|
Operation
|
Description
|
|
CONNECT
Required
|
Called when a client wants to establish a connection with a data source served by the IP. Authentication information such as the user name and password are passed in.
|
|
DCL
Optional
|
Called with GRANT and other Database Configuration Language (DCL) commands to configure privileges.
|
|
DDL
Optional
|
Called with CREATE TABLE, DROP TABLE, CREATE INDEX, or DROP INDEX operation code to perform the requested operation (only required if you want the IP code to support DDL (Data Definition Language) operations).
|
|
DISCONNECT
Required
|
Closes the connection. The IP should close any files or other connections established on behalf of this connection.
|
|
DYNAMIC_RESULTS
Optional
|
Called to invoke a stored procedure that returns one or more result sets that can be defined at runtime.
|
|
END TRANSACTION
Required
|
Called with operation code COMMIT or ROLLBACK or PREPARE_TO_ COMMIT.
|
|
EXECUTE
Required
|
Called with INSERT, SELECT, UPDATE or DELETE operation code to perform the requested operation.
|
|
EXIT
Required
|
Called when the OpenAccess SDK SQL engine is shutting down.
|
|
GETDSINFO
Required
|
Gets information about driver specific settings.
|
|
GETINFO
Required
|
Gets information about driver specific settings.
|
|
GETLONGDATA
Optional
|
Called to invoke streaming for a particular column.
|
|
GETTYPESINFO
Required
|
Gets information about driver specific settings.
|
|
GETSUPPORT
Required
|
Gets information about what type of operations are supported by the driver. This information is used to determine what processing is passed down to the IP.
|
|
INIT
Required
|
Called at startup of the OpenAccess SDK SQL engine to initialize the IP.
|
|
INIT_SCALAR
Optional
|
Called to have the IP register custom scalar functions.
|
|
NATIVE
Optional
|
Called to execute a command the OpenAccess SDK SQL engine did not recognize as a valid SQL command.
|
|
PRIVILEGE
Optional
|
Called to authorize access to an object.
|
|
PROCEDURE
Optional
|
Called to invoke a stored procedure (Only required if you want the IP code to support stored procedures with pre-defined result sets).
|
|
SCHEMA
Optional
|
Called to retrieve the schema information of your data source (only required if the IP will handle the schema management).
|
|
SCHEMAEX
Optional
|
Called to retrieve schema information for stored procedures that define result set at runtime.
|
|
SETINFO
Required
|
Passes client side settings to the IP.
|
|
START TRANSACTION
Required
|
Called to initiate a new transaction. The IP can use this entry point to perform transaction management for each connection.
|