OCIObjectExists()

Purpose

Returns the existence meta-attribute of a standalone instance.

Syntax

sword OCIObjectExists ( OCIEnv         *env,
                        OCIError       *err,
                        dvoid          *ins,
                        boolean        *exist ); 

Parameters

env (IN/OUT)

The OCI environment handle initialized in object mode. See the description of OCIEnvCreate() and OCIInitialize() for more information.

err (IN/OUT)

The OCI error handle. If there is an error, it is recorded in err and this function returns OCI_ERROR. Obtain diagnostic information by calling OCIErrorGet().

ins (IN)

Pointer to an instance. If it is an object, it must be pinned.

exist (OUT)

Return value for the existence status.

Comments

This function returns the existence of an instance. If the instance is a value, this function always returns TRUE. The instance must be a standalone persistent or transient object.

Related Functions

OCIObjectPin()