feat(query): prune blocks for internal column subqueries - #20140
feat(query): prune blocks for internal column subqueries#20140SkyFan2002 wants to merge 1 commit into
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I hereby agree to the terms of the CLA available at: https://docs.databend.com/dev/policies/cla/
Summary
_block_name IN (subquery)predicates for Fuse tables into dynamic block pruning.INsemantics for duplicate, empty, and NULL build results._block_nameinternal column and broadcast the build side in distributed execution.Implementation
DynamicBlockPruneand preserve the annotation through optimizer rules.Validation
cargo check -p databend-common-sqlcargo test -p databend-common-catalog dynamic_block_prune_filter_publishes_exact_locationscargo test -p databend-query --test it test_dynamic_block_prune_from_in_subquerycargo clippy -p databend-common-sql -p databend-common-storages-fuse -p databend-query --lib -- -D warningscargo fmt --all -- --checkgit diff HEAD^ --checkTests
The regression coverage includes one selected block, duplicate build rows, an empty build result, NULL build values, and pipeline assertions that the dynamic-prune sink replaces the hash join.
Type of change
Rollout risk
No migration, configuration toggle, or backfill is required. Queries that do not match the guarded Fuse
_block_namepattern retain the existing join path.This change is