OASQLIP_start_transaction

This function starts a new transaction on the specified connection in response to a request for an explicit start transaction by the client. The IP must ensure that a transaction is always active on a connection. This function is not called for an implied transaction that is always open on a connection after a connection is opened or after a commit on a top-level transaction.

If nested transactions are supported, then this function is called when the client has made a start transaction API call. If you do not want to support nested transactions, return a OADS_ERROR when this function is called. When a commit is called, you must commit on the current nested level and set the current transaction to the previous level. If a commit is called for the top-level transaction, then you must commit and then start a new high-level transaction because a call to OASQLIP_start_transaction will not be made.