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	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 into the database
pwd	The database password for the user username
options	Options to create the database object

Remarks

Only one pool can be created per 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);