public Handle releaseSavepoint(String savepointName) {
        transactionHandler.releaseSavepoint(this, savepointName);
        LOG.trace("Handle [{}] release savepoint \"{}\"", this, savepointName);
        return this;
    }
Release a previously created savepoint.

@param savepointName the name of the savepoint to release.
@return the same handle.
core/src/main/java/org/jdbi/v3/core/Handle.java