1 files changed, 115 insertions, 0 deletions
diff --git a/utils/vmpi/imysqlwrapper.h b/utils/vmpi/imysqlwrapper.h
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+++ b/utils/vmpi/imysqlwrapper.h
@@ -0,0 +1,115 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+
+#ifndef MYSQL_WRAPPER_H
+#define MYSQL_WRAPPER_H
+#ifdef _WIN32
+#pragma once
+#endif
+
+
+#include "utlvector.h"
+#include "interface.h"
+
+
+class IMySQLRowSet;
+
+
+class CColumnValue
+{
+public:
+
+					CColumnValue( IMySQLRowSet *pSQL, int iColumn );
+
+	const char*		String();
+	long			Int32();
+
+private:
+	IMySQLRowSet	*m_pSQL;
+	int				m_iColumn;
+};
+
+
+
+class IMySQLRowSet
+{
+public:
+	virtual void			Release() = 0;
+
+	// Get the number of columns in the data returned from the last query (if it was a select statement).	
+	virtual int				NumFields() = 0;
+	
+	// Get the name of each column returned by the last query.
+	virtual const char*		GetFieldName( int iColumn ) = 0;
+
+	// Call this in a loop until it returns false to iterate over all rows the query returned.
+	virtual bool			NextRow() = 0;
+
+	// You can call this to start iterating over the result set from the start again.
+	// Note: after calling this, you have to call NextRow() to actually get the first row's value ready.
+	virtual bool			SeekToFirstRow() = 0;
+
+	virtual CColumnValue	GetColumnValue( int iColumn ) = 0;
+	virtual CColumnValue	GetColumnValue( const char *pColumnName ) = 0;
+
+	virtual const char*		GetColumnValue_String( int iColumn ) = 0;
+	virtual long			GetColumnValue_Int( int iColumn ) = 0;
+
+	// You can call this to get the index of a column for faster lookups with GetColumnValue( int ).
+	// Returns -1 if the column can't be found.
+	virtual int				GetColumnIndex( const char *pColumnName ) = 0;
+};
+
+
+class IMySQL : public IMySQLRowSet
+{
+public:
+	virtual bool			InitMySQL( const char *pDBName, const char *pHostName="", const char *pUserName="", const char *pPassword="" ) = 0;
+	virtual void			Release() = 0;
+
+	// These execute SQL commands. They return 0 if the query was successful.
+	virtual int				Execute( const char *pString ) = 0;
+
+	// This reads in all of the data in the last row set you queried with Execute and builds a separate
+	// copy. This is useful in some of the VMPI tools to have a thread repeatedly execute a slow query, then
+	// store off the results for the main thread to parse.
+	virtual IMySQLRowSet*	DuplicateRowSet() = 0;
+
+	// If you just inserted rows into a table with an AUTO_INCREMENT column,
+	// then this returns the (unique) value of that column.
+	virtual unsigned long	InsertID() = 0;
+
+	// Returns the last error message, if an error took place
+	virtual const char *	GetLastError() = 0;
+};
+
+
+#define MYSQL_WRAPPER_VERSION_NAME "MySQLWrapper001"
+
+
+// ------------------------------------------------------------------------------------------------ //
+// Inlines.
+// ------------------------------------------------------------------------------------------------ //
+
+inline CColumnValue::CColumnValue( IMySQLRowSet *pSQL, int iColumn )
+{
+	m_pSQL = pSQL;
+	m_iColumn = iColumn;
+}
+
+inline const char* CColumnValue::String()
+{
+	return m_pSQL->GetColumnValue_String( m_iColumn );
+}
+
+inline long	CColumnValue::Int32()
+{
+	return m_pSQL->GetColumnValue_Int( m_iColumn );
+}
+
+
+#endif // MYSQL_WRAPPER_H