CombinedStoreV

ReadableStoreAlgebra

ConvertedMergeableStore

algebra

~~ConvertedStore~~

~~algebra~~

close

ConvertedMergeableStore ConvertedStore UnpivotedMergeableStore

collector

BufferingStore

com

root

completeIfEmpty

PromiseLink

composeKeyMapping

~~AlgebraicStore~~ EnrichedMergeableStore

convert

~~AlgebraicStore~~ EnrichedMergeableStore MergeableStore ~~StoreAlgebra~~

cross

QueryStrategy