public List <int> SearchOne(SearchInfo info, ReadOptions ro, bool partial, bool timeLimited, int timeLimitInMs, out double?searchPercintile, int?steps = null, int?start_step = null)
{
searchPercintile = null;
if (!info.Name.ToLower().EndsWith("search") && !info.Name.ToLower().EndsWith("searchs"))
{
throw new LinqDbException("Linqdb: only string properties named ...Search (or ...SearchS) are indexed and can be searched.");
}
int totalSteps = GetLastStep(info.TableInfo.Name);
if (!timeLimited)
{
return(MakeSearch(info.SearchQuery, info.TableInfo, info.Name, ro, partial, steps, start_step));
}
else
{
var sw = new Stopwatch();
sw.Start();
int oneSearchSteps = 50;
var res = new List <int>();
int stepCount = 0;
for (; sw.ElapsedMilliseconds < timeLimitInMs && stepCount <= totalSteps; stepCount += oneSearchSteps)
{
res.AddRange(MakeSearch(info.SearchQuery, info.TableInfo, info.Name, ro, partial, oneSearchSteps, stepCount));
}
if (stepCount > totalSteps)
{
searchPercintile = 100;
}
else
{
searchPercintile = (double)(stepCount * 100) / (double)totalSteps;
}
return(res);
}
}
public IDbQueryable <T> Search <T, TKey>(IDbQueryable <T> source, Expression <Func <T, TKey> > keySelector, string search_query, bool partial, bool timeLimited, int timeLimitInMs, int?start_step, int?steps)
{
if (start_step != null && steps == null || start_step == null && steps != null)
{
throw new LinqDbException("Linqdb: start_step and steps parameters must be used together.");
}
CheckTableInfo <T>();
if (string.IsNullOrEmpty(search_query))
{
return(source);
}
if (source.LDBTree == null)
{
source.LDBTree = new QueryTree();
}
var tree = source.LDBTree;
if (tree.SearchInfo == null)
{
tree.SearchInfo = new List <SearchInfo>();
}
var info = new SearchInfo();
tree.SearchInfo.Add(info);
info.SearchQuery = search_query;
info.Partial = partial;
info.TimeLimited = timeLimited;
info.SearchTimeInMs = timeLimitInMs;
info.Start_step = start_step;
info.Steps = steps;
var par = keySelector.Parameters.First();
var name = SharedUtils.GetPropertyName(keySelector.Body.ToString());
var table_info = GetTableInfo(typeof(T).Name);
info.TableInfo = table_info;
info.Name = name;
source.LDBTree.Prev = info;
source.LDBTree.Prev.Id = source.LDBTree.Counter + 1;
source.LDBTree.Counter++;
return(source);
}
