Esempio n. 1
0
        public static void transCreateTable(TableManager tableManager, SqlGrammar.Sql_Table table)
        {
            List <string> order = new List <string>(Constants.MAX_ATTR_NUM);

            if (table != null)
            {
                Dictionary <string, TableAttribute> atributes = new Dictionary <string, TableAttribute>(Constants.MAX_ATTR_NUM);
                foreach (var item in table.tableAttributes)
                {
                    order.Add(item.name);
                    Parser.println("type = " + item.type);
                    switch (item.type)
                    {
                    case "int":
                        item.type = "Int32";
                        break;

                    case "varchar":
                        item.type = "String";
                        break;
                    }
                    Parser.println("size = " + item.maxStringLength);
                    atributes.Add(item.name, new TableAttribute(item.type, item.isPrimary, item.maxStringLength));
                }
                tableManager.createTable(table.name, order, atributes);
            }
        }
Esempio n. 2
0
 public static KeyValuePair <string, dynamic> sql_selector(string sql)
 {
     string[] seperated_query = sql.Split();
     if (string.Compare(seperated_query[0].ToLower(), "create", true) == 0)
     {
         SqlGrammar.Sql_Table table = CreateTable(sql);
         return(new KeyValuePair <string, dynamic>("create", table));
     }
     else if (string.Compare(seperated_query[0].ToLower(), "insert", true) == 0)
     {
         //Console.WriteLine("Inserting");
         SqlGrammar.Sql_Insertion Insertion = Insert(sql);
         return(new KeyValuePair <string, dynamic>("Inserting", Insertion));
         //public string table;
         //public List<string> AttrNames;
         //public List<dynamic> AttrValues;
     }
     else if (string.Compare(seperated_query[0].ToLower(), "select", true) == 0)
     {
         //Console.WriteLine("Inserting");
         SqlObjects.Sql_Select selection = Parser.Select(sql + ";");
         return(new KeyValuePair <string, dynamic>("select", selection));
         //public string table;
         //public List<string> AttrNames;
         //public List<dynamic> AttrValues;
     }
     else if (string.Compare(seperated_query[0].ToLower(), "create index") == 0)
     {
         SqlObjects.SQL_Index Indexing = Parser.Index(sql);
         return(new KeyValuePair <string, dynamic>("index", Indexing));
     }
     else
     {
         if (sql == string.Empty)
         {
             return(new KeyValuePair <string, dynamic>("empty", null));
         }
         else
         {
             return(new KeyValuePair <string, dynamic>("unKnown", null));
         }
     }
 }