今日要點:

MySQL C API的定義

MySQL C API包含的內容

如何獲取MySQL C API

什么是庫(library)的解釋

windows版外帶調試庫

JDBC,ODBC,ADO,PDO....，每門語言都有各自的數據鏈接庫。

如果寫服務器的話，肯定是經常使用。

如果對于Mysql數據庫來說，不管是JDBC, 還是ODBC,ADODB,PDO...最終終歸會調用MySQL C API

所以MySQL C API是核心，很適合游戲服務器開發.

MySQL C API的定義:

The MySQL C API is a C-based API that client applications written in C can use to communicate with MySQL Server.

Client programs refer to C API header files at compile time and link to a C API library file at link time.

注: c/c++的庫(或稱為SDK包)包含兩個必要的文件: 頭文件以及鏈接庫文件(包括靜態鏈接庫或動態鏈接庫)

MySQL C API包含的內容:

The library comes in two versions, depending on how the application is intended to communicate with the server:

libmysqlclient: The client version of the library, used for applications that communicate over a network connection as a client of a standalone server process.

libmysqld: The embedded server version of the library, used for applications intended to include an embedded MySQL server within the application itself. The application communicates with its own private server instance.

Note

The libmysqld embedded server library is deprecated as of MySQL 5.7.19 and will be removed in MySQL 8.0.

注: 所有不要使用libmysqld服務端庫！

如何獲取MySQL C API:

There are two ways to obtain the C API header and library files required to build C API client programs:

Install a MySQL Server distribution. Server distributions include both libmysqlclient and libmysqld.

Install a Connector/C distribution. Connector/C distributions include only libmysqlclient. They do not include libmysqld.

注：在各個系統中標準方式安裝MySQL后都帶有 C AP庫

什么是庫(library)的解釋:(靜態庫，動態庫在不同操作系統上具有不同后綴名！！！)

The names of the library files to use when linking C API client applications depend on the library type and platform for which a distribution is built:

On Unix (and Unix-like) sytems, the static library is libmysqlclient.a. The dynamic library is libmysqlclient.so on most Unix systems and libmysqlclient.dylib on OS X.

For distributions that include embedded server libraries, the corresponding library names begin with libmysqld rather than libmysqlclient.

On Windows, the static library is mysqlclient.lib and the dynamic library is libmysql.dll. Windows distributions also include libmysql.lib, a static import library needed for using the dynamic library.

For distributions that include embedded server libraries, the corresponding library names are mysqlserver.lib, libmysqld.dll, and libmysqld.lib.

windows版外帶調試庫:

Windows distributions also include a set of debug libraries. These have the same names as the nondebug libraries, but are located in the lib/debug library. You must use the debug libraries when compiling clients built using the debug C runtime.

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