[DNM] executor: optimize range scan for cached table#67430

Closed

you06 wants to merge 48 commits into

masterfrom

perf/cached-table

Commits on Mar 30, 2026

fixup
qw4990
committed
fixup
qw4990
committed
fixup
qw4990
committed
fixup
qw4990
committed
fixup
qw4990
committed
expression: cache GetType result and remove unnecessary sleep

you06
and
claude
committed
expression: optimize CompareInt to skip GetType for constant expressions

you06
and
claude
committed
expression: avoid heap allocation in Constant.Eval* by using stack-allocated FieldType

you06
and
claude
committed
expression: polish adjacent naming and docs
you06
committed
executor: add fast path for cached table scan in UnionScanExec

you06
and
claude
committed
executor: batch scan cached table rows
you06
committed
rowcodec: cache not-null column mapping in ChunkDecoder
you06
committed
executor: fast-path int handle decode in mem reader
you06
committed
util: optimize rowcodec DecodeToChunk hot paths
you06
committed
tablecodec: reduce allocations in DecodeIndexKV general/v1 paths

you06
and
claude
committed
tablecodec: cache IndexRestoredDecoder and use arena for restored value decoding

you06
and
claude
committed
types: add zero-alloc AppendString for Time and use it in DumpTextRow

you06
and
claude
committed
executor: cache per-scan invariants in memIndexReader to reduce overhead

you06
and
claude
committed
tablecodec: make restored index decode bytes durability explicit
you06
committed
codec: handle nil loc in EncodeMySQLTime for timestamp
you06
committed
chunk: avoid duplicate Column puts when chunks contain ref columns
you06
committed
rowcodec: validate checksum inputs for raw checksum
you06
committed
rowcodec: make raw checksum versioning explicit
you06
committed
table: add result set cache for cached tables

you06
and
claude
committed
table: invalidate result set cache on lease transitions and writes

you06
and
claude
committed
planner: add result set cache eligibility check for cached tables

you06
and
claude
committed
planner: add result cache key builder for cached table queries

you06
and
claude
committed
executor: integrate result set cache into executor pipeline for cached tables

you06
and
claude
committed
executor: add observability for cached table result set cache

you06
and
claude
committed
*: harden result set cache with param bytes verification and edge case fixes

you06
and
claude
committed
result cache: harden key + cacheability checks
you06
committed
executor: harden cached table cache paths

you06
and
claude
committed
planner: harden result cache key and cacheability checks

you06
and
claude
committed
tables: avoid double memory accounting in cached result put

you06
and
claude
committed
table: add pre-decoded datum cache for cached tables

you06
and
claude
committed
executor: add datum cache fast-path iterator to skip KV decode

you06
and
claude
committed
*: make cached table result set cache and datum cache timezone-aware

you06
and
claude
committed
executor: add unit tests for memCachedDatumIter

you06
and
claude
committed
*: add pre-decoded index datum cache for cached table index scans
you06
committed
executor: optimize cached table scan by reducing redundant copies and condition checks
you06
committed
codec: fix TZ nil handling and keep index decode prealloc
you06
committed
tables: fix cached datum decode and result cache accounting
you06
committed
tables: pin cached datum/index caches to cacheData generation
you06
committed
tables: fill cached datum rows with origin default values
you06
committed
executor: pin cached datum/index caches to cacheData generation
you06
committed
executor: tighten cached datum iter and cache backfill safety
you06
committed
tables: increase cached table size limit from 64MB to 256MB
you06
committed
chore: update bazel file

you06
authored and
github-actions[bot]
committed