private static Fn FuncRawIntervalQuery(QueryTemplate qt)
{
return((IList args) =>
{
return (LazyAsync)(async ctx =>
{
var begTime = OPs.FromExcelDate(Convert.ToDouble(args[1]));
var endTime = OPs.FromExcelDate(Convert.ToDouble(args[2]));
var conn = (IDbConn)await ctx.GetValue(qt.connName);
var mq = qt.GetQuery(new object[] { args[0] }
, conn.dbms.TimeToSqlText(begTime)
, conn.dbms.TimeToSqlText(endTime)
);
if (mq == null)
{
return ValuesDictionary.Empties;
}
var cmd = new SqlCommandData()
{
Kind = CommandKind.Query,
ConvertMultiResultsToLists = qt.arrayResults
};
using (mq)
{
cmd.SqlText = mq.QueryText;
var res = await conn.ExecCmd(cmd, ctx.Cancellation);
if (((IList)res).Count == 0)
{
res = ValuesDictionary.Empties;
}
return res;
}
});
});
}
private static Fn FuncTimedSliceQuery(TimeSpan actuality, QueryTemplate qt)
{
return((IList args) =>
{
return (LazyAsync)(async ctx =>
{
var lst = args[0] as IList;
if (lst != null && lst.Count == 0)
{
return lst;
}
bool range = args.Count > 2;
var begTime = OPs.FromExcelDate(Convert.ToDouble(range ? args[2] : args[1]));
var minTime = range ? OPs.FromExcelDate(Convert.ToDouble(args[1])) : begTime - actuality;
var conn = (IDbConn)await ctx.GetValue(qt.connName);
var mq = qt.GetQuery(new object[] { args[0] }, conn.dbms.TimeToSqlText(minTime), conn.dbms.TimeToSqlText(begTime));
if (mq == null)
{
return ValuesDictionary.Empties;
}
var cmd = new SqlCommandData()
{
Kind = CommandKind.Query,
ConvertMultiResultsToLists = qt.arrayResults
};
using (mq)
{
cmd.SqlText = mq.QueryText;
var res = await conn.ExecCmd(cmd, ctx.Cancellation);
if (((IList)res).Count == 0)
{
res = ValuesDictionary.Empties;
}
return res;
}
});
});
}
