Merge pull request #8953 from ChillerDragon/pr_bind_null

Add BindNull to SQL api

src/engine/server/databases/connection.h

@@ -61,6 +61,7 @@ public:
 	virtual void BindInt(int Idx, int Value) = 0;
 	virtual void BindInt64(int Idx, int64_t Value) = 0;
 	virtual void BindFloat(int Idx, float Value) = 0;
+	virtual void BindNull(int Idx) = 0;
 
 	// Print expanded sql statement
 	virtual void Print() = 0;

src/engine/server/databases/mysql.cpp

@@ -89,6 +89,7 @@ public:
 	void BindInt(int Idx, int Value) override;
 	void BindInt64(int Idx, int64_t Value) override;
 	void BindFloat(int Idx, float Value) override;
+	void BindNull(int Idx) override;
 
 	void Print() override {}
 	bool Step(bool *pEnd, char *pError, int ErrorSize) override;
@@ -421,6 +422,22 @@ void CMysqlConnection::BindFloat(int Idx, float Value)
 	pParam->error = nullptr;
 }
 
+void CMysqlConnection::BindNull(int Idx)
+{
+	m_NewQuery = true;
+	Idx -= 1;
+	dbg_assert(0 <= Idx && Idx < (int)m_vStmtParameters.size(), "index out of bounds");
+
+	MYSQL_BIND *pParam = &m_vStmtParameters[Idx];
+	pParam->buffer_type = MYSQL_TYPE_NULL;
+	pParam->buffer = nullptr;
+	pParam->buffer_length = 0;
+	pParam->length = nullptr;
+	pParam->is_null = nullptr;
+	pParam->is_unsigned = false;
+	pParam->error = nullptr;
+}
+
 bool CMysqlConnection::Step(bool *pEnd, char *pError, int ErrorSize)
 {
 	if(m_NewQuery)

src/engine/server/databases/sqlite.cpp

@@ -37,6 +37,7 @@ public:
 	void BindInt(int Idx, int Value) override;
 	void BindInt64(int Idx, int64_t Value) override;
 	void BindFloat(int Idx, float Value) override;
+	void BindNull(int Idx) override;
 
 	void Print() override;
 	bool Step(bool *pEnd, char *pError, int ErrorSize) override;
@@ -241,6 +242,13 @@ void CSqliteConnection::BindFloat(int Idx, float Value)
 	m_Done = false;
 }
 
+void CSqliteConnection::BindNull(int Idx)
+{
+	int Result = sqlite3_bind_null(m_pStmt, Idx);
+	AssertNoError(Result);
+	m_Done = false;
+}
+
 // Keep support for SQLite < 3.14 on older Linux distributions. MinGW does not
 // support __attribute__((weak)): https://sourceware.org/bugzilla/show_bug.cgi?id=9687
 #if defined(__GNUC__) && !defined(__MINGW32__)

src/game/client/components/statboard.cpp

@@ -102,7 +102,7 @@ void CStatboard::OnMessage(int MsgType, void *pRawMsg)
 
 				if(t <= p)
 					return;
-				str_utf8_truncate(aName, sizeof(aName), p, t - p);
+				str_truncate(aName, sizeof(aName), p, t - p);
 
 				for(int i = 0; i < MAX_CLIENTS; i++)
 				{