Interface IDataProvider

Namespace: LinqToDB.DataProvider
Assembly: linq2db.dll
Syntax
public interface IDataProvider

Properties

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ConnectionNamespace

Declaration
string? ConnectionNamespace { get; }
Property Value
Type Description
System.Nullable<System.String>
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DataReaderType

Declaration
Type DataReaderType { get; }
Property Value
Type Description
Type
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ID

Declaration
int ID { get; }
Property Value
Type Description
System.Int32
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MappingSchema

Declaration
MappingSchema MappingSchema { get; }
Property Value
Type Description
MappingSchema
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Name

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

Declaration
SqlProviderFlags SqlProviderFlags { get; }
Property Value
Type Description
SqlProviderFlags
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SupportedTableOptions

Declaration
TableOptions SupportedTableOptions { get; }
Property Value
Type Description
TableOptions
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TransactionsSupported

Declaration
bool TransactionsSupported { get; }
Property Value
Type Description
System.Boolean

Methods

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BulkCopy<T>(DataOptions, ITable<T>, IEnumerable<T>)

Declaration
BulkCopyRowsCopied BulkCopy<T>(DataOptions options, ITable<T> table, IEnumerable<T> source)
Parameters
Type Name Description
DataOptions options
ITable<T> table
IEnumerable<T> source
Returns
Type Description
BulkCopyRowsCopied
Type Parameters
Name Description
T
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BulkCopyAsync<T>(DataOptions, ITable<T>, IEnumerable<T>, CancellationToken)

Declaration
Task<BulkCopyRowsCopied> BulkCopyAsync<T>(DataOptions options, ITable<T> table, IEnumerable<T> source, CancellationToken cancellationToken)
Parameters
Type Name Description
DataOptions options
ITable<T> table
IEnumerable<T> source
CancellationToken cancellationToken
Returns
Type Description
Task<BulkCopyRowsCopied>
Type Parameters
Name Description
T
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ConvertParameterType(Type, DbDataType)

Declaration
Type ConvertParameterType(Type type, DbDataType dataType)
Parameters
Type Name Description
Type type
DbDataType dataType
Returns
Type Description
Type
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CreateConnection(String)

Declaration
DbConnection CreateConnection(string connectionString)
Parameters
Type Name Description
System.String connectionString
Returns
Type Description
DbConnection
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CreateSqlBuilder(MappingSchema, DataOptions)

Declaration
ISqlBuilder CreateSqlBuilder(MappingSchema mappingSchema, DataOptions dataOptions)
Parameters
Type Name Description
MappingSchema mappingSchema
DataOptions dataOptions
Returns
Type Description
ISqlBuilder
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DisposeCommand(DbCommand)

Declaration
void DisposeCommand(DbCommand command)
Parameters
Type Name Description
DbCommand command
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ExecuteScope(DataConnection)

Returns scoped context object to wrap calls of Execute* methods. Using this, provider could e.g. change thread culture during Execute* calls. Following calls wrapped right now: DataConnection.ExecuteNonQuery DataConnection.ExecuteReader.

Declaration
IExecutionScope ExecuteScope(DataConnection dataConnection)
Parameters
Type Name Description
DataConnection dataConnection

Data connection instance used with scope.
Returns
Type Description
IExecutionScope

Returns disposable scope object. Can be null.
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GetCommandBehavior(CommandBehavior)

Declaration
CommandBehavior GetCommandBehavior(CommandBehavior commandBehavior)
Parameters
Type Name Description
CommandBehavior commandBehavior
Returns
Type Description
CommandBehavior
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GetConnectionInfo(DataConnection, String)

Declaration
object? GetConnectionInfo(DataConnection dataConnection, string parameterName)
Parameters
Type Name Description
DataConnection dataConnection
System.String parameterName
Returns
Type Description
System.Nullable<System.Object>
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GetReaderExpression(DbDataReader, Int32, Expression, Type)

Declaration
Expression 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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GetSchemaProvider()

Declaration
ISchemaProvider GetSchemaProvider()
Returns
Type Description
ISchemaProvider
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GetSqlOptimizer(DataOptions)

Declaration
ISqlOptimizer GetSqlOptimizer(DataOptions dataOptions)
Parameters
Type Name Description
DataOptions dataOptions
Returns
Type Description
ISqlOptimizer
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InitCommand(DataConnection, DbCommand, CommandType, String, DataParameter[], Boolean)

Initializes DataConnection command object.

Declaration
DbCommand InitCommand(DataConnection dataConnection, DbCommand command, CommandType commandType, string commandText, DataParameter[] parameters, bool withParameters)
Parameters
Type Name Description
DataConnection dataConnection

Data connection instance to initialize with new command.
DbCommand command

Command instance to initialize.
CommandType commandType

Type of command.
System.String commandText

Command SQL.
DataParameter[] parameters

Optional list of parameters to add to initialized command.
System.Boolean withParameters

Flag to indicate that command has parameters. Used to configure parameters support when method called without parameters and parameters added later to command.
Returns
Type Description
DbCommand

Initialized command instance.
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InitContext(IDataContext)

Declaration
void InitContext(IDataContext dataContext)
Parameters
Type Name Description
IDataContext dataContext
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IsDBNullAllowed(DataOptions, DbDataReader, Int32)

Declaration
bool? IsDBNullAllowed(DataOptions options, DbDataReader reader, int idx)
Parameters
Type Name Description
DataOptions options
DbDataReader reader
System.Int32 idx
Returns
Type Description
System.Nullable<System.Boolean>
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SetParameter(DataConnection, DbParameter, String, DbDataType, Nullable<Object>)

Declaration
void SetParameter(DataConnection dataConnection, DbParameter parameter, string name, DbDataType dataType, object? value)
Parameters
Type Name Description
DataConnection dataConnection
DbParameter parameter
System.String name
DbDataType dataType
System.Nullable<System.Object> value

Extension Methods