remove unnecessary callback use for ArrayWithFind::find_action() #7095
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Pull Request Test Coverage Report for Build james.stone_406
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I did something similar in 9a33838. I think your approach is better, but |
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Thanks for that feedback Thomas, I've removed |
tgoyne
approved these changes
Oct 30, 2023
src/realm/query_conditions_tpl.hpp
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| value = m_source_column->get_any(index); | ||
| } | ||
| else { | ||
| static_cast<void>(m_source_column); |
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Shouldn't be any reason to need this. If it was an if constexpr guarding the use of m_source_column you might get some spurious warnings but here the member variable is always used.
src/realm/array_with_find.hpp
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| cond: One of Equal, NotEqual, Greater, etc. classes | ||
| Action: One of act_ReturnFirst, act_FindAll, act_Max, act_CallbackIdx, etc, constants | ||
| Callback: Optional function to call for each search result. Will be called if action == act_CallbackIdx | ||
| Action: One of act_ReturnFirst, act_FindAll, act_Max, etc, constants |
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The Action template parameter hasn't existed for a while.
nicola-cab
approved these changes
Oct 31, 2023
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CI failures appear unrelated. |
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The query system supported two ways of dealing with matches: using QueryStateBase::match() and using a custom callback.
The callback was only used in one place, and I replaced it by caching the results array leaf inside our existing QueryStateBase handler class.
There is no noticeable performance drop for the affected query case that was using the callback. Here's the newly added benchmark compared to master showing no significant change for this case:
The benefit of doing this is that we can delay fetching the values until the
match()function which may not even need the values at all, such as when counting the results. This should have some minimal performance improvement when counting results with many matches.In addition to the code clean up, this also removes a layer of templating throughout the query system which appears to remove about 100K of binary size off our static library (YMMV).
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