feat(Cmake/Database): separate database lib from common (#5334)

* feat(Core/Database): separate databse lib from common * 1
2026-01-16 18:40:28 +00:00 · 2021-04-20 17:08:23 +07:00
parent 47378ad14d
commit a278fd7340
39 changed files with 82 additions and 8 deletions
--- a/src/server/database/Database/PreparedStatement.h
+++ b/src/server/database/Database/PreparedStatement.h
@@ -0,0 +1,164 @@
+/*
+ * Copyright (C) 2016+     AzerothCore <www.azerothcore.org>
+ * Copyright (C) 2008-2016 TrinityCore <http://www.trinitycore.org/>
+ * Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
+ */
+
+#ifndef _PREPAREDSTATEMENT_H
+#define _PREPAREDSTATEMENT_H
+
+#include "SQLOperation.h"
+#include <ace/Future.h>
+
+#ifdef __APPLE__
+#undef TYPE_BOOL
+#endif
+
+//- Union for data buffer (upper-level bind -> queue -> lower-level bind)
+union PreparedStatementDataUnion
+{
+    bool boolean;
+    uint8 ui8;
+    int8 i8;
+    uint16 ui16;
+    int16 i16;
+    uint32 ui32;
+    int32 i32;
+    uint64 ui64;
+    int64 i64;
+    float f;
+    double d;
+};
+
+//- This enum helps us differ data held in above union
+enum PreparedStatementValueType
+{
+    TYPE_BOOL,
+    TYPE_UI8,
+    TYPE_UI16,
+    TYPE_UI32,
+    TYPE_UI64,
+    TYPE_I8,
+    TYPE_I16,
+    TYPE_I32,
+    TYPE_I64,
+    TYPE_FLOAT,
+    TYPE_DOUBLE,
+    TYPE_STRING,
+    TYPE_BINARY,
+    TYPE_NULL
+};
+
+struct PreparedStatementData
+{
+    PreparedStatementDataUnion data;
+    PreparedStatementValueType type;
+    std::vector<uint8> binary;
+};
+
+//- Forward declare
+class MySQLPreparedStatement;
+
+//- Upper-level class that is used in code
+class PreparedStatement
+{
+    friend class PreparedStatementTask;
+    friend class MySQLPreparedStatement;
+    friend class MySQLConnection;
+
+public:
+    explicit PreparedStatement(uint32 index);
+    ~PreparedStatement();
+
+    void setBool(const uint8 index, const bool value);
+    void setUInt8(const uint8 index, const uint8 value);
+    void setUInt16(const uint8 index, const uint16 value);
+    void setUInt32(const uint8 index, const uint32 value);
+    void setUInt64(const uint8 index, const uint64 value);
+    void setInt8(const uint8 index, const int8 value);
+    void setInt16(const uint8 index, const int16 value);
+    void setInt32(const uint8 index, const int32 value);
+    void setInt64(const uint8 index, const int64 value);
+    void setFloat(const uint8 index, const float value);
+    void setDouble(const uint8 index, const double value);
+    void setString(const uint8 index, const std::string& value);
+    void setBinary(const uint8 index, const std::vector<uint8>& value);
+    template<size_t Size>
+    void setBinary(const uint8 index, std::array<uint8, Size> const& value)
+    {
+        std::vector<uint8> vec(value.begin(), value.end());
+        setBinary(index, vec);
+    }
+    void setNull(const uint8 index);
+
+protected:
+    void BindParameters();
+
+protected:
+    MySQLPreparedStatement* m_stmt;
+    uint32 m_index;
+    std::vector<PreparedStatementData> statement_data;    //- Buffer of parameters, not tied to MySQL in any way yet
+};
+
+//- Class of which the instances are unique per MySQLConnection
+//- access to these class objects is only done when a prepared statement task
+//- is executed.
+class MySQLPreparedStatement
+{
+    friend class MySQLConnection;
+    friend class PreparedStatement;
+
+public:
+    MySQLPreparedStatement(MYSQL_STMT* stmt);
+    ~MySQLPreparedStatement();
+
+    void setBool(const uint8 index, const bool value);
+    void setUInt8(const uint8 index, const uint8 value);
+    void setUInt16(const uint8 index, const uint16 value);
+    void setUInt32(const uint8 index, const uint32 value);
+    void setUInt64(const uint8 index, const uint64 value);
+    void setInt8(const uint8 index, const int8 value);
+    void setInt16(const uint8 index, const int16 value);
+    void setInt32(const uint8 index, const int32 value);
+    void setInt64(const uint8 index, const int64 value);
+    void setFloat(const uint8 index, const float value);
+    void setDouble(const uint8 index, const double value);
+    void setBinary(const uint8 index, const std::vector<uint8>& value, bool isString);
+    void setNull(const uint8 index);
+
+protected:
+    MYSQL_STMT* GetSTMT() { return m_Mstmt; }
+    MYSQL_BIND* GetBind() { return m_bind; }
+    PreparedStatement* m_stmt;
+    void ClearParameters();
+    bool CheckValidIndex(uint8 index);
+    [[nodiscard]] std::string getQueryString(std::string const& sqlPattern) const;
+
+private:
+    void setValue(MYSQL_BIND* param, enum_field_types type, const void* value, uint32 len, bool isUnsigned);
+
+private:
+    MYSQL_STMT* m_Mstmt;
+    uint32 m_paramCount;
+    std::vector<bool> m_paramsSet;
+    MYSQL_BIND* m_bind;
+};
+
+typedef ACE_Future<PreparedQueryResult> PreparedQueryResultFuture;
+
+//- Lower-level class, enqueuable operation
+class PreparedStatementTask : public SQLOperation
+{
+public:
+    PreparedStatementTask(PreparedStatement* stmt);
+    PreparedStatementTask(PreparedStatement* stmt, PreparedQueryResultFuture result);
+    ~PreparedStatementTask() override;
+
+    bool Execute() override;
+
+protected:
+    PreparedStatement* m_stmt;
+    bool m_has_result;
+    PreparedQueryResultFuture m_result;
+};
+#endif