added new (somewhat experimental) mysql extension and finalized the API

--HG--
extra : convert_revision : svn%3A39bc706e-5318-0410-9160-8a85361fbb7c/trunk%40868

extensions/mysql/mysql/MyDatabase.h

@@ -0,0 +1,45 @@
+#ifndef _INCLUDE_SM_MYSQL_DATABASE_H_
+#define _INCLUDE_SM_MYSQL_DATABASE_H_
+
+#include "MyDriver.h"
+
+class MyQuery;
+class MyStatement;
+
+class MyDatabase : public IDatabase
+{
+	friend class MyQuery;
+	friend class MyStatement;
+public:
+	MyDatabase(MYSQL *mysql, const DatabaseInfo *info, bool persistent);
+	~MyDatabase();
+public: //IDatabase
+	bool Close(bool fromHndlSys=false);
+	const char *GetError(int *errorCode=NULL);
+	bool DoSimpleQuery(const char *query);
+	IQuery *DoQuery(const char *query);
+	IPreparedQuery *PrepareQuery(const char *query, char *error, size_t maxlength, int *errCode=NULL);
+	bool QuoteString(const char *str, char buffer[], size_t maxlen, size_t *newSize);
+	unsigned int GetAffectedRows();
+	unsigned int GetInsertID();
+	Handle_t GetHandle();
+public:
+	const DatabaseInfo &GetInfo();
+	void IncRefCount();
+private:
+	MYSQL *m_mysql;
+	unsigned int m_refcount;
+	Handle_t m_handle;
+
+	/* ---------- */
+	DatabaseInfo m_Info;
+	String m_Host;
+	String m_Database;
+	String m_User;
+	String m_Pass;
+	bool m_bPersistent;
+};
+
+DBType GetOurType(enum_field_types type);
+
+#endif //_INCLUDE_SM_MYSQL_DATABASE_H_