Expand description
Optimizer rules for lookup join rewriting.
Optimizer rules that rewrite standard JOINs to LookupJoinNode.
When a query joins a streaming source with a registered lookup table,
the LookupJoinRewriteRule replaces the standard hash/merge join
with a LookupJoinNode that uses the lookup source connector.
Structsยง
- Lookup
Column Pruning Rule - Column pruning rule for
LookupJoinNode. - Lookup
Join Rewrite Rule - Rewrites standard JOIN nodes that reference a lookup table into
LookupJoinNodeextension nodes.