Provide a way to set the current schema when initializing the db connection.

[daneshk]

Current Limitation

When connecting to the Database, which has a custom DB schema instead of the default public schema, the DB connectors don't have the option to provide the current schema. But, in DB connection URLs there is an option called currentSchema which supports passing schema name. We need to support this under the Options.

Related issue: https://github.com/wso2-enterprise/internal-support-ballerina/issues/879

Suggested Improvement

Add DB option to provide the current schema in DB configurations

Version

any