Ejemplo n.º 1
0
 internal static string Where(GXDBSettings Settings, LambdaExpression value, bool removebrackets)
 {
     if (value != null)
     {
         string str;
         string post = null;
         if (Settings.UseQuotationWhereColumns)
         {
             str = GXDbHelpers.GetMembers(Settings, value.Body, Settings.ColumnQuotation, true, ref post)[0];
         }
         else
         {
             str = GXDbHelpers.GetMembers(Settings, value.Body, '\'', true, ref post)[0];
         }
         //Remove brackets.
         if (removebrackets && str.Length > 2)
         {
             return(str.Substring(1, str.Length - 2));
         }
         else
         {
             return(str);
         }
     }
     return(null);
 }
Ejemplo n.º 2
0
 /// <summary>
 /// Order values by.
 /// </summary>
 /// <param name="sourceColumn">Columns order by.</param>
 internal static void OrderBy(GXDBSettings settings, LambdaExpression sourceColumn, List <GXOrder> OrderList)
 {
     string[] list = GXDbHelpers.GetMembers(settings, sourceColumn.Body, '\0', false);
     foreach (string it in list)
     {
         GXOrder o = new GXOrder();
         o.Table  = sourceColumn.Parameters[0].Type;
         o.Column = it;
         OrderList.Add(o);
     }
 }
Ejemplo n.º 3
0
 private void UpdateMaps(GXDBSettings settings, GXMapCollection list, List <GXJoin> joins)
 {
     Select.Columns.Maps.Clear();
     foreach (BinaryExpression it in list.List)
     {
         var      e      = (MemberExpression)it.Right;
         string[] target = GXDbHelpers.GetMembers(settings, it.Left, settings.TableQuotation, false, false);
         string[] source = GXDbHelpers.GetMembers(settings, it.Right, settings.TableQuotation, false, false);
         Select.Columns.Maps.Add(source[0], target[0]);
     }
 }
Ejemplo n.º 4
0
        public override string ToString()
        {
            if (Parent.Updated || Updated)
            {
                ColumnList.Clear();
                List <GXJoin> joinList = new List <GXJoin>();
                GXOrderByCollection.UpdateJoins(Parent.Settings, Joins, joinList);
                string[]      list;
                StringBuilder sb = new StringBuilder();
                //Get columns.
                Dictionary <string, GXSerializedItem> properties;
                Dictionary <Type, GXSerializedItem>   neededTables = new Dictionary <Type, GXSerializedItem>();
                foreach (var it in List)
                {
                    //No relations.
                    if (!neededTables.ContainsKey(it.Parameters[0].Type))
                    {
                        neededTables.Add(it.Parameters[0].Type, null);
                    }
                    list = GXDbHelpers.GetMembers(Parent.Settings, it, '\0', false);
                    foreach (var it2 in list)
                    {
                        properties = GXSqlBuilder.GetProperties(it.Parameters[0].Type);
                        if (it2 != "*" && ColumnList.ContainsKey(it.Parameters[0].Type))
                        {
                            GXSerializedItem si = properties[it2];
                            if (si.Relation != null)
                            {
                                //Get properties.
                                GetColumns(si.Relation.ForeignTable, ColumnList, neededTables);
                            }
                            if (si.Relation == null || si.Relation.RelationType != RelationType.ManyToMany)
                            {
                                ColumnList[it.Parameters[0].Type].Add(it2);
                            }
                        }
                        else
                        {
                            if (it2 == "*")
                            {
                                GetColumns(it.Parameters[0].Type, ColumnList, neededTables);
                            }
                            else
                            {
                                if (neededTables.ContainsKey(it.Parameters[0].Type))
                                {
                                    neededTables.Remove(it.Parameters[0].Type);
                                }

                                List <string> columns2 = new List <string>();
                                columns2.Add(it2);
                                ColumnList.Add(it.Parameters[0].Type, columns2);
                                if (properties.ContainsKey(it2))
                                {
                                    GXSerializedItem si = properties[it2];
                                    if (si.Relation != null)
                                    {
                                        //Get properties.
                                        GetColumns(si.Relation.ForeignTable, ColumnList, neededTables);
                                    }
                                }
                            }
                        }
                    }
                }
                foreach (var it in ColumnList)
                {
                    foreach (KeyValuePair <Type, LambdaExpression> x in Excluded)
                    {
                        if (x.Key == it.Key)
                        {
                            string[] removed = GXDbHelpers.GetMembers(null, x.Value, '\0', false);
                            foreach (string col in removed)
                            {
                                it.Value.Remove(col);
                            }
                        }
                    }
                }
                SelectToString(Parent.Settings, sb, Parent.Distinct, ColumnList, joinList, Parent.Index, Parent.Count);
                sql     = sb.ToString();
                Updated = false;
            }
            return(sql);
        }
Ejemplo n.º 5
0
        internal string ToString(ref string post)
        {
            if (Parent.Updated || Updated)
            {
                ColumnList.Clear();
                List <GXJoin> joinList = new List <GXJoin>();
                GXOrderByCollection.UpdateJoins(Parent.Settings, Joins, joinList);
                string[]      list;
                StringBuilder sb = new StringBuilder();
                //Get columns.
                Dictionary <string, GXSerializedItem> properties;
                Dictionary <Type, GXSerializedItem>   neededTables = new Dictionary <Type, GXSerializedItem>();
                foreach (var it in List)
                {
                    //No relations.
                    if (!neededTables.ContainsKey(it.Key.Parameters[0].Type))
                    {
                        neededTables.Add(it.Key.Parameters[0].Type, null);
                    }
                    list = GXDbHelpers.GetMembers(Parent.Settings, it.Key, '\0', false, ref post);
                    foreach (var it2 in list)
                    {
                        properties = GXSqlBuilder.GetProperties(it.Key.Parameters[0].Type);
                        if (it2 != "*" && ColumnList.ContainsKey(it.Key.Parameters[0].Type))
                        {
                            if (properties.ContainsKey(it2))
                            {
                                GXSerializedItem si = properties[it2];
                                if (si.Relation != null)
                                {
                                    //Get properties.
                                    GetColumns(si.Relation.ForeignTable, ColumnList, neededTables);
                                }
                                if (si.Relation == null || si.Relation.RelationType != RelationType.ManyToMany)
                                {
                                    ColumnList[it.Key.Parameters[0].Type].Add(it2);
                                }
                            }
                            else
                            {
                                string str = it2;
                                if (it.Value != null)
                                {
                                    string[] tmp = GXDbHelpers.GetMembers(Parent.Settings, it.Value, '\0', false, ref post);
                                    str += " AS " + tmp[0];
                                }
                                ColumnList[it.Key.Parameters[0].Type].Add(str);
                            }
                        }
                        else
                        {
                            if (it2 == "*")
                            {
                                GetColumns(it.Key.Parameters[0].Type, ColumnList, neededTables);
                            }
                            else
                            {
                                if (neededTables.ContainsKey(it.Key.Parameters[0].Type))
                                {
                                    neededTables.Remove(it.Key.Parameters[0].Type);
                                }

                                List <string> columns2 = new List <string>();
                                columns2.Add(it2);
                                ColumnList.Add(it.Key.Parameters[0].Type, columns2);
                                if (properties.ContainsKey(it2))
                                {
                                    GXSerializedItem si = properties[it2];
                                    if (si.Relation != null)
                                    {
                                        //Get properties.
                                        GetColumns(si.Relation.ForeignTable, ColumnList, neededTables);
                                    }
                                }
                            }
                        }
                    }
                }
                foreach (var it in ColumnList)
                {
                    foreach (KeyValuePair <Type, LambdaExpression> x in Excluded)
                    {
                        if (x.Key == it.Key)
                        {
                            string[] removed = GXDbHelpers.GetMembers(null, x.Value, '\0', false, ref post);
                            foreach (string col in removed)
                            {
                                bool   includeQuery = false;
                                string col2         = GXDbHelpers.AddQuotes(col, Parent.Settings.ColumnQuotation);
                                //Joins are not removed from the qyery or 1:1 doesn't work.
                                foreach (var j in joinList)
                                {
                                    if ((it.Key == j.Table1Type && j.Column1 == col2) ||
                                        (it.Key == j.Table2Type && j.Column2 == col2))
                                    {
                                        includeQuery = true;
                                        break;
                                    }
                                }
                                if (!includeQuery)
                                {
                                    it.Value.Remove(col);
                                }
                            }
                        }
                    }
                }
                SelectToString(Parent.Settings, sb, Parent.Distinct, ColumnList, joinList, Parent.Index, Parent.Count, post);
                sql     = sb.ToString();
                Updated = false;
            }
            return(sql);
        }