Module mz_transform::join_implementation
source · Expand description
Determines the join implementation for join operators.
This includes determining the type of join (e.g. differential linear, or delta queries), determining the orders of collections, lifting predicates if useful arrangements exist, and identifying opportunities to use indexes to replace filters.
Modules
Structs
Determines the join implementation for join operators.
Orderer 🔒
Statics
Functions
Modify
inputs
to ensure specified arrangements are available.Permute the keys in
order
to compensate for projections being lifted from inputs.
lifted_projections
has an optional projection for each input.