protected internal virtual void AppendFrom(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)
{
Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledNameOrSelect entity = o.GetEntity();
if (entity == null)
{
string fns = GetFromNullString();
if (fns != null)
{
sb.Append(" ");
sb.Append(fns);
}
}
else
{
sb.Append(" From ");
if (entity is Net.Vpc.Upa.Expressions.Select)
{
sb.Append(sqlManager.GetSQL(entity, context, declarations));
}
else
{
Net.Vpc.Upa.Persistence.PersistenceStore persistenceStore = context.GetPersistenceStore();
Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledEntityName entityName = (Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledEntityName)entity;
Net.Vpc.Upa.Entity e = context.GetPersistenceUnit().GetEntity(entityName.GetName());
if (entityName.IsUseView() && e.NeedsView() && persistenceStore.IsViewSupported())
{
Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledEntityName v = new Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledEntityName(e.GetName(), true);
sb.Append(sqlManager.GetSQL(v, context, declarations));
}
else
{
sb.Append(sqlManager.GetSQL(entityName, context, declarations));
}
}
}
if (o.GetEntityAlias() != null)
{
Net.Vpc.Upa.Persistence.PersistenceStore store = context.GetPersistenceStore();
sb.Append(" ").Append(sqlManager.GetSQL(new Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledVar(o.GetEntityAlias()), context, declarations));
}
}