NutsDB v0.5.0 发布~

NutsDB v0.5.0 发布 ## 项目地址 https://github.com/xujiajun/nutsdb ## Changelog * [New feature] Support EntryIdxMode: HintBPTSparseIdxMode * [New feature] Support GetAll() function for all models * [Bug Fix] Fix error too many open files in system * [Bug Fix] Fix constant 2147483648 overflows int * [Bug Fix] Fix when the number of files waiting to be merged not at least 2 * [Bug Fix] Fix data pollution when executing the merge method * [Change] Modify Records type && Entries type * [Change] Refactor for tx Commit function * [Change] Update Iterating over keys about README * [Change] Fix some grammatical mistakes about README * [Change] Rename variable for func ReadBPTreeRootIdxAt * [Change] Add issue templates * [Change] Update README && CHANGELOG ## 总结 这次的变化，主要是增加了HintBPTSparseIdxMode 这个模式，这个模式下，经测试 10 亿条数据，只要 100mb 不到的内存消耗，起因是有个issue 一哥们说消耗内存太大。 ## 最后 最后，欢迎大家尝试，star 收藏+支持，提 issue，PR 贡献代码。