https://github.com/loki-astari/thorsstorage

https://github.com/loki-astari/thorsstorage

Last synced: about 1 month ago
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• Host: GitHub
• URL: https://github.com/loki-astari/thorsstorage
• Owner: Loki-Astari
• License: gpl-3.0
• Created: 2020-04-18T06:09:27.000Z (over 4 years ago)
• Default Branch: master
• Last Pushed: 2024-09-14T19:21:14.000Z (2 months ago)
• Last Synced: 2024-10-02T18:21:16.028Z (about 2 months ago)
• Language: C++
• Size: 537 KB
• Stars: 0
• Watchers: 3
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • Contributing: CONTRIBUTING.md
  • License: LICENSE
  • Code of conduct: CODE_OF_CONDUCT.md

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README

        
# ThorsStorage

[![Code Review](http://www.zomis.net/codereview/shield/?qid=240341)](http://codereview.stackexchange.com/q/240341/507)

[![Code Review](http://www.zomis.net/codereview/shield/?qid=240825)](http://codereview.stackexchange.com/q/240825/507)

![ThorStream](img/storage.jpg)

This library depends on files in [ThorsSerializer](https://github.com/Loki-Astari/ThorsSerializer) so you must have this installed first. The easiest way to get ThorsSerializer and this project is simply to install the brew library `thors-mongo`.

This library provides a simple way to save a structure data into multiple files. Each file representing a specific field in the structure. This allows a very efficient scan as most data has a fixed size and variable sized data has a specific index created for the column file.

### Example

````c++

class Team {

    int id;

    int size;

};

class Person {

    std::string   name;

    int           age;

    double        salary;

    Team.         team;

};

ThorsAnvil_MakeTrait(Team, id, size);

ThorsAnvil_MakeTrait(Person, name, age, salary, team);

int main()

{

    {

        CF::OFile    saveFile("data");

        saveFile << Person{"Loki", 33, 12345, Team{12,34}};

        saveFile << Person{"Tom",  25, 34566, Team{13,34}};

        saveFile << Person{"Luke", 45, 43125, Team{14,34}};

        saveFile << Person{"John", 32, 43895, Team{15,34}};

        saveFile << Person{"Pete", 18, 43111, Team{16,34}};

    }

    CF::IFile    loadFile("data");

    Person   p;

    

    

    loadFile.seekg(2);

    loadFile >> p; // Should load Luke (as this is record 2 (zero based)

    

    loadFile.seekg(4);

    loadFile >> p; // Should load Pete (as this is record 4 (zero based)

    

}

````

## HomeBrew

Can be installed via brew on Mac and Linux

    brew install thors-mongo

* Mac: https://formulae.brew.sh/formula/thors-mongo

* Linux: https://formulae.brew.sh/formula-linux/thors-mongo

## Header Only

To install header only version

    git clone --single-branch --branch header-only https://github.com/Loki-Astari/ThorsMongo.git

## Contributors

Added the all-contributers bot to generate the table.