Bugfix/1509/disallow appending different rangeindexes in dynamic schema #1514
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#### Reference Issues/PRs Closes: #1428 #### What does this implement or fix? Create an empty-index type. This required change in the Python and in the C++ layer. * In the C++ layer an new index type was added. (IndexDescriptor::EMPTY). It does not allocate a filed in the storage (similar to how row range index does not allocate a field). The checks for index compatibility are relaxed, the empty index is compatible with all other index types and it gets overridden the first time a non-empty index is written (either through update or append). On write we check if the dataframe contains 0 rows and if so it gets assigned an empty index. * The logic in the python layer is dodgy and needs discussion. In the current state the normalization metadata and the index descriptor are stored separately. There is one proto message describing both DateTime index and Ranged Index. The current change made it so that in case of 0 rows the python layer passes RowRange index to the C++ layer which checks if there are any rows in the DF. If there are rows Row range index is used, otherwise empty index is used. Note the `is_not_range_index` proto field. IMO it needs some refactoring in further PRs. It's used in the python layer to check if the first column is index or not. #### Any other comments? Merge this after: #1436 #### Checklist <details> <summary> Checklist for code changes... </summary> - [ ] Have you updated the relevant docstrings, documentation and copyright notice? - [ ] Is this contribution tested against [all ArcticDB's features](../docs/mkdocs/docs/technical/contributing.md)? - [ ] Do all exceptions introduced raise appropriate [error messages](https://docs.arcticdb.io/error_messages/)? - [ ] Are API changes highlighted in the PR description? - [ ] Is the PR labelled as enhancement or bug so it appears in autogenerated release notes? </details> <!-- Thanks for contributing a Pull Request to ArcticDB! Please ensure you have taken a look at: - ArcticDB's Code of Conduct: https://github.com/man-group/ArcticDB/blob/master/CODE_OF_CONDUCT.md - ArcticDB's Contribution Licensing: https://github.com/man-group/ArcticDB/blob/master/docs/mkdocs/docs/technical/contributing.md#contribution-licensing --> --------- Co-authored-by: Vasil Pashov <vasil.pashov@man.com>
Refactor index.hpp Move the functions in a .cpp file. Add explicit template instantiations for the CRTP base class in the cpp file. #### Checklist <details> <summary> Checklist for code changes... </summary> - [ ] Have you updated the relevant docstrings, documentation and copyright notice? - [ ] Is this contribution tested against [all ArcticDB's features](../docs/mkdocs/docs/technical/contributing.md)? - [ ] Do all exceptions introduced raise appropriate [error messages](https://docs.arcticdb.io/error_messages/)? - [ ] Are API changes highlighted in the PR description? - [ ] Is the PR labelled as enhancement or bug so it appears in autogenerated release notes? </details> <!-- Thanks for contributing a Pull Request to ArcticDB! Please ensure you have taken a look at: - ArcticDB's Code of Conduct: https://github.com/man-group/ArcticDB/blob/master/CODE_OF_CONDUCT.md - ArcticDB's Contribution Licensing: https://github.com/man-group/ArcticDB/blob/master/docs/mkdocs/docs/technical/contributing.md#contribution-licensing --> --------- Co-authored-by: Vasil Pashov <vasil.pashov@man.com>
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Superseded by #1529 |
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Fixes #1509
While fixing, noticed that the added test
test_append_range_index_from_zerowould also not have passed, so fixed this too.