public int QueryCount(int queryId)
{
var doQuery = new DoQueryCount.Builder(Application.Client.Ticket, Application.Token, Application.Client.AccountDomain, TableId)
.SetQid(queryId)
.Build();
var xml = doQuery.Post().CreateNavigator();
return int.Parse(xml.SelectSingleNode("/qdbapi/numMatches").Value);
}
private void _doQuery(DoQuery qry)
{
Records.Clear();
try
{
XPathNavigator xml = qry.Post().CreateNavigator();
LoadColumns(xml); //Must be done each time, incase the schema changes due to another user, or from a previous query that has a differing subset of columns
LoadRecords(xml);
}
catch (ViewTooLargeException)
{
//split into smaller queries automagically
List<string> optionsList = new List<string>();
string query = qry.Query;
string collist = qry.Collist;
int maxCount = 0;
int baseSkip = 0;
if (!string.IsNullOrEmpty(qry.Options))
{
string[] optArry = qry.Options.Split('.');
foreach (string opt in optArry)
{
if (opt.StartsWith("num-"))
{
maxCount = int.Parse(opt.Substring(4));
}
else if (opt.StartsWith("skp-"))
{
baseSkip = int.Parse(opt.Substring(4));
}
else
{
optionsList.Add(opt);
}
}
}
if (maxCount == 0)
{
DoQueryCount dqryCnt;
if (string.IsNullOrEmpty(query))
dqryCnt = new DoQueryCount.Builder(Application.Client.Ticket, Application.Token, Application.Client.AccountDomain, TableId)
.Build();
else
dqryCnt = new DoQueryCount.Builder(Application.Client.Ticket, Application.Token, Application.Client.AccountDomain, TableId)
.SetQuery(query)
.Build();
var cntXml = dqryCnt.Post().CreateNavigator();
maxCount = int.Parse(cntXml.SelectSingleNode("/qdbapi/numMatches").Value);
}
int stride = maxCount/2;
int fetched = 0;
while (fetched < maxCount)
{
List<string> optLst = new List<string>();
optLst.AddRange(optionsList);
optLst.Add("skp-" + (fetched + baseSkip));
optLst.Add("num-" + stride);
string options = string.Join(".",optLst);
DoQuery dqry;
if (string.IsNullOrEmpty(query))
dqry = new DoQuery.Builder(Application.Client.Ticket, Application.Token, Application.Client.AccountDomain, TableId)
.SetCList(collist)
.SetOptions(options)
.SetFmt(true)
.Build();
else
dqry = new DoQuery.Builder(Application.Client.Ticket, Application.Token, Application.Client.AccountDomain, TableId)
.SetQuery(query)
.SetCList(collist)
.SetOptions(options)
.SetFmt(true)
.Build();
try
{
XPathNavigator xml = dqry.Post().CreateNavigator();
if (fetched == 0) LoadColumns(xml);
LoadRecords(xml);
fetched += stride;
}
catch (ViewTooLargeException)
{
stride = stride/2;
}
}
}
}