예제 #1
0
 public virtual Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledSelect Join(Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledJoinCriteria someJoin)
 {
     joinsTables.Add(someJoin);
     PrepareChildren(someJoin);
     ExportDeclaration(someJoin.GetEntity(), someJoin.GetEntityAlias());
     return(this);
 }
예제 #2
0
        protected internal virtual void AppendJoins(Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledSelect o, System.Text.StringBuilder sb, Net.Vpc.Upa.Persistence.EntityExecutionContext context, Net.Vpc.Upa.Impl.Persistence.SQLManager sqlManager, Net.Vpc.Upa.Impl.Uql.ExpressionDeclarationList declarations)
        {
            for (int i = 0; i < o.CountJoins(); i++)
            {
                Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledJoinCriteria e = o.GetJoin(i);
                //            String _valueString = sqlManager.getSQL(e.getEntity(), context, declarations);
                string _aliasString = e.GetEntityAlias();
                string _joinKey     = "Inner Join";
                switch (e.GetJoinType())
                {
                case Net.Vpc.Upa.Expressions.JoinType.INNER_JOIN:
                    _joinKey = "Inner Join";
                    break;

                case Net.Vpc.Upa.Expressions.JoinType.FULL_JOIN:
                    _joinKey = "Full Join";
                    break;

                case Net.Vpc.Upa.Expressions.JoinType.LEFT_JOIN:
                    _joinKey = "Left Join";
                    break;

                case Net.Vpc.Upa.Expressions.JoinType.RIGHT_JOIN:
                    _joinKey = "Right Join";
                    break;

                case Net.Vpc.Upa.Expressions.JoinType.CROSS_JOIN:
                    _joinKey = "Cross Join";
                    break;
                }
                sb.Append(" ").Append(_joinKey).Append(" ").Append(sqlManager.GetSQL(e.GetEntity(), context, declarations));
                if (_aliasString != null)
                {
                    Net.Vpc.Upa.Persistence.PersistenceStore store = context.GetPersistenceStore();
                    //                String goodAlias = store.getPersistenceName(, PersistenceNameType.ALIAS);
                    sb.Append(" ").Append(sqlManager.GetSQL(new Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledVar(_aliasString), context, declarations));
                }
                if (e.GetCondition() != null && e.GetCondition().IsValid())
                {
                    sb.Append(" On ").Append(sqlManager.GetSQL(e.GetCondition(), context, declarations));
                }
            }
        }
예제 #3
0
 public virtual Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledSelect AddQuery(Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledSelect other)
 {
     if (other == null)
     {
         return(this);
     }
     if (other.queryEntity != null)
     {
         From((Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledNameOrSelect)(other.queryEntity.Copy()), other.queryEntityAlias);
     }
     for (int i = 0; i < (other.joinsTables).Count; i++)
     {
         Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledJoinCriteria      j  = other.GetJoin(i);
         Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledNameOrSelect      ee = j.GetEntity();
         Net.Vpc.Upa.Impl.Uql.Compiledexpression.DefaultCompiledExpression cc = j.GetCondition();
         Join(j.GetJoinType(), ee == null ? null : (Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledNameOrSelect)ee.Copy(), j.GetEntityAlias(), cc == null ? null : cc.Copy());
     }
     foreach (Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledQueryField field in other.fields)
     {
         Net.Vpc.Upa.Impl.Uql.Compiledexpression.DefaultCompiledExpression ee = field.GetExpression();
         AddField(ee == null ? null : ee.Copy(), field.GetAlias());
     }
     foreach (Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledOrderItem compiledOrderItem in other.order.GetItems())
     {
         Net.Vpc.Upa.Impl.Uql.Compiledexpression.DefaultCompiledExpression ee = compiledOrderItem.GetExpression();
         OrderBy(ee == null ? null : ee.Copy(), compiledOrderItem.IsAsc());
     }
     foreach (Net.Vpc.Upa.Impl.Uql.Compiledexpression.DefaultCompiledExpression e in other.groupByExpressions)
     {
         GroupBy(e == null ? null : e.Copy());
     }
     AddWhere(other.where == null ? null : other.where.Copy());
     AddHaving(other.having == null ? null : other.having.Copy());
     Invalidate();
     return(this);
 }
예제 #4
0
        public override string ToString()
        {
            System.Text.StringBuilder sb = new System.Text.StringBuilder("Select ");
            if (top > 0)
            {
                sb.Append(" TOP ").Append(top);
            }
            if (distinct)
            {
                sb.Append(" DISTINCT");
            }
            sb.Append(" ");
            string aliasString = null;
            string valueString = null;
            bool   started     = false;

            if (CountFields() == 0)
            {
                sb.Append("...");
            }
            else
            {
                for (int i = 0; i < CountFields(); i++)
                {
                    Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledQueryField        fi = GetField(i);
                    Net.Vpc.Upa.Impl.Uql.Compiledexpression.DefaultCompiledExpression e  = fi.GetExpression();
                    valueString = System.Convert.ToString(e);
                    if (!(e is Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledVar) && !(e is Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledParam) && !(e is Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledFunction) && !(e is Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledLiteral))
                    {
                        valueString = "(" + valueString + ")";
                    }
                    aliasString = fi.GetAlias();
                    if (started)
                    {
                        sb.Append(",");
                    }
                    else
                    {
                        started = true;
                    }
                    if (aliasString == null)
                    {
                        sb.Append(valueString);
                    }
                    else
                    {
                        sb.Append(valueString);
                        sb.Append(" ");
                        sb.Append(aliasString);
                    }
                }
            }
            if (GetEntity() == null)
            {
            }
            else
            {
                sb.Append(" From ");
                if (GetEntity() is Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledSelect)
                {
                    sb.Append(GetEntity().ToString());
                }
                else
                {
                    Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledEntityName entityName = (Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledEntityName)GetEntity();
                    sb.Append(entityName);
                }
            }
            if (GetEntityAlias() != null)
            {
                sb.Append(" ").Append(GetEntityAlias());
            }
            for (int i = 0; i < CountJoins(); i++)
            {
                Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledJoinCriteria e = GetJoin(i);
                sb.Append(" ").Append(e);
            }
            Net.Vpc.Upa.Impl.Uql.Compiledexpression.DefaultCompiledExpression c = GetWhere();
            if (c != null && c.IsValid())
            {
                sb.Append(" Where ").Append(c);
            }
            if (CountGroupByItems() > 0)
            {
                sb.Append(" ");
                int maxGroups = CountGroupByItems();
                sb.Append("Group By ");
                for (int i = 0; i < maxGroups; i++)
                {
                    if (i > 0)
                    {
                        sb.Append(", ");
                    }
                    sb.Append(GetGroupBy(i));
                }
            }
            int maxOrders = CountOrderByItems();

            if (maxOrders > 0)
            {
                sb.Append(" ");
                sb.Append("Order By ");
                for (int i = 0; i < maxOrders; i++)
                {
                    if (i > 0)
                    {
                        sb.Append(", ");
                    }
                    sb.Append(GetOrderBy(i));
                    if (IsOrderAscending(i))
                    {
                        sb.Append(" Asc ");
                    }
                    else
                    {
                        sb.Append(" Desc ");
                    }
                }
            }
            return(sb.ToString());
        }
예제 #5
0
        protected internal virtual Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledSelect CompileSelect(Net.Vpc.Upa.Expressions.Select v, Net.Vpc.Upa.Impl.Uql.ExpressionTranslationManager manager, Net.Vpc.Upa.Impl.Uql.ExpressionDeclarationList declarations)
        {
            if (v == null)
            {
                return(null);
            }
            Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledSelect s = new Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledSelect();
            s.SetDistinct(v.IsDistinct());
            s.SetTop(v.GetTop());
            Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledNameOrSelect nameOrSelect = (Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledNameOrSelect)manager.TranslateAny(v.GetEntity(), declarations);
            string entityAlias = v.GetEntityAlias();

            System.Collections.Generic.HashSet <string> aliases = new System.Collections.Generic.HashSet <string>();
            if (entityAlias == null)
            {
                if (nameOrSelect is Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledEntityName)
                {
                    entityAlias = ((Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledEntityName)nameOrSelect).GetName();
                }
                else
                {
                    entityAlias = "ALIAS";
                }
                int i = 0;
                while (true)
                {
                    string a2 = i == 0 ? entityAlias : (entityAlias + i);
                    if (!aliases.Contains(a2))
                    {
                        aliases.Add(a2);
                        entityAlias = a2;
                        break;
                    }
                    i++;
                }
            }
            s.From(nameOrSelect, entityAlias);
            for (int i = 0; i < v.CountJoins(); i++)
            {
                Net.Vpc.Upa.Expressions.JoinCriteria c = v.GetJoin(i);
                Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledNameOrSelect jnameOrSelect = (Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledNameOrSelect)manager.TranslateAny(c.GetEntity(), declarations);
                entityAlias = c.GetEntityAlias();
                if (entityAlias == null)
                {
                    if (nameOrSelect is Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledEntityName)
                    {
                        entityAlias = ((Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledEntityName)nameOrSelect).GetName();
                    }
                    else
                    {
                        entityAlias = "ALIAS";
                    }
                    i = 0;
                    while (true)
                    {
                        string a2 = i == 0 ? entityAlias : (entityAlias + i);
                        if (!aliases.Contains(a2))
                        {
                            aliases.Add(a2);
                            entityAlias = a2;
                            break;
                        }
                        i++;
                    }
                }
                Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledJoinCriteria cc = new Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledJoinCriteria(c.GetJoinType(), jnameOrSelect, entityAlias, manager.TranslateAny(c.GetCondition(), declarations));
                s.Join(cc);
            }
            for (int i = 0; i < v.CountFields(); i++)
            {
                Net.Vpc.Upa.Expressions.QueryField field = v.GetField(i);
                s.Field(manager.TranslateAny(field.GetExpression(), declarations), field.GetAlias());
            }
            s.Where(manager.TranslateAny(v.GetWhere(), declarations));
            s.Having(manager.TranslateAny(v.GetHaving(), declarations));
            for (int i = 0; i < v.CountGroupByItems(); i++)
            {
                Net.Vpc.Upa.Expressions.Expression c = v.GetGroupBy(i);
                s.GroupBy(manager.TranslateAny(c, declarations));
            }
            for (int i = 0; i < v.CountOrderByItems(); i++)
            {
                Net.Vpc.Upa.Expressions.Expression c = v.GetOrderBy(i);
                s.OrderBy(manager.TranslateAny(c, declarations), v.IsOrderAscending(i));
            }
            return(s);
        }