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74 lines
2.7 KiB
Markdown
74 lines
2.7 KiB
Markdown
If you want to help with the development of the library, you might want to consider one of these items:
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# Better documentation
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The documentation in the Wiki is incomplete and outdated. It is also not part of source control, which makes it a bit harder to contribute.
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It might make sense to write a couple of markdown files here.
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Throw in chapters of how to add features and how to write connector libraries.
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## Better tests and examples
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Many of the current tests were born when the library was in infant state. Often they test implementation details. And they often just print stuff, instead of checking said stuff.
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# Connectors
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## Merge stable connectors into sqlpp11
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Having all connector libraries in place, makes maintenance considerably simpler, see #174.
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It would also reduce the cognitive overhead for newcomers.
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## New connectors
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There are a couple of connector libraries already. Here are some that have been requested in the past
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- Sybase
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- Oracle
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- SQL Server
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- Google Spanner
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## More special functions and types for connectors
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GROUP CONCAT or JSON support for mysql, for instance
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INSERT OR UPDATE for postgresl and mysql
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INSERT INTO ... SELECT ... for postgresql
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CREATE TABLE for all of them, including PPGEN
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Exception types that carry more specific error information, e.g. the native error code, see #227
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Find a way to handle column names that are keywords in the vendor's dialect, see #199
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Handle specific data types, including JSON for the connectors.
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More test cases for DDL files.
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# EDSL features
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Multi-line insert in prepared statements, see #68
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## optional std::optional support
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Instead of sqlpp::value_or_null, std::optional would be nice, see #238
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## Converter to and from SQL to C++ structs, to allow for more ORM like code
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Assuming that you have converter functions from struct to sqlpp11 and back, we could have something like this:
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```C++
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struct Person;
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insert_into(tab).set(Person{});
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update(tab).set(Person{});
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for (const auto& person : db(select(Person{}).from(tab).unconditionally()))
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{
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// ...
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}
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```
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# Runtime improvements
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## Connection pools and caching interface
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In order to support high load scenarios,
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- connection pools (to avoid creating and destroying connections)
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- caching (hash the query and answer it from the cache for some time), see #86
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## Async support
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Obtain results in an asynchronous fashion, see #35, for instance.
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# Compile time improvements
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## Simplify code
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See Seventeenification talk. Some of the simplifications can be ported back easily.
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## Suppress export of symbols
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Some compilers tend to export all the generated symbols, which is a bit annoying in case of template-heavy libraries like sqlpp11 (leads to larger files and longer compile/link/startup times, I believe).
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There are ways to suppress this in most compilers, afaik.
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