76 lines
3.2 KiB
Markdown
76 lines
3.2 KiB
Markdown
C++ SQL Parser
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=========================
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[]()
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[](https://travis-ci.org/hyrise/sql-parser)
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This is a SQL Parser for C++. It parses the given SQL query into C++ objects.
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It has been developed for integration in [Hyrise](https://github.com/hyrise/hyrise), but can be used perfectly well in other environments as well.
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In March 2015 we've also written a short paper outlining discussing some development details and the integration into our database Hyrise. You can find the paper [here](http://torpedro.com/paper/HyriseSQL-03-2015.pdf).
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## Usage
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**Note:** You can also find a detailed usage description at this [blog post](http://torpedro.github.io/tech/c++/sql/parser/2016/02/27/c++-sql-parser.html).
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**Requirements:**
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* gcc 4.8+ (or clang 3.4+)
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To use the SQL parser in your own projects you simply have to follow these few steps. The only requirement for is gcc 4.8+. Older versions of gcc/clang might also work, but are untested.
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1. Download the [latest release here](https://github.com/hyrise/sql-parser/releases)
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2. Compile the library `make` to create `libsqlparser.so`
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3. *(Optional, Recommended)* Run `make install` to copy the library to `/usr/local/lib/`
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4. Run the tests `make test` to make sure everything worked
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5. Include the `SQLParser.h` from `src/` (or from `/usr/local/lib/hsql/` if you installed it) and link the library in your project
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6. Take a look at the [example project here](https://github.com/hyrise/sql-parser/tree/master/example)
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```cpp
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#include "hsql/SQLParser.h"
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/* ... */
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{
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// Basic Usage Example
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const std::string query = "...";
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hsql::SQLParserResult result;
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hsql::SQLParser::parseSQLString(query, &result);
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if (result.isValid() && result.size() > 0) {
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const hsql::SQLStatement* statement = result.getStatement(0);
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if (statement.isType(hsql::SelectStatement)) {
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const hsql::SelectStatement* select = (const hsql::SelectStatement*) statement;
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/* ... */
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}
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}
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}
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```
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Quick Links:
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* [SQLParser.h](src/SQLParser.h)
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* [SQLParserResult.h](src/SQLParserResult.h)
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* [SelectStatement.h](src/sql/SelectStatement.h)
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## How to Contribute
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**[Developer Documentation](docs/)**
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We strongly encourage you to contribute to this project! If you want to contribute to this project there are several options. If you've noticed a bug or would like an improvement let us know by creating a [new issue](https://github.com/hyrise/sql-parser/issues). If you want to develop a new feature yourself or just improve the quality of the system, feel free to fork the reposistory and implement your changes. Open a pull request as soon as your done and we will look over it. If we think it's good then your pull request will be merged into this repository.
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## License
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HYRISE sql-parser is licensed as open source after the OpenSource "Licence of the Hasso-Plattner Institute" declared in the LICENSE file of this project.
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## Contributers
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The following people contributed to HYRISE sql-parser in various forms.
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* Pedro Flemming ([@torpedro](https://github.com/torpedro))
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* David Schwalb ([@schwald](https://github.com/schwald))
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