RCORE-2162: Add compression of strings in Mixed, Lst<String> and Dictionary #7804
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nicola-cab
reviewed
Jun 13, 2024
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@ironage please have a look at the modified client reset test. I think there is a problem as the 'after' callback is not synchonized with the main thread so we can't be sure that the callback has happened before the check is done. This has happened many times in ASAN runs. Do you think there is a better solution than the current fix? |
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nicola-cab
approved these changes
Jun 18, 2024
src/realm/array_mixed.hpp
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| mutable ArrayString m_strings; | ||
| // Used to store nested collection refs | ||
| mutable ArrayRef m_refs; | ||
| mutable StringInterner* m_string_interner = nullptr; |
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Why do you need to cache the StringInterner? Shouldn't m_strings have the interner set?
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You are right. That should work.
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| // helper functions for filtering out calls to set_string_interner() | ||
| template <class T> | ||
| inline void Obj::set_string_interner(T&, ColKey) |
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I think values.set_string_interner(m_table->get_string_interner(col_key)); can just go in the main template method. The interface is basically the same, isn't it?
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It is an optimization to only call that method for strings and mixed.
src/realm/table.cpp
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| if (data_ref) | ||
| Array::destroy_deep(data_ref, m_alloc); | ||
| m_interner_data.set(col_ndx, 0); | ||
| // m_string_interners[col_ndx]->update_from_parent(true); |
| std::chrono::seconds(20), std::chrono::milliseconds(500)); | ||
| } | ||
| // We can't be sure that the 'after' callback has been called yet | ||
| timed_sleeping_wait_for( |
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Why isn't the wait at line 1049 enough? Maybe we should extend std::chrono::milliseconds(500) to whatever it is needed.
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Ok - I thought I removed the 500 ms addition in line 1049. The 500 ms is just the time we sleep between each time we check the condition. If the condition is true, we will return immediately.
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What, How & Why?
☑️ ToDos
bindgen/spec.yml, if public C++ API changed