@Override
public void constraintDrop(KernelStatement state, UniquenessConstraint constraint)
throws DropConstraintFailureException {
state.locks().acquireExclusive(ResourceTypes.SCHEMA, schemaResource());
schemaWriteDelegate.constraintDrop(state, constraint);
}
@Override
public void constraintDrop(KernelStatement state, UniquenessConstraint constraint)
throws DropConstraintFailureException {
state.locks().acquireSchemaWriteLock();
schemaWriteDelegate.constraintDrop(state, constraint);
}