* 'name' on SPRInstruction should be NOT NULL, I think.
* You _could_ add a constraint saying that the line number should be strictly greater than the parent's line number. Not sure if this is necessary.
* Shouldn't SourcePackageBuild.recipe be NOT NULL?
* 'name' on SPRInstruction should be NOT NULL, I think. ild.recipe be NOT NULL?
* You _could_ add a constraint saying that the line number should be strictly greater than the parent's line number. Not sure if this is necessary.
* Shouldn't SourcePackageBu
Other than that, looks good.