DataConnection, TContext, CancellationToken, Task<TResult>> action
    CancellationToken cancellationToken
    Returns
    Type Description
    Task<TResult>
    Type Parameters
    Name Description
    TContext
    TResult
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    TryGetConnectionString(Nullable<String>)

    Returns connection string for specified configuration name or NULL.

    Declaration
    public static string? TryGetConnectionString(string? configurationString)
    Parameters
    Type Name Description
    System.Nullable<System.String> configurationString

    Configuration.

    Returns
    Type Description
    System.Nullable<System.String>

    Connection string or NULL.

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    TurnTraceSwitchOn(TraceLevel)

    Sets tracing level for data connections.

    Declaration
    public static void TurnTraceSwitchOn(TraceLevel traceLevel = null)
    Parameters
    Type Name Description
    TraceLevel traceLevel

    Connection tracing level.

    Remarks

    Use TraceSwitchConnection when possible, configured via UseTraceLevel(DataOptions, TraceLevel).

    Explicit Interface Implementations

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    IConfigurationID.ConfigurationID

    Declaration
    int IConfigurationID.ConfigurationID { get; }
    Returns
    Type Description
    System.Int32
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    IDataContext.Clone(Boolean)

    Declaration
    IDataContext IDataContext.Clone(bool forNestedQuery)
    Parameters
    Type Name Description
    System.Boolean forNestedQuery
    Returns
    Type Description
    IDataContext
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    IDataContext.CloseAfterUse

    Declaration
    bool IDataContext.CloseAfterUse { get; set; }
    Returns
    Type Description
    System.Boolean
    | Improve this Doc View Source

    IDataContext.ContextName

    Declaration
    string IDataContext.ContextName { get; }
    Returns
    Type Description
    System.String
    | Improve this Doc View Source

    IDataContext.CreateSqlProvider

    Declaration
    Func<ISqlBuilder> IDataContext.CreateSqlProvider { get; }
    Returns
    Type Description
    Func<ISqlBuilder>
    | Improve this Doc View Source

    IDataContext.DataReaderType

    Declaration
    Type IDataContext.DataReaderType { get; }
    Returns
    Type Description
    Type
    | Improve this Doc View Source

    IDataContext.GetQueryRunner(Query, Int32, Expression, Nullable<Object>[], Nullable<Object>[])

    Declaration
    IQueryRunner IDataContext.GetQueryRunner(Query query, int queryNumber, Expression expression, object? [] parameters, object? [] preambles)
    Parameters
    Type Name Description
    Query query
    System.Int32 queryNumber
    Expression expression
    System.Nullable<System.Object>[] parameters
    System.Nullable<System.Object>[] preambles
    Returns
    Type Description
    IQueryRunner
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    IDataContext.GetReaderExpression(DbDataReader, Int32, Expression, Type)

    Declaration
    Expression IDataContext.GetReaderExpression(DbDataReader reader, int idx, Expression readerExpression, Type toType)
    Parameters
    Type Name Description
    DbDataReader reader
    System.Int32 idx
    Expression readerExpression
    Type toType
    Returns
    Type Description
    Expression
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    IDataContext.GetSqlOptimizer

    Declaration
    Func<DataOptions, ISqlOptimizer> IDataContext.GetSqlOptimizer { get; }
    Returns
    Type Description
    Func<DataOptions, ISqlOptimizer>
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    IDataContext.IsDBNullAllowed(DbDataReader, Int32)

    Declaration
    bool? IDataContext.IsDBNullAllowed(DbDataReader reader, int idx)
    Parameters
    Type Name Description
    DbDataReader reader
    System.Int32 idx
    Returns
    Type Description
    System.Nullable<System.Boolean>
    | Improve this Doc View Source

    IDataContext.SqlProviderFlags

    Declaration
    SqlProviderFlags IDataContext.SqlProviderFlags { get; }
    Returns
    Type Description
    SqlProviderFlags
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    IDataContext.SupportedTableOptions

    Declaration
    TableOptions IDataContext.SupportedTableOptions { get; }
    Returns
    Type Description
    TableOptions
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    IDataContext.UnwrapDataObjectInterceptor

    Declaration
    IUnwrapDataObjectInterceptor IDataContext.UnwrapDataObjectInterceptor { get; }
    Returns
    Type Description
    IUnwrapDataObjectInterceptor
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    IInterceptable<ICommandInterceptor>.Interceptor

    Declaration
    ICommandInterceptor IInterceptable<ICommandInterceptor>.Interceptor { get; set; }
    Returns
    Type Description
    ICommandInterceptor
    | Improve this Doc View Source

    IInterceptable<IConnectionInterceptor>.Interceptor

    Declaration
    IConnectionInterceptor IInterceptable<IConnectionInterceptor>.Interceptor { get; set; }
    Returns
    Type Description
    IConnectionInterceptor
    | Improve this Doc View Source

    IInterceptable<IDataContextInterceptor>.Interceptor

    Declaration
    IDataContextInterceptor IInterceptable<IDataContextInterceptor>.Interceptor { get; set; }
    Returns
    Type Description
    IDataContextInterceptor
    | Improve this Doc View Source

    IInterceptable<IEntityServiceInterceptor>.Interceptor

    Declaration
    IEntityServiceInterceptor IInterceptable<IEntityServiceInterceptor>.Interceptor { get; set; }
    Returns
    Type Description
    IEntityServiceInterceptor
    | Improve this Doc View Source

    IInterceptable<IUnwrapDataObjectInterceptor>.Interceptor

    Declaration
    IUnwrapDataObjectInterceptor IInterceptable<IUnwrapDataObjectInterceptor>.Interceptor { get; set; }
    Returns
    Type Description
    IUnwrapDataObjectInterceptor

    Implements

    IDataContext
    IConfigurationID
    IDisposable
    IAsyncDisposable
    ICloneable
    IInterceptable<T>
    IInterceptable<T>
    IInterceptable<T>
    IInterceptable<T>
    IInterceptable<T>
    IInterceptable

    Extension Methods

    Map.DeepCopy<T>(T)
    InterceptorExtensions.OnNextCommandInitialized(DataConnection, Func<CommandEventData, DbCommand, DbCommand>)
    Sql.IsDistinctFrom<T>(T, T)
    Sql.IsNotDistinctFrom<T>(T, T)
    DataConnectionExtensions.SetCommand(DataConnection, String)
    DataConnectionExtensions.SetCommand(DataConnection, String, DataParameter[])
    DataConnectionExtensions.SetCommand(DataConnection, String, DataParameter)
    DataConnectionExtensions.SetCommand(DataConnection, String, Nullable<Object>)
    DataConnectionExtensions.Query<T>(DataConnection, Func<DbDataReader, T>, String)
    DataConnectionExtensions.QueryProc<T>(DataConnection, Func<DbDataReader, T>, String, DataParameter[])
    DataConnectionExtensions.QueryProcAsync<T>(DataConnection, Func<DbDataReader, T>, String, DataParameter[])
    DataConnectionExtensions.QueryProcAsync<T>(DataConnection, Func<DbDataReader, T>, String, CancellationToken, DataParameter[])
    DataConnectionExtensions.QueryProc<T>(DataConnection, Func<DbDataReader, T>, String, Nullable<Object>)
    DataConnectionExtensions.QueryProcAsync<T>(DataConnection, Func<DbDataReader, T>, String, Nullable<Object>, CancellationToken)
    DataConnectionExtensions.Query<T>(DataConnection, Func<DbDataReader, T>, String, DataParameter[])
    DataConnectionExtensions.Query<T>(DataConnection, Func<DbDataReader, T>, String, Nullable<Object>)
    DataConnectionExtensions.QueryToListAsync<T>(DataConnection, Func<DbDataReader, T>, String)
    DataConnectionExtensions.QueryToListAsync<T>(DataConnection, Func<DbDataReader, T>, String, CancellationToken)
    DataConnectionExtensions.QueryToArrayAsync<T>(DataConnection, Func<DbDataReader, T>, String)
    DataConnectionExtensions.QueryToArrayAsync<T>(DataConnection, Func<DbDataReader, T>, String, CancellationToken)
    DataConnectionExtensions.QueryToListAsync<T>(DataConnection, Func<DbDataReader, T>, String, DataParameter[])
    DataConnectionExtensions.QueryToListAsync<T>(DataConnection, Func<DbDataReader, T>, String, CancellationToken, DataParameter[])
    DataConnectionExtensions.QueryToArrayAsync<T>(DataConnection, Func<DbDataReader, T>, String, DataParameter[])
    DataConnectionExtensions.QueryToArrayAsync<T>(DataConnection, Func<DbDataReader, T>, String, CancellationToken, DataParameter[])
    DataConnectionExtensions.QueryToListAsync<T>(DataConnection, Func<DbDataReader, T>, String, Nullable<Object>)
    DataConnectionExtensions.QueryToListAsync<T>(DataConnection, Func<DbDataReader, T>, String, Nullable<Object>, CancellationToken)
    DataConnectionExtensions.QueryToArrayAsync<T>(DataConnection, Func<DbDataReader, T>, String, Nullable<Object>)
    DataConnectionExtensions.QueryToArrayAsync<T>(DataConnection, Func<DbDataReader, T>, String, CancellationToken, Nullable<Object>)
    DataConnectionExtensions.Query<T>(DataConnection, String)
    DataConnectionExtensions.Query<T>(DataConnection, String, DataParameter[])
    DataConnectionExtensions.QueryMultiple<T>(DataConnection, String, DataParameter[])
    DataConnectionExtensions.QueryMultipleAsync<T>(DataConnection, String, DataParameter[])
    DataConnectionExtensions.QueryMultipleAsync<T>(DataConnection, String, CancellationToken, DataParameter[])
    DataConnectionExtensions.QueryProc<T>(DataConnection, String, DataParameter[])
    DataConnectionExtensions.QueryProcAsync<T>(DataConnection, String, DataParameter[])
    DataConnectionExtensions.QueryProcAsync<T>(DataConnection, String, CancellationToken, DataParameter[])
    DataConnectionExtensions.QueryProc<T>(DataConnection, String, Nullable<Object>)
    DataConnectionExtensions.QueryProcAsync<T>(DataConnection, String, Nullable<Object>, CancellationToken)
    DataConnectionExtensions.QueryProcMultipleAsync<T>(DataConnection, String, CancellationToken, DataParameter[])
    DataConnectionExtensions.QueryProcMultipleAsync<T>(DataConnection, String, CancellationToken, Nullable<Object>)
    DataConnectionExtensions.QueryProcMultipleAsync<T>(DataConnection, String, DataParameter[])
    DataConnectionExtensions.QueryProcMultipleAsync<T>(DataConnection, String, Nullable<Object>)
    DataConnectionExtensions.QueryProcMultiple<T>(DataConnection, String, DataParameter[])
    DataConnectionExtensions.QueryProcMultiple<T>(DataConnection, String, Nullable<Object>)
    DataConnectionExtensions.Query<T>(DataConnection, String, DataParameter)
    DataConnectionExtensions.Query<T>(DataConnection, String, Nullable<Object>)
    DataConnectionExtensions.QueryToListAsync<T>(DataConnection, String)
    DataConnectionExtensions.QueryToListAsync<T>(DataConnection, String, CancellationToken)
    DataConnectionExtensions.QueryToArrayAsync<T>(DataConnection, String)
    DataConnectionExtensions.QueryToArrayAsync<T>(DataConnection, String, CancellationToken)
    DataConnectionExtensions.QueryToListAsync<T>(DataConnection, String, DataParameter[])
    DataConnectionExtensions.QueryToListAsync<T>(DataConnection, String, CancellationToken, DataParameter[])
    DataConnectionExtensions.QueryToArrayAsync<T>(DataConnection, String, DataParameter[])
    DataConnectionExtensions.QueryToArrayAsync<T>(DataConnection, String, CancellationToken, DataParameter[])
    DataConnectionExtensions.QueryToListAsync<T>(DataConnection, String, DataParameter)
    DataConnectionExtensions.QueryToListAsync<T>(DataConnection, String, DataParameter, CancellationToken)
    DataConnectionExtensions.QueryToArrayAsync<T>(DataConnection, String, DataParameter)
    DataConnectionExtensions.QueryToArrayAsync<T>(DataConnection, String, DataParameter, CancellationToken)
    DataConnectionExtensions.QueryToListAsync<T>(DataConnection, String, Nullable<Object>)
    DataConnectionExtensions.QueryToListAsync<T>(DataConnection, String, CancellationToken, Nullable<Object>)
    DataConnectionExtensions.QueryToArrayAsync<T>(DataConnection, String, Nullable<Object>)
    DataConnectionExtensions.QueryToArrayAsync<T>(DataConnection, String, CancellationToken, Nullable<Object>)
    DataConnectionExtensions.Query<T>(DataConnection, T, String, DataParameter[])
    DataConnectionExtensions.Query<T>(DataConnection, T, String, Nullable<Object>)
    DataConnectionExtensions.QueryProc<T>(DataConnection, T, String, DataParameter[])
    DataConnectionExtensions.QueryProcAsync<T>(DataConnection, T, String, DataParameter[])
    DataConnectionExtensions.QueryProcAsync<T>(DataConnection, T, String, CancellationToken, DataParameter[])
    DataConnectionExtensions.QueryProc<T>(DataConnection, T, String, Nullable<Object>)
    DataConnectionExtensions.QueryProcAsync<T>(DataConnection, T, String, Nullable<Object>, CancellationToken)
    DataConnectionExtensions.QueryToListAsync<T>(DataConnection, T, String, DataParameter[])
    DataConnectionExtensions.QueryToListAsync<T>(DataConnection, T, String, CancellationToken, DataParameter[])
    DataConnectionExtensions.QueryToArrayAsync<T>(DataConnection, T, String, DataParameter[])
    DataConnectionExtensions.QueryToArrayAsync<T>(DataConnection, T, String, CancellationToken, DataParameter[])
    DataConnectionExtensions.QueryToListAsync<T>(DataConnection, T, String, Nullable<Object>)
    DataConnectionExtensions.QueryToListAsync<T>(DataConnection, T, String, CancellationToken, Nullable<Object>)
    DataConnectionExtensions.QueryToArrayAsync<T>(DataConnection, T, String, Nullable<Object>)
    DataConnectionExtensions.QueryToArrayAsync<T>(DataConnection, T, String, CancellationToken, Nullable<Object>)
    DataConnectionExtensions.Execute(DataConnection, String)
    DataConnectionExtensions.Execute(DataConnection, String, DataParameter[])
    DataConnectionExtensions.ExecuteProc(DataConnection, String, DataParameter[])
    DataConnectionExtensions.ExecuteProc(DataConnection, String, Nullable<Object>)
    DataConnectionExtensions.Execute(DataConnection, String, Nullable<Object>)
    DataConnectionExtensions.ExecuteAsync(DataConnection, String)
    DataConnectionExtensions.ExecuteAsync(DataConnection, String, CancellationToken)
    DataConnectionExtensions.ExecuteAsync(DataConnection, String, DataParameter[])
    DataConnectionExtensions.ExecuteAsync(DataConnection, String, CancellationToken, DataParameter[])
    DataConnectionExtensions.ExecuteAsync(DataConnection, String, Nullable<Object>)
    DataConnectionExtensions.ExecuteAsync(DataConnection, String, CancellationToken, Nullable<Object>)
    DataConnectionExtensions.ExecuteProcAsync(DataConnection, String, DataParameter[])
    DataConnectionExtensions.ExecuteProcAsync(DataConnection, String, Nullable<Object>)
    DataConnectionExtensions.ExecuteProcAsync(DataConnection, String, CancellationToken, DataParameter[])
    DataConnectionExtensions.ExecuteProcAsync(DataConnection, String, CancellationToken, Nullable<Object>)
    DataConnectionExtensions.Execute<T>(DataConnection, String)
    DataConnectionExtensions.Execute<T>(DataConnection, String, DataParameter[])
    DataConnectionExtensions.Execute<T>(DataConnection, String, DataParameter)
    DataConnectionExtensions.Execute<T>(DataConnection, String, Nullable<Object>)
    DataConnectionExtensions.ExecuteProc<T>(DataConnection, String, DataParameter[])
    DataConnectionExtensions.ExecuteProc<T>(DataConnection, String, Nullable<Object>)
    DataConnectionExtensions.ExecuteAsync<T>(DataConnection, String)
    DataConnectionExtensions.ExecuteAsync<T>(DataConnection, String, CancellationToken)
    DataConnectionExtensions.ExecuteAsync<T>(DataConnection, String, DataParameter[])
    DataConnectionExtensions.ExecuteAsync<T>(DataConnection, String, CancellationToken, DataParameter[])
    DataConnectionExtensions.ExecuteAsync<T>(DataConnection, String, DataParameter)
    DataConnectionExtensions.ExecuteAsync<T>(DataConnection, String, DataParameter, CancellationToken)
    DataConnectionExtensions.ExecuteAsync<T>(DataConnection, String, Nullable<Object>)
    DataConnectionExtensions.ExecuteAsync<T>(DataConnection, String, CancellationToken, Nullable<Object>)
    DataConnectionExtensions.ExecuteProcAsync<T>(DataConnection, String, DataParameter[])
    DataConnectionExtensions.ExecuteProcAsync<T>(DataConnection, String, Nullable<Object>)
    DataConnectionExtensions.ExecuteProcAsync<T>(DataConnection, String, CancellationToken, DataParameter[])
    DataConnectionExtensions.ExecuteProcAsync<T>(DataConnection, String, CancellationToken, Nullable<Object>)
    DataConnectionExtensions.ExecuteReader(DataConnection, String)
    DataConnectionExtensions.ExecuteReader(DataConnection, String, DataParameter[])
    DataConnectionExtensions.ExecuteReader(DataConnection, String, DataParameter)
    DataConnectionExtensions.ExecuteReader(DataConnection, String, Nullable<Object>)
    DataConnectionExtensions.ExecuteReader(DataConnection, String, CommandType, CommandBehavior, DataParameter[])
    DataConnectionExtensions.BulkCopy<T>(DataConnection, BulkCopyOptions, IEnumerable<T>)
    DataConnectionExtensions.BulkCopy<T>(DataConnection, Int32, IEnumerable<T>)
    DataConnectionExtensions.BulkCopy<T>(DataConnection, IEnumerable<T>)
    DataConnectionExtensions.BulkCopyAsync<T>(DataConnection, BulkCopyOptions, IEnumerable<T>, CancellationToken)
    DataConnectionExtensions.BulkCopyAsync<T>(DataConnection, Int32, IEnumerable<T>, CancellationToken)
    DataConnectionExtensions.BulkCopyAsync<T>(DataConnection, IEnumerable<T>, CancellationToken)
    DataConnectionExtensions.Merge<T>(DataConnection, IQueryable<T>, Expression<Func<T, Boolean>>, Nullable<String>, Nullable<String>, Nullable<String>, Nullable<String>, TableOptions)
    DataConnectionExtensions.Merge<T>(DataConnection, Expression<Func<T, Boolean>>, IEnumerable<T>, Nullable<String>, Nullable<String>, Nullable<String>, Nullable<String>, TableOptions)
    DataConnectionExtensions.Merge<T>(DataConnection, Boolean, IEnumerable<T>, Nullable<String>, Nullable<String>, Nullable<String>, Nullable<String>, TableOptions)
    DataConnectionExtensions.Merge<T>(DataConnection, IEnumerable<T>, Nullable<String>, Nullable<String>, Nullable<String>, Nullable<String>, TableOptions)
    DataConnectionExtensions.MergeAsync<T>(DataConnection, IQueryable<T>, Expression<Func<T, Boolean>>, Nullable<String>, Nullable<String>, Nullable<String>, Nullable<String>, TableOptions, CancellationToken)
    DataConnectionExtensions.MergeAsync<T>(DataConnection, Expression<Func<T, Boolean>>, IEnumerable<T>, Nullable<String>, Nullable<String>, Nullable<String>, Nullable<String>, TableOptions, CancellationToken)
    DataConnectionExtensions.MergeAsync<T>(DataConnection, Boolean, IEnumerable<T>, Nullable<String>, Nullable<String>, Nullable<String>, Nullable<String>, TableOptions, CancellationToken)
    DataConnectionExtensions.MergeAsync<T>(DataConnection, IEnumerable<T>, Nullable<String>, Nullable<String>, Nullable<String>, Nullable<String>, TableOptions, CancellationToken)
    SqlExtensions.In<T>(T, IEnumerable<T>)
    SqlExtensions.In<T>(T, IQueryable<T>)
    SqlExtensions.In<T>(T, T[])
    SqlExtensions.In<T>(T, T, T)
    SqlExtensions.In<T>(T, T, T, T)
    SqlExtensions.NotIn<T>(T, IEnumerable<T>)
    SqlExtensions.NotIn<T>(T, IQueryable<T>)
    SqlExtensions.NotIn<T>(T, T[])
    SqlExtensions.NotIn<T>(T, T, T)
    SqlExtensions.NotIn<T>(T, T, T, T)
    SQLiteExtensions.FTS3Optimize<TEntity>(DataConnection, ITable<TEntity>)
    SQLiteExtensions.FTS3Rebuild<TEntity>(DataConnection, ITable<TEntity>)
    SQLiteExtensions.FTS3IntegrityCheck<TEntity>(DataConnection, ITable<TEntity>)
    SQLiteExtensions.FTS3Merge<TEntity>(DataConnection, ITable<TEntity>, Int32, Int32)
    SQLiteExtensions.FTS3AutoMerge<TEntity>(DataConnection, ITable<TEntity>, Int32)
    SQLiteExtensions.FTS5AutoMerge<TEntity>(DataConnection, ITable<TEntity>, Int32)
    SQLiteExtensions.FTS5CrisisMerge<TEntity>(DataConnection, ITable<TEntity>, Int32)
    SQLiteExtensions.FTS5Delete<TEntity>(DataConnection, ITable<TEntity>, Int32, TEntity)
    SQLiteExtensions.FTS5DeleteAll<TEntity>(DataConnection, ITable<TEntity>)
    SQLiteExtensions.FTS5IntegrityCheck<TEntity>(DataConnection, ITable<TEntity>)
    SQLiteExtensions.FTS5Merge<TEntity>(DataConnection, ITable<TEntity>, Int32)
    SQLiteExtensions.FTS5Optimize<TEntity>(DataConnection, ITable<TEntity>)
    SQLiteExtensions.FTS5Pgsz<TEntity>(DataConnection, ITable<TEntity>, Int32)
    SQLiteExtensions.FTS5Rank<TEntity>(DataConnection, ITable<TEntity>, String)
    SQLiteExtensions.FTS5Rebuild<TEntity>(DataConnection, ITable<TEntity>)
    SQLiteExtensions.FTS5UserMerge<TEntity>(DataConnection, ITable<TEntity>, Int32)
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