Data.DBXCommon

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Defines classes that implement dbExpress common functionality such as byte readers and streams, manipulators of various data types, command factories, dbExpress drivers, metadata, and X.509 principals and certificates.

Classes

ECertificateExpiredException	Exception class for certificate expiring.
ECertificateNotYetValidException	Exception class for certificates that are invalid at the current moment of time.
ECertificateParsingException	Exception class for parsing certificates.
TCertificate	Abstract class for managed certificates.
TDBXAnsiCharsValue	Implementation of TDBXWritableValue for TDBXAnsiChars values.
TDBXAnsiMemoValue	Implementation of TDBXWritableValue for MemoSubType values.
TDBXAnsiStringValue	Implementation of writable ANSI string values.
TDBXBcdValue	Implementation of binary-compressed decimal values.
TDBXBooleanValue	Implementation of writable boolean values.
TDBXByteArrayValue	Implementation of writable byte array values.
TDBXByteReader	Allows for primitive retrieval of data using byte arrays.
TDBXBytesStream
TDBXByteStreamReader	Used internally by driver implementations and TDBXStreamValue.
TDBXCallbackValue	Implementation of TDBXWritableValue for TDBXCallback values.
TDBXCommand	Class to execute SQL statements and stored procedures.
TDBXCommandFactory
TDBXCommandTypes	Type of command to be executed by a TDBXCommand
TDBXCommunicationLayer	Implements the API communication layer.
TDBXConnection	Connection for the dbExpress driver framework
TDBXConnectionBuilder	Utility class used by driver writers when connections are created.
TDBXConnectionFactory	Abstract base class used for creating new instances of TDBXConnection
TDBXConnectionValue	Implementation of TDBXWritableValue for DBXConnectionType values.
TDBXContext	Context information for a connection.
TDBXCreateCommand
TDBXCursorValue	Implementation of TDBXWritableValue for TDBXDataTypes.CursorType.
TDBXDatabaseMetaData	Common database specific metadata.
TDBXDataTypes	Data types supported by the dbExpress framework (TDBX).
TDBXDateValue	Implementation of writable date type values.
TDBXDelegateDriver	Delegate driver base class.
TDBXDelegateItem	Used by driver implementors.
TDBXDoubleValue	Implementation of double-precision floating point values.
TDBXDriver	Driver class for DBX framework.
TDBXDriverClass
TDBXDriverHelp	Used by driver implementors to access private or protected API.
TDBXDriverLoader	Collection of parameters needed when loading a driver.
TDBXDriverLoaderClass
TDBXDriverRegistry	Registry for TDBXDriverLoader keyed by driver name.
TDBXError	Exception type for all dbExpress framework (TDBX) errors.
TDBXErrorCodes	Error codes for dbExpress framework (TDBX) exceptions
TDBXFormatter	Parse and format string representations for some value class objects.
TDBXIniFileConnectionFactory	Creates new instances of TDBXConnection from the dbxdrivers.ini and dbxconnections.ini files
TDBXInt16Value	Implementation of 16-byte integer values.
TDBXInt32Value	Implementation of writable 32-byte integer values.
TDBXInt64Value	Implementation of writable 64-byte integer values.
TDBXInt8Value	Implementation of TDBXWritableValue for Int8Type values.
TDBXIsolations	Isolation levels supported by TDBXTransaction.
TDBXJSONValue	TDBXJSONValue is a bridge class between dbExpress framework and JavaScript Object Notation.
TDBXLookAheadStreamReader	Used internally by driver implementations and TDBXStreamValue.
TDBXMemoryConnectionFactory	Implementation of TDBXConnectionFactory that does not load driver and connection properties.
TDBXMetaDatabaseColumnNames	Column names for metadata.
TDBXMetaDataCommands	List of available metadata commands to get metadata.
TDBXMetaDataKeyword	Keyword for metadata.
TDBXMetaDataProcedureTypes	Constants passed to TDBXMetaDataCommands.GetProcedures metadata command.
TDBXMetaDataTableTypes	Constants for the GetTables metadata command
TDBXMorphicCommand	Used by driver implementations to morph from one command type to another.
TDBXNullValue	Implementation of TDBXWritableValue for Parameters that have no type.
TDBXParameter	Individual parameters for queries and stored commands.
TDBXParameterDirections	Parameter types supported by TDBXParameter
TDBXParameterList	A collection of TDBXParameter instances that can be used to get and set parameters for a TDBXCommand.
TDBXProperties	Manages connection and driver level name/value pair property settings.
TDBXPropertiesClass
TDBXPropertiesItem	Contains a set of TDBXProperties.
TDBXPropertyNames	Property names for connections and drivers.
TDBXReader	TDBXReader provides a unidirectional reader for a collection of database rows.
TDBXReaderByteReader	Implementation of TDBXByteReader.
TDBXReaderValue	Implementation of TDBXWritableValue for TDBXDataTypes.DbxTableType.
TDBXRow	Represents a row in a database.
TDBXScheduler	TDBXScheduler is a lightweight transient scheduler for user registered events.
TDBXSingleValue	Implementation of TDBXWritableValue for TDBXDataTypes.SingleType values.
TDBXStateItem
TDBXStateItemList
TDBXStream
TDBXStreamReader	Used internally by driver implementations and TDBXStreamValue.
TDBXStreamReaderStream
TDBXStreamValue	Implementation of TDBXWritableValue for TDBXDataTypes.ByteArrayType values.
TDBXStringValue
TDBXSubDataTypes	Data subtypes.
TDBXTimeStampOffsetValue
TDBXTimeStampValue	Implementation of writable timestamp values.
TDBXTimeValue	Implementation of writable time values.
TDBXTraceFlags	Flags to indicate tracing type.
TDBXTraceLevels	Type used for TDBXTraceFlags.
TDBXTransaction	Transaction management class.
TDBXUInt16Value	Implementation of TDBXWritableValue for UInt16Type values.
TDBXUInt8Value
TDBXValue	Gets and sets values for TDBXReader and TDBXParameter classes.
TDBXValueList	Manage a list of TDBXValueType instances.
TDBXValueType	Metadata for TDBXReader columns and TDBXParameter parameters.
TDBXValueTypeFlags	Flags used by TDBXValueType.
TDBXValueTypeList	Used internally by TDBXParameterList to manage list of TDBXValueType.
TDBXWideCharsValue	Implementation of TDBXWritableValue for WideStringType values.
TDBXWideMemoValue	Implementation of TDBXWritableValue for MemoSubType values.
TDBXWideStringValue	Implementation of writable wide string values.
TDBXWritableValue	Extension of TDBXValue that adds the ability to set a value.
TDBXWritableValueList
TEventsCollection	Implements a collection of event procedures.
TKey	Base class for all keys.
TPrincipal	Represents the abstract notation of a principal.
TPublicKey	Subclass of TKey, used specifically for public keys.
TRequestCommandHandler	Abstract class for common functionality of Command Handlers.
TResultCommandHandler	An abstract class for a result command handler.
TX500Principal	Represents an X.500 principal.
TX509Certificate	X.509 implementation of TCertificate.

Routines

InitializeConnectionFactorySingletonFromINIFile

Initializes the connection factory with the settings stored in an .ini file.

Types

_di_TDBXScheduleEvent
TDBXChars
TDBXCreateCommandEvent
TDBXDate	Type for TDBXDataTypes.DateType.
TDBXDriverDef
TDBXErrorCode	Alias for TInt32.
TDBXErrorEvent	Event handler for TDBXConnection.OnErrorEvent property.
TDBXIsolation	Alias for TInt32.
TDBXParameterArray
TDBXParameterDirection
TDBXReaderArray
TDBXScheduleEvent
TDBXTime	Type for TDBXDataTypes.TimeType.
TDBXTraceEvent	Tracing information for drivers.
TDBXTraceFlag
TDBXTraceInfo	Contains trace information for DBX database drivers.
TDBXTracelevel
TDBXType	Type for TDBXDataTypes.
TDBXValueArray
TDBXValueTypeArray
TDBXWritableValueArray
TEventPointer
TValidateCertificate	Procedural type that represents a certificate validation callback signature.
TWideStringArray

Constants

DBXDefaultRowSetSize	DBXDefaultRowSetSize: Integer = $14;
DBXVersion25	DBXVersion25: string = 2.5;
DBXVersion30	DBXVersion30: string = 3.0;
DBXVersion40	DBXVersion40: string = 4.0;
TDBXConnectionFile	TDBXConnectionFile: string = dbxconnections.ini;
TDBXDriverFile	TDBXDriverFile: string = dbxdrivers.ini;
TDBXRegistryConnectionValue	TDBXRegistryConnectionValue: string = Connection Registry File;
TDBXRegistryDriverValue	TDBXRegistryDriverValue: string = Driver Registry File;
TDBXRegistryKey	TDBXRegistryKey: string = \Software\Embarcadero\BDS\11.0\dbExpress;