Module helper_split_pass 

Ahead-of-time helper-relation splitting for deep joins with buried skew.

Structs

HelperRelationSpec

Description of a helper relation introduced by the pass.

Functions

run

Rewrite eligible rules in-place and return the helper relations introduced.

run_kclique_specs

K-clique helper split entry for K-clique plans that already carry planner-produced HelperSplitSpecs. The pass reuses the compiler-owned helper-relation lifecycle: emit a helper rule before the consumer rule, allocate a compiler-owned helper relation, and rewrite the consumer to scan that helper.