mysql表名支持忽略大小写

kbengine#605

Author: kebiao

kbe/src/lib/db_interface/entity_table.h

@@ -277,11 +277,30 @@ class EntityTable
 class EntityTables
 {
 public:
+	struct case_insensitive_hasher
+	{
+		size_t operator()(const std::string& key) const
+		{
+			std::string keyCopy(key);
+			std::transform(keyCopy.begin(), keyCopy.end(), keyCopy.begin(), tolower);
+			return std::hash<std::string>()(keyCopy);
+		}
+	};
+
+	struct case_insensitive_comparer
+	{
+		bool operator() (const std::string& x, const std::string& y) const
+		{
+			return x.size() == y.size() && kbe_stricmp(x.c_str(), y.c_str()) == 0;
+		}
+	};
+
 	typedef KBEUnordered_map<std::string, EntityTables> ENTITY_TABLES_MAP;
 	static ENTITY_TABLES_MAP sEntityTables;
 	static EntityTables& findByInterfaceName(const std::string& dbInterfaceName);
 
-	typedef KBEUnordered_map<std::string, KBEShared_ptr<EntityTable> > TABLES_MAP;
+	typedef KBEUnordered_map<std::string, KBEShared_ptr<EntityTable>, case_insensitive_hasher, case_insensitive_comparer> TABLES_MAP;
+
 	EntityTables();
 	virtual ~EntityTables();
 

kbe/src/lib/db_mysql/db_interface_mysql.cpp

@@ -274,6 +274,7 @@ bool DBInterfaceMysql::attach(const char* databaseName)
 //-------------------------------------------------------------------------------------
 bool DBInterfaceMysql::checkEnvironment()
 {
+	/*
 	std::string querycmd = "SHOW VARIABLES";
 	if(!query(querycmd.c_str(), querycmd.size(), true))
 	{
@@ -315,6 +316,8 @@ bool DBInterfaceMysql::checkEnvironment()
 	}
 	
 	return lower_case_table_names;
+	*/
+	return true;
 }
 
 //-------------------------------------------------------------------------------------