risingwave_batch_executors::executor::join

Module hash_join

Source

Structs§

DataChunkMutator 🔒
DataChunkMutator transforms the given data chunk for non-equi join.
EquiJoinParams
HashJoinExecutor
Hash Join Executor
HashJoinExecutorArgs 🔒
JoinSpillManager
LeftNonEquiJoinState 🔒
State variables used in left outer/semi/anti join and full outer join.
RightNonEquiJoinState 🔒
State variables used in right outer/semi/anti join and full outer join.
RowIdIter 🔒

Type Aliases§

JoinHashMap
In JoinHashMap, we only save the row id of the first build row that has the hash key. In fact, in the build side there may be multiple rows with the same hash key. To handle this case, we use ChunkedData to link them together. For example: