Bug fix/tune hash join #2828
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Bug fix/tune hash join #2828
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LGTM. @danielhlarkin? |
…-fix/tune-hash-join
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@fceller LGTM, pending Jenkins results. |
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The basic idea is to save allocations of AqlItemBlocks in the IndexBlock. This is particularly important in the case of a hash join but essentially improves all cases where there are many index lookups with relatively few results each.