Expand description
Lookup join plan node for DataFusion.
LookupJoinNode — custom DataFusion logical plan node for lookup joins.
This node represents a join between a streaming input and a registered
lookup table. It is produced by the LookupJoinRewriteRule optimizer
rule when a standard JOIN references a registered lookup table.
Structs§
- Join
KeyPair - A pair of expressions defining how stream keys map to lookup columns.
- Lookup
Join Node - Custom logical plan node for a lookup join.
- Lookup
Table Metadata - Metadata about a lookup table for plan construction.
Enums§
- Lookup
Join Type - Join type for lookup joins.