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mssql: support windows (#10336)

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youyuanwu 2021-06-07 04:02:15 -07:00 committed by GitHub
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thirdparty/mssql/include/.gitignore vendored Normal file
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*
!.gitignore
!mssql.h

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thirdparty/mssql/include/mssql.h vendored Normal file
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// Hacking some headers in windows.
// sql headers using UNICODE to change function signatures.
// Currently Linux bindings do not use unicode SQL C bindings,
// So we turn off the UNICODE to make it compile on windows.
// For future Unicode support, please raise a issue.
#include <windows.h>
#include <sal.h>
#ifdef UNICODE
// Turn off unicode macro and turn back on, so it only affects sql headers
#undef UNICODE
#include <sql.h>
#include <sqlext.h>
#define UNICODE
#else
#include <sql.h>
#include <sqlext.h>
#endif

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vlib/mssql/README.md
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## Dependencies
* ODBC C/C++ library
* Linux Install: https://docs.microsoft.com/en-us/sql/connect/odbc/linux-mac/installing-the-microsoft-odbc-driver-for-sql-server
* `msodbcsql17` and `unixodbc-dev` packages needed
* Windows Install: https://docs.microsoft.com/en-us/sql/connect/odbc/microsoft-odbc-driver-for-sql-server
* Linux Install:
* Details: https://docs.microsoft.com/en-us/sql/connect/odbc/linux-mac/installing-the-microsoft-odbc-driver-for-sql-server
* `msodbcsql17` and `unixodbc-dev` packages are needed
* Windows Install:
* `odbc` lib is included in windows sdk for most of distributions,
so there is no need to install it separately
* Details: https://docs.microsoft.com/en-us/sql/connect/odbc/microsoft-odbc-driver-for-sql-server
## Windows Notes
### Using `msvc`
* Make sure `cl.exe` of `msvc` is accessible from command line.
You can run `v` commands in `Visual Studio 2019 Developer Command Prompt` to be safe.
* C Headers and dlls can be automatically resolved by `msvc`.
### Using `tcc`
* Copy those headers to `@VEXEROOT\thirdparty\mssql\include`.
The version number `10.0.18362.0` might differ on your system.
Command Prompt commands:
```cmd
copy "C:\Program Files (x86)\Windows Kits\10\Include\10.0.18362.0\um\sql.h" thirdparty\mssql\include
copy "C:\Program Files (x86)\Windows Kits\10\Include\10.0.18362.0\um\sqlext.h" thirdparty\mssql\include
copy "C:\Program Files (x86)\Windows Kits\10\Include\10.0.18362.0\um\sqltypes.h" thirdparty\mssql\include
copy "C:\Program Files (x86)\Windows Kits\10\Include\10.0.18362.0\um\sqlucode.h" thirdparty\mssql\include
copy "C:\Program Files (x86)\Windows Kits\10\Include\10.0.18362.0\shared\sal.h" thirdparty\mssql\include
copy "C:\Program Files (x86)\Windows Kits\10\Include\10.0.18362.0\shared\concurrencysal.h" thirdparty\mssql\include
```
* dlls can be automatically resolved by `tcc`
## TODO
* Support Windows
* Support Mac
* ORM
* Support ORM
## Usage
```v ignore

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vlib/mssql/_cdef_windows.c.v
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module mssql
// TODO: implement windows
// #flag windows -I@VEXEROOT/thirdparty/msodbcsql17
// #flag windows @VEXEROOT/thirdparty/msodbcsql17/lib64
// mssql module does not support tcc on windows
// odbc32 lib comes with windows sdk and does not need to be installed separately.
// v builder for msvc can resolve the sdk includes search path, so no need to repeat here.
#flag windows -lodbc32
// Special handling of sql headers on windows.
// Source is in v third party folder.
#flag windows -I@VEXEROOT/thirdparty/mssql/include
#include <mssql.h>