internal QueryBuilder(IWrapper <TWrapper> command, Func <object> commandResultAccessor, RowGroup rowGroup)
{
Check.IsNotNull(command, nameof(command));
Check.IsNotNull(commandResultAccessor, nameof(commandResultAccessor));
Check.IsNotNull(rowGroup, nameof(rowGroup));
this.command = command;
this.commandResultAccessor = commandResultAccessor;
this.rowGroup = rowGroup;
}
public QueryBuilder <TWrapper> Query <TWrapper>(Func <TDb, IWrapper <TWrapper> > commandFactory)
where TWrapper : PostgresQueryCommand, IWrapper <SelectClause>
{
Check.IsNotNull(commandFactory, nameof(commandFactory));
var command = commandFactory(db);
commands.Add(command);
var index = commands.Count - 1;
var queryResult = new RowGroup(index.ToString(), Enumerable.Empty <string>(), true);
queryResults.Add(x => queryResult.Apply(x));
return(new QueryBuilder <TWrapper>(command, () => result?[index], queryResult));
}
public void AddChild(RowGroup rowGroup)
{
children.Add(rowGroup);
}