GetNewColOperatorResult returns a new NewColOperatorResult.

TestNewColOperator is a test helper that's always aliased to colbuilder.NewColOperator.

CloserRegistry keeps track of all colexecop.Closers created during the operator planning.

MonitorRegistry instantiates and keeps track of the memory monitoring infrastructure in the vectorized engine.

NewColOperatorArgs is a helper struct that encompasses all of the input arguments to NewColOperator call.

NewColOperatorResult is a helper struct that encompasses all of the return values of NewColOperator call.

OpWithMetaInfo stores a colexecop.Operator together with miscellaneous meta information about the tree rooted in that operator.