Make SQL_LastInsertId and SQL_GetAffectedRows work on query handles, allowing their use with threaded queries

extensions/mysql/mysql/MyBasicResults.cpp

@@ -307,6 +307,8 @@ MyQuery::MyQuery(MyDatabase *db, MYSQL_RES *res)
 : m_pParent(db), m_rs(res)
 {
 	m_pParent->IncReferenceCount();
+	m_InsertID = m_pParent->GetInsertID();
+	m_AffectedRows = m_pParent->GetAffectedRows();
 }
 
 IResultSet *MyQuery::GetResultSet()
@@ -319,6 +321,16 @@ IResultSet *MyQuery::GetResultSet()
 	return &m_rs;
 }
 
+unsigned int MyQuery::GetInsertID()
+{
+	return m_InsertID;
+}
+
+unsigned int MyQuery::GetAffectedRows()
+{
+	return m_AffectedRows;
+}
+
 bool MyQuery::FetchMoreResults()
 {
 	if (m_rs.m_pRes == NULL)

extensions/mysql/mysql/MyBasicResults.h

@@ -87,9 +87,14 @@ public:
 	IResultSet *GetResultSet();
 	bool FetchMoreResults();
 	void Destroy();
+public: // Used by the driver to implement GetInsertIDForQuery()/GetAffectedRowsForQuery()
+	unsigned int GetInsertID();
+	unsigned int GetAffectedRows();
 private:
 	MyDatabase *m_pParent;
 	MyBasicResults m_rs;
+	unsigned int m_InsertID;
+	unsigned int m_AffectedRows;
 };
 
 #endif //_INCLUDE_SM_MYSQL_BASIC_RESULTS_H_

extensions/mysql/mysql/MyDatabase.cpp

@@ -257,6 +257,16 @@ IQuery *MyDatabase::DoQueryEx(const char *query, size_t len)
 	return new MyQuery(this, res);
 }
 
+unsigned int MyDatabase::GetAffectedRowsForQuery(IQuery *query)
+{
+	return static_cast<MyQuery*>(query)->GetAffectedRows();
+}
+
+unsigned int MyDatabase::GetInsertIDForQuery(IQuery *query)
+{
+	return static_cast<MyQuery*>(query)->GetInsertID();
+}
+
 IPreparedQuery *MyDatabase::PrepareQuery(const char *query, char *error, size_t maxlength, int *errCode)
 {
 	MYSQL_STMT *stmt = mysql_stmt_init(m_mysql);

extensions/mysql/mysql/MyDatabase.h

@@ -60,6 +60,8 @@ public: //IDatabase
 	IDBDriver *GetDriver();
 	bool DoSimpleQueryEx(const char *query, size_t len);
 	IQuery *DoQueryEx(const char *query, size_t len);
+	unsigned int GetAffectedRowsForQuery(IQuery *query);
+	unsigned int GetInsertIDForQuery(IQuery *query);
 public:
 	const DatabaseInfo &GetInfo();
 private: