public bool Display(ApplicationCommand cmd, string columns, Locator locator)
{
SqlBuilder builder;
if (cmd.wildcard == null)
{
builder = new SqlBuilder().SELECT().TOP(cmd.Top).COLUMNS(columns).FROM(tname);
if (locator != null)
{
builder.WHERE(locator);
}
}
else
{
Locator where = LikeExpr(cmd.wildcard, cmd.Columns);
if (locator != null)
{
where = locator.And(where);
}
builder = new SqlBuilder().SELECT().COLUMNS(columns).FROM(tname).WHERE(where);
}
return(Display(cmd, builder, tname, cmd.Top));
}
public Locator GetCombinedLocator(TreeNode <IDataPath> pt1)
{
if (pt1.Item is Locator)
{
Locator locator = new Locator((Locator)pt1.Item);
var pt2 = pt1;
while (pt2.Parent.Item is Locator)
{
pt2 = pt2.Parent;
locator.And((Locator)pt2.Item);
}
return(locator);
}
else
{
return(null);
}
}
private bool TypeLocatorData(TreeNode <IDataPath> pt, ApplicationCommand cmd)
{
if (!(pt.Item is Locator))
{
return(false);
}
TableName tname = this.GetCurrentPath <TableName>();
Locator locator = GetCombinedLocator(pt);
var xnode = pt;
while (xnode.Parent.Item is Locator)
{
xnode = xnode.Parent;
locator.And((Locator)xnode.Item);
}
tout = new TableOut(tname);
return(tout.Display(cmd, "*", locator));
}
