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- exp 1.5 (bitmap-pushdown): DF 52.5 DynamicFilterPhysicalExpr supports bitmap-shaped pushdown as-written; no fork needed; Path A (per-batch evaluation) ships v1, Path B (Lance RowIdMask) is v2 optimization - exp 1.6 (txn-branches-cost): Lance per-table branches are +4N S3 PUTs per txn vs current lazy-graph-branch model; side-grade not clean win; recommend keeping current model for v1 - exp 1.7 (stable-row-id-compaction): stable row IDs already enabled everywhere in OmniGraph; Path B (OmniGraph-driven remap via FragReuseIndex public API) ships today; Path A (Lance-managed) is v2 follow-up gated on \xa71.2 plugin registry - 2.x deferred with rationale: all calibration / risk-quantification work, per ticket \xa70.3 acceptance criteria do not require 2.x - 3.1 Kuzu: factorization, semi-mask, dual-level hash index, variable-length expansion - 3.2 LanceDB: TableProvider patterns, mutation-as-IR gap, no segment-aware planning in OSS - 3.3 lance-graph: pure-SQL lowering trade-offs, 20-hop cap, Cypher AST liftable - 3.4 Comet/GlareDB/ParadeDB/Spice.ai: capability advertisement, DF API churn budget - 3.5 DuckDB: factorization calibration point (5-100x slower on multi-hop), DuckDB ext API as plugin gold standard - 3.6 Trino: cost model with 3 components (CPU/mem/network), Connector SPI as versioned plugin reference, dynamic filters analog |
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| experiments | ||
| research | ||
| scratch/merge-insert-cas-repro | ||
| merge-insert-cas-granularity.md | ||