public void Visit(LimitStatement statement)
{
var executedTables = _scope.FetchAllExecutedTablesSameLevel();
Array.ForEach(executedTables, (e) =>
{
e.Rows = e.Rows.Take(statement.Count).ToArray();
});
}
public override Element VisitLimitStatementExp(LimitStatementExpContext context)
{
var limit = new LimitStatement(CreateParseInfo(context));
limit.Count = int.Parse(context.c.Text);
if (context.o != null)
{
limit.Offset = int.Parse(context.o.Text);
}
return(limit);
}
protected sealed override void LimitQuery(LimitStatement statement)
{
if (statement != null)
{
QueryArgs.Add(new EqualQueryArg()
{
Variable = "offset", PropertyValue = new PropertyValue(statement.Offset)
});
QueryArgs.Add(new EqualQueryArg()
{
Variable = "howMany", PropertyValue = new PropertyValue(statement.Count)
});
}
}
public sealed override ExecutedTable Execute(LimitStatement statement)
{
LimitQuery(statement);
ValidateArgs();
var args = new HttpExecuteArg()
{
Variables = QueryArgs.Args.Select(x => new HttpQueryVariabels()
{
Variable = x.Variable, Value = x.PropertyValue.Value.ToString()
}),
TableName = TableName
};
return(ExecuteCore(args));
}
public override ExecutedTable Execute(LimitStatement statement)
{
return(this);
}
public abstract ExecutedTable Execute(LimitStatement limit);
protected virtual void LimitQuery(LimitStatement statement)
{
}
