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Oracle® Objects for OLE C++ Class Library Developer's Guide
10g Release 2 (10.2)

Part Number B14308-01
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CreateDatabasePool Method

Applies To

OSession

Description

This method creates a pool of database connections.

Usage

oresult CreateDatabasePool (long initSize, long maxSize, long timeOut, const char *dbname, const char *username, const char *pwd, long options = ODATABASE_DEFAULT);

Arguments

Arguments
Description
initSize
Number of connections to be created at the beginning.
maxSize
Maximum number of connections in the pool.
timeOut
Amount of time an unused connection will be active
dbname
The name of the database to which you want to connect
username
The username you wish to use to log in to the database
pwd
The database password for the user username
options
Options to create the database object

Remarks

Only one pool can be created for each session. An OIP error 4147-Database Pool Already exists for this session will be generated if CreateDatabasePool is called again.

Return Value

An oresult indicating whether the operation succeeded (OSUCCESS) or not (OFAILURE).

Example

This example creates a pool of 2 connections with a maximum of 10 connections:

OSession osess;
osess.Open();
osess.CreateDatabasePool(2,10,200, "Exampledb",
"scott", "tiger", ODATABASE_DEFAULT);