public bool Display(Command 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
{
string where = LikeExpr(cmd.wildcard, cmd.Columns);
if (locator != null)
where = string.Format("({0}) AND ({1})", locator.Path, where);
builder = new SqlBuilder().SELECT.COLUMNS(columns).FROM(tname).WHERE(where);
}
return Display(cmd, builder, tname, cmd.top);
}
public void set(Command cmd)
{
if (cmd.HasHelp)
{
stdio.WriteLine("set assignment : update value by current table or locator");
stdio.WriteLine("set col1=val1, col2= val2 : update column by current table or locator");
stdio.WriteLine("set col[n1]=val1, col[n2]=val2 : update by row-id, n1,n2 is row-id");
stdio.WriteLine(" --use command type /r to display row-id");
return;
}
if (string.IsNullOrEmpty(cmd.args))
{
stdio.ErrorFormat("argument cannot be empty");
return;
}
var pt = mgr.current;
if (!(pt.Item is Locator) && !(pt.Item is TableName))
{
stdio.ErrorFormat("table is not selected");
return;
}
Locator locator = mgr.GetCombinedLocator(pt);
TableName tname = mgr.GetCurrentPath<TableName>();
SqlBuilder builder = new SqlBuilder().UPDATE(tname).SET(cmd.args);
if (locator != null)
{
builder.WHERE(locator);
}
else if (mgr.Tout != null && mgr.Tout.TableName == tname && mgr.Tout.HasPhysloc)
{
try
{
var x = ParsePhysLocStatement(mgr.Tout.Table, cmd.args);
if (x != null)
builder = x;
}
catch (TieException)
{
stdio.ErrorFormat("invalid set assigment");
return;
}
catch (Exception ex2)
{
stdio.ErrorFormat(ex2.Message);
return;
}
}
try
{
int count = builder.SqlCmd.ExecuteNonQuery();
stdio.WriteLine("{0} of row(s) affected", count);
}
catch (Exception ex)
{
stdio.ErrorFormat(ex.Message);
}
}
