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Oracle Call Interface Programmer's Guide
Release 2 (9.2)

Part Number A96584-01
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OCI Datatype Mapping and Manipulation Functions, 133 of 134


OCITablePrev()

Purpose

Returns the index of the previous existing element of a table.

Syntax

sword OCITablePrev ( OCIEnv             *env, 
                     OCIError           *err, 
                     sb4                index,
                     CONST OCITable     *tbl,
                     sb4                *prev_index
                     boolean            *exists );

Parameters

env (IN/OUT)

The OCI environment handle initialized in object mode.

See Also:

OCIEnvCreate() and OCIInitialize()

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().

index (IN)

Index for starting point of scan.

tbl (IN)

Table to scan.

prev_index (OUT)

Index of the previous existing element before tbl(index).

exists (OUT)

FALSE if no previous index is available, else TRUE.

Comments

Return the largest position j, less than index, such that exists(j) is TRUE.

See Also:

Refer to the description of OCIStringAllocSize(), regarding the existence of non-data holes in tables.

Related Functions

OCITableNext()


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