clone partial columns of aligned tvlist for query - #18409
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Cherry-picked from #18394 ([To dev/1.3] clone partial columns of aligned tvlist for query).
Commit:
edeb7c5276For queries that touch only a few columns of a wide aligned device, clone only the accessed columns of the working
AlignedTVListinstead of the whole list, then swap the working list so the unaccessed columns are moved out. This dramatically reduces the memory retained by such queries on wide aligned devices.This cherry-pick also carries over the follow-up fixes from the dev/1.3 PR:
prepareTvListMapForQueryretries under thememChunklock after acquiring the candidate'squeryListLock, so a swapped working list can never be operated on while holding a stale lock.memChunkcritical section.RamInfoaccounting keeps reservation and cleanup sizes consistent.Adapted to the current master APIs (IFullPath/AlignedFullPath, ModEntry, table-model chunk metadata, i18n messages) during conflict resolution.