public virtual int IndexOf(Net.Vpc.Upa.Expressions.Expression field) { for (int i = 0; i < (fields).Count; i++) { Net.Vpc.Upa.Expressions.QueryField info = fields[i]; if (field.Equals(info.GetExpression())) { return(i); } } return(-1); }
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.Expressions.QueryField fi = GetField(i); Net.Vpc.Upa.Expressions.Expression e = fi.GetExpression(); valueString = System.Convert.ToString(e); aliasString = fi.GetAlias(); if (started) { sb.Append(","); } else { started = true; } if (aliasString == null) { sb.Append(valueString); } else { sb.Append(valueString); sb.Append(" "); sb.Append(Net.Vpc.Upa.Expressions.ExpressionHelper.EscapeIdentifier(aliasString)); } } } if (GetEntity() == null) { } else { sb.Append(" From "); if (GetEntity() is Net.Vpc.Upa.Expressions.Select) { sb.Append(GetEntity().ToString()); } else { Net.Vpc.Upa.Expressions.EntityName entityName = (Net.Vpc.Upa.Expressions.EntityName)GetEntity(); sb.Append(entityName); } } if (GetEntityAlias() != null) { sb.Append(" ").Append(Net.Vpc.Upa.Expressions.ExpressionHelper.EscapeIdentifier(GetEntityAlias())); } for (int i = 0; i < CountJoins(); i++) { Net.Vpc.Upa.Expressions.JoinCriteria e = GetJoin(i); sb.Append(" ").Append(e); } Net.Vpc.Upa.Expressions.Expression 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()); }
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); }