Example #1
0
 public void NewQuery(string NameSpace, string query)
 {
     _outputQuery = "";
     _namespace = NameSpace;
     if (query.StartsWith("(") && query.EndsWith(")"))
         query = query.TrimStart('(').TrimEnd(')');
     query = query.Trim();
     _requiredTypes = new Queue<Type>();
     _tokenizer = new QueryTokenizer(query);
     _tokenizer.parse();
     _tableFieldCounts = new Dictionary<int, int>();
     _fieldNames = new Dictionary<int, string>();
     _tableFields = new Dictionary<string, Type>();
     _enumFields = new Dictionary<int, Type>();
     _subQueryIndexes = new Dictionary<int, int>();
     if (_conn != null)
     {
         try
         {
             _conn.Close();
         }
         catch (Exception e)
         {
         }
     }
     Translate();
     _outputQuery = _outputQuery.Trim();
     int index = 0;
     while (_regTrueFalse.IsMatch(_outputQuery, index))
     {
         Match m = _regTrueFalse.Match(_outputQuery, index);
         _outputQuery = _outputQuery.Substring(0, m.Groups[2].Index) + (m.Groups[2].Value.ToLower() == "true" ? _pool.TrueString : _pool.FalseString) + _outputQuery.Substring(m.Groups[2].Index + m.Groups[2].Length);
         index = (m.Index + m.Length>_outputQuery.Length ? _outputQuery.Length-1 : m.Index+m.Length);
     }
     for (int x = 0; x < _fieldNames.Count; x++)
     {
         if (!_fieldNames.ContainsKey(x))
         {
             _fieldNames.Add(x, _fieldNames[x + 1]);
             _fieldNames.Remove(x + 1);
         }
         _fieldNames[x] = _fieldNames[x].Trim("'\"".ToCharArray());
     }
     Logger.LogLine("Class Query: " + query + "\nTranslated To:" + _outputQuery);
 }
Example #2
0
 private string TranslateGroupOrderByFieldName(int index, List<int> tableDeclarations, Dictionary<int, string> fieldAliases, Dictionary<string, string> tableAliases, Dictionary<string, List<string>> fieldList,QueryTokenizer tokenizer)
 {
     QueryToken field = tokenizer.Tokens[index];
     string tableName = "";
     string fieldName = tokenizer.Tokens[index].Value;
     string alias = "";
     if (field.Value.Contains("."))
     {
         alias = field.Value.Substring(0, field.Value.IndexOf("."));
         tableName = field.Value.Substring(0, field.Value.IndexOf("."));
         fieldName = fieldName.Substring(tableName.Length + 1);
     }
     else
     {
         if (tableDeclarations.Count == 1)
         {
             tableName = _tokenizer.Tokens[tableDeclarations[0]].Value;
         }
     }
     if (tableAliases.ContainsKey(tableName))
         tableName = tableAliases[tableName];
     string ret = field.Value;
     Type t = LocateTableType(tableName);
     if (t != null)
     {
         sTable map = _pool.Mapping[t];
         if (fieldName.Contains("."))
         {
             while (fieldName.Contains("."))
             {
                 PropertyInfo pi = t.GetProperty(fieldName.Substring(0, fieldName.IndexOf(".")), Utility._BINDING_FLAGS_WITH_INHERITANCE);
                 map = _pool.Mapping[(pi.PropertyType.IsArray ? pi.PropertyType.GetElementType() : pi.PropertyType)];
                 fieldName = fieldName.Substring(fieldName.IndexOf(".") + 1);
                 t = (pi.PropertyType.IsArray ? pi.PropertyType.GetElementType() : pi.PropertyType);
             }
             if (fieldName != "*")
             {
                 if (map.GetRelationForProperty(fieldName).HasValue && !map.IsEnumProperty(fieldName))
                 {
                     ret = "";
                     foreach (string str in fieldList[field.Value])
                     {
                         ret += field.Value.Replace(".", "_") + "." + str + ", ";
                     }
                 }
                 else
                     ret = TranslateParentFieldName(field.Value.Substring(0, field.Value.LastIndexOf(".")).Replace(".", "_"),fieldName,t,-1);
             }
             else
             {
                 ret = field.Value.Substring(0, field.Value.LastIndexOf(".")).Replace(".", "_") + ".*";
             }
         }
         else
         {
             if (fieldName == "*")
             {
                 ret = "*";
             }
             else
             {
                 if (map.GetRelationForProperty(fieldName).HasValue && !map.IsEnumProperty(fieldName))
                 {
                     ret = "";
                     foreach (string str in fieldList[field.Value])
                     {
                         ret += field.Value.Replace(".", "_") + "." + str + ", ";
                     }
                 }
                 else
                     ret = TranslateParentFieldName(alias,fieldName,t,-1);
             }
         }
     }
     return ret;
 }
Example #3
0
		private string TranslateSubQuery(int i,Dictionary<string,string> parentTableAliases, ref List<IDbDataParameter> parameters,ref Dictionary<int,string> translations)
		{
			List<int> tableDeclarations = new List<int>();
			Dictionary<int, string> fieldAliases = new Dictionary<int, string>();
			Dictionary<string, string> tableAliases = new Dictionary<string, string>();
			List<int> fieldIndexes = new List<int>();
            List<int> joinConditionIndexes = new List<int>();
			Dictionary<int, int> conditionIndexes=new Dictionary<int, int>();
			int x = 1;
			int whereIndex=-1;
            int fromIndex = -1;
			while (
				(x < _subQueryIndexes[i]) &&
				(_tokenizer.Tokens[i + x].Value.ToUpper() != "FROM")
			)
			{
                if (_subQueryIndexes.ContainsKey(i + x)){
					x += _subQueryIndexes[i + x];
                    if ((x > _subQueryIndexes[i]) ||
                    (_tokenizer.Tokens[i + x].Value.ToUpper() == "FROM"))
                        break;
                }
				if (((_tokenizer.Tokens[i + x].Type == TokenType.KEY)||
                    (_tokenizer.Tokens[i + x].Type == TokenType.NUMBER)||
                    (_tokenizer.Tokens[i+x].Value.ToUpper()=="NULL")) &&
				    (
				    	(_tokenizer.Tokens[i + x - 1].Value.ToUpper() == "SELECT") ||
				    	(_tokenizer.Tokens[i+x-1].Value.ToUpper()=="DISTINCT") ||
				    	(_tokenizer.Tokens[i + x - 1].Value == ",") ||
				    	(_tokenizer.Tokens[i + x - 1].Value == "(") ||
				    	((_tokenizer.Tokens[i + x + 1].Value.ToUpper() == "AS") && (_tokenizer.Tokens[i + x + 1].Type == TokenType.KEYWORD)) ||
                        (_tokenizer.Tokens[i+x+1].Value.ToUpper()=="IS" && _tokenizer.Tokens[i+x+2].Value.ToUpper()=="NULL" && (
                            _tokenizer.Tokens[i+x-1].Value.ToUpper()=="AND"||
                            _tokenizer.Tokens[i + x - 1].Value.ToUpper() == "OR"
                        ))||
				    	(_tokenizer.Tokens[i + x + 1].Type == TokenType.OPERATOR) ||
				    	(_tokenizer.Tokens[i + x - 1].Type == TokenType.OPERATOR) ||
				    	(_tokenizer.Tokens[i + x - 1].Value.ToUpper() == "WHEN") ||
				    	(_tokenizer.Tokens[i + x - 1].Value.ToUpper() == "THEN") ||
				    	(_tokenizer.Tokens[i + x - 1].Value.ToUpper() == "ELSE")
				    ))
				{
					fieldIndexes.Add(i + x);
					if ((_tokenizer.Tokens[i + x + 1].Value.ToUpper() == "AS") && (_tokenizer.Tokens[i + x + 1].Type == TokenType.KEYWORD))
					{
						fieldAliases.Add(i + x, _tokenizer.Tokens[i + x + 2].Value);
					}
				}
				x++;
			}
			if (_tokenizer.Tokens[i + x].Value.ToUpper() == "FROM")
			{
                fromIndex = i + x;
                while (x < _subQueryIndexes[i])
                {
                    if (_subQueryIndexes.ContainsKey(i + x))
                        x += _subQueryIndexes[i + x];
                    if (((_tokenizer.Tokens[i + x - 1].Value.ToUpper() == "FROM") || (_tokenizer.Tokens[i + x - 1].Value == ",") || _tokenizer.Tokens[i + x - 1].Value.ToUpper() == "JOIN") && (_tokenizer.Tokens[i + x].Value != "("))
                    {
                        if (i + x + 1 < _tokenizer.Tokens.Count)
                        {
                            if ((_tokenizer.Tokens[i + x + 1].Value.ToUpper() != ",") && (_tokenizer.Tokens[i + x + 1].Value != "(") && (_tokenizer.Tokens[i + x + 1].Value.ToUpper() != "WHERE") && (_tokenizer.Tokens[i + x + 1].Value.ToUpper() != "GROUP") && (_tokenizer.Tokens[i + x + 1].Value.ToUpper() != "ORDER"))
                            {
                                if (_tokenizer.Tokens[i + x + 1].Value.ToUpper() == "AS")
                                {
                                    if (!tableAliases.ContainsKey(_tokenizer.Tokens[i + x + 2].Value))
                                        tableAliases.Add(_tokenizer.Tokens[i + x + 2].Value, _tokenizer.Tokens[i + x].Value);
                                }
                                else
                                {
                                    if (!tableAliases.ContainsKey(_tokenizer.Tokens[i + x + 1].Value))
                                        tableAliases.Add(_tokenizer.Tokens[i + x + 1].Value, _tokenizer.Tokens[i + x].Value);
                                }
                            }
                        }
                        tableDeclarations.Add(i + x);
                    }
                    else if (_tokenizer.Tokens[i + x - 1].Value.ToUpper() == "ON")
                    {
                        while (x < _subQueryIndexes[i])
                        {
                            if (_subQueryIndexes.ContainsKey(i + x))
                                x += _subQueryIndexes[i + x];
                            if (_tokenizer.Tokens[i + x].Value.ToUpper() == "WHERE" || _tokenizer.Tokens[i + x].Value.ToUpper() == "UNION" || _tokenizer.Tokens[i + x].Value.ToUpper() == "ORDER" || _tokenizer.Tokens[i + x].Value.ToUpper() == "GROUP" || _tokenizer.Tokens[i + x].Value == "," || _tokenizer.Tokens[i + x].Value.ToUpper() == "INNER" || _tokenizer.Tokens[i + x].Value.ToUpper() == "OUTER" || _tokenizer.Tokens[i + x].Value.ToUpper() == "LEFT" || _tokenizer.Tokens[i + x].Value.ToUpper() == "RIGHT")
                                break;
                            else if (x + i + 1 == _tokenizer.Tokens.Count)
                            {
                                if (_tokenizer.Tokens[i + x - 1].Type == TokenType.OPERATOR)
                                    joinConditionIndexes.Add(i + x);
                                break;
                            }
                            else if ((_tokenizer.Tokens[i + x].Type == TokenType.KEY) &&
                                (
                                    (_tokenizer.Tokens[i + x - 1].Value.ToUpper() == "ON") ||
                                    (_tokenizer.Tokens[i + x - 1].Value == ",") ||
                                    (_tokenizer.Tokens[i + x - 1].Value == "(") ||
                                    (_tokenizer.Tokens[i + x + 1].Type == TokenType.OPERATOR) ||
                                    (_tokenizer.Tokens[i + x - 1].Type == TokenType.OPERATOR) ||
                                    (_tokenizer.Tokens[i + x - 1].Value.ToUpper() == "WHEN") ||
                                    (_tokenizer.Tokens[i + x - 1].Value.ToUpper() == "THEN") ||
                                    (_tokenizer.Tokens[i + x - 1].Value.ToUpper() == "ELSE") ||
                                    (_tokenizer.Tokens[i + x - 1].Value.ToUpper() == "AND") ||
                                    (_tokenizer.Tokens[i + x - 1].Value.ToUpper() == "OR")
                                ))
                            {
                                joinConditionIndexes.Add(i + x);
                            }
                            x++;
                        }
                        x--;
                    }
                    else if (x >= _subQueryIndexes[i])
                        break;
                    else if (_tokenizer.Tokens[i + x].Value.ToUpper() == "WHERE" || _tokenizer.Tokens[i + x].Value.ToUpper() == "ORDER" || _tokenizer.Tokens[i + x].Value.ToUpper() == "GROUP" || _tokenizer.Tokens[i + x].Value.ToUpper() == "UNION")
                        break;
                    x++;
                }
			}
            if (x < _subQueryIndexes[i] && (_tokenizer.Tokens[i + x].Value.ToUpper() == "WHERE" || _tokenizer.Tokens[i + x].Value.ToUpper() == "ORDER" || _tokenizer.Tokens[i + x].Value.ToUpper() == "GROUP"))
			{
				whereIndex=x+i;
				while (x < _subQueryIndexes[i])
				{
                    if (_subQueryIndexes.ContainsKey(i + x))
                        x += _subQueryIndexes[i + x] + 2;
                    if ((_tokenizer.Tokens[i + x].Value.ToUpper() == "GROUP") ||
                        (_tokenizer.Tokens[i + x].Value.ToUpper() == "ORDER"))
                        break;
                    if ((_tokenizer.Tokens[i + x - 1].Value.ToUpper() == "WHERE")
                        || (_tokenizer.Tokens[i + x - 1].Value == "(")
                        || (_tokenizer.Tokens[i + x - 1].Value.ToUpper() == "OR")
                        || (_tokenizer.Tokens[i + x - 1].Value.ToUpper() == "AND")
                        || ((_tokenizer.Tokens[i+x-1].Value.ToUpper()=="NOT")
                            &&(
                                (_tokenizer.Tokens[i + x - 2].Value.ToUpper() == "WHERE")
                                || (_tokenizer.Tokens[i + x - 2].Value.ToUpper() == "OR")
                                || (_tokenizer.Tokens[i + x - 2].Value.ToUpper() == "AND")        
                            )
                        )
					   ){
                           if ((_tokenizer.Tokens[i + x].Value != "(") && (_tokenizer.Tokens[i+x].Value.ToUpper()!="NOT"))
                           {
                               int start = i + x;
                               x++;
                               while (x < _subQueryIndexes[i])
                               {
                                   if (_subQueryIndexes.ContainsKey(i + x + 1))
                                       x += _subQueryIndexes[i + x + 1];
                                   if ((_tokenizer.Tokens[i + x].Value.ToUpper() == "OR")
                                       || (_tokenizer.Tokens[i + x].Value.ToUpper() == "AND")
                                       || (_tokenizer.Tokens[i + x].Value.ToUpper() == "GROUP")
                                       || (_tokenizer.Tokens[i + x].Value.ToUpper() == "ORDER"))
                                   {
                                       break;
                                   }
                                   x++;
                               }
                               conditionIndexes.Add(start, i + x);
                           }
					}
                    if ((x < _subQueryIndexes[i])&&
                        (
                            (_tokenizer.Tokens[i + x].Value.ToUpper() == "GROUP") ||
                            (_tokenizer.Tokens[i + x].Value.ToUpper() == "ORDER")
                        ))
                        break;
					x++;
				}
			}

            int endIndex = i + _subQueryIndexes[i];
            foreach (int subIndex in Utility.SortDictionaryKeys(_subQueryIndexes.Keys))
            {
                if (subIndex > i && subIndex <= endIndex)
                {                    
                    if (!translations.ContainsKey(subIndex))
                    {
                        if (parentTableAliases.Count != 0)
                        {
                            Dictionary<string, string> newList = new Dictionary<string, string>();
                            foreach (string str in parentTableAliases.Keys)
                                newList.Add(str, parentTableAliases[str]);
                            foreach (string str in tableAliases.Keys)
                            {
                                if (newList.ContainsKey(str))
                                    newList.Remove(str);
                                newList.Add(str, tableAliases[str]);
                            }
                            string subquery = TranslateSubQuery(subIndex, newList, ref parameters, ref translations);
                            if (!translations.ContainsKey(subIndex))
                                translations.Add(subIndex, subquery);
                        }
                        else
                        {
                            string subquery = TranslateSubQuery(subIndex, tableAliases, ref parameters, ref translations);
                            if (!translations.ContainsKey(subIndex))
                                translations.Add(subIndex, subquery);
                        }
                    }
                }
            }
            List<int> whereFieldIndexes = new List<int>();
            foreach (int index in Utility.SortDictionaryKeys(conditionIndexes.Keys))
            {
                whereFieldIndexes.AddRange(ExtractFieldsFromCondition(index, conditionIndexes[index]));
            }
			Dictionary<string, List<string>> fieldList = new Dictionary<string, List<string>>();
			string tables = CreateTableQuery(i,fromIndex,tableDeclarations, fieldIndexes,ref fieldList,whereFieldIndexes,joinConditionIndexes,tableAliases,parentTableAliases);
			string fields = TranslateFields(i,fieldIndexes, tableDeclarations, fieldAliases, tableAliases,fieldList,parentTableAliases);
			string wheres = TranslateWhereConditions(whereIndex,conditionIndexes,tableAliases,tableDeclarations,fieldList,parentTableAliases);
            if ((whereFieldIndexes.Count == 0) && (whereIndex > 0) && (whereIndex < _subQueryIndexes[i]))
            {
                wheres = " ";
                while (x < _subQueryIndexes[i])
                {
                    wheres += _tokenizer.Tokens[x + i].Value + " ";
                    x++;
                }
            }
            else if (x < _subQueryIndexes[i])
            {
                if (wheres == "")
                    wheres = " ";
                while (x < _subQueryIndexes[i])
                {
                    wheres += _tokenizer.Tokens[x + i].Value + " ";
                    x++;
                }
            }
            string ending = "";
            if (wheres.ToUpper().Contains(" GROUP BY ") || wheres.ToUpper().Contains(" ORDER BY "))
            {
                int endingStart = wheres.ToUpper().IndexOf(" GROUP BY ");
                if ((endingStart==-1)||(wheres.ToUpper().IndexOf(" ORDER BY ")>endingStart))
                    endingStart = wheres.ToUpper().IndexOf(" ORDER BY ");
                ending = wheres.Substring(endingStart);
                wheres = wheres.Substring(0, endingStart);
                QueryTokenizer qt = new QueryTokenizer(ending.Trim());
                qt.parse();
                if (qt.Tokens.Count > 0)
                    wheres += " " + qt.Tokens[0].Value+" ";
                for (int y = 1; y < qt.Tokens.Count; y++)
                {
                    if (qt.Tokens[y].Value.ToUpper() == "ASC" ||
                            qt.Tokens[y].Value.ToUpper() == "DESC" ||
                            qt.Tokens[y].Value.ToUpper() == "ASCENDING" ||
                            qt.Tokens[y].Value.ToUpper() == "DESCENDING"){
                                wheres += qt.Tokens[y].Value + " ";
                    }else if (
                        (qt.Tokens[y - 1].Value == ",") ||
                        (qt.Tokens[y - 1].Value == "(") ||
                        (qt.Tokens[y - 1].Value.ToUpper() == "BY") ||
                        ((y+1<qt.Tokens.Count)&&(qt.Tokens[y + 1].Type == TokenType.OPERATOR)) ||
                        (qt.Tokens[y - 1].Type == TokenType.OPERATOR) ||
                        (qt.Tokens[y - 1].Value.ToUpper() == "WHEN") ||
                        (qt.Tokens[y - 1].Value.ToUpper() == "THEN") ||
                        (qt.Tokens[y - 1].Value.ToUpper() == "ELSE")
                        )
                    {
                        wheres+=TranslateGroupOrderByFieldName(y, tableDeclarations, fieldAliases, tableAliases, fieldList, qt)+" ";
                    }
                    else
                        wheres += qt.Tokens[y].Value+ " ";
                }
            }
			return fields+" FROM " + tables+wheres;
		}