public RemoteQueryResults Query(LinearQuery query)
{
var viewGenerator = queryCache.GetOrAdd(query.Query,
s =>
new DynamicViewCompiler("query", new IndexDefinition { Map = query.Query, },
new AbstractDynamicCompilationExtension[0])
{
RequiresSelectNewAnonymousType = false
}.GenerateInstance());
var results = new List<string>();
var errors = new List<string>();
int lastResult = 0;
int finalResult = 0;
remoteStorage.Batch(actions =>
{
var firstAndLastDocumentIds = actions.Documents.FirstAndLastDocumentIds();
finalResult = firstAndLastDocumentIds.Item2;
var start = Math.Max(firstAndLastDocumentIds.Item1, query.Start);
var matchingDocs = actions.Documents.DocumentsById(start, firstAndLastDocumentIds.Item2);
if (string.IsNullOrEmpty(viewGenerator.ForEntityName) == false) //optimization
{
matchingDocs =
matchingDocs.Where(x => x.Item1.Metadata.Value<string>("Raven-Entity-Name") == viewGenerator.ForEntityName);
}
var docs = matchingDocs
.Select(x =>
{
lastResult = x.Item2;
return new DynamicJsonObject(x.Item1.ToJson());
});
var robustEnumerator = new RobustEnumerator
{
OnError =
(exception, o) =>
errors.Add(String.Format("Doc '{0}', Error: {1}", Index.TryGetDocKey(o),
exception.Message))
};
results.AddRange(
robustEnumerator.RobustEnumeration(docs, viewGenerator.MapDefinition)
.Take(query.PageSize)
.Select(result => JsonExtensions.ToJObject(result).ToString())
);
});
return new RemoteQueryResults
{
LastScannedResult = lastResult,
TotalResults = finalResult,
Errors = errors.ToArray(),
QueryCacheSize = queryCache.Count,
Results = results.ToArray()
};
}
public QueryResults ExecuteQueryUsingLinearSearch(LinearQuery query)
{
if (queriesAppDomain == null)
{
lock (this)
{
if (queriesAppDomain == null)
InitailizeQueriesAppDomain();
}
}
query.PageSize = Math.Min(query.PageSize, database.Configuration.MaxPageSize);
RemoteQueryResults result;
using (var remoteSingleQueryRunner = queryRunnerManager.CreateSingleQueryRunner(
database.TransactionalStorage.TypeForRunningQueriesInRemoteAppDomain,
database.TransactionalStorage.StateForRunningQueriesInRemoteAppDomain))
{
result = remoteSingleQueryRunner.Query(query);
}
if (result.QueryCacheSize > 1024)
{
lock (this)
{
if (queryRunnerManager.QueryCacheSize > 1024)
UnloadQueriesAppDomain();
}
}
return new QueryResults
{
LastScannedResult = result.LastScannedResult,
TotalResults = result.TotalResults,
Errors = result.Errors,
Results = result.Results.Select(JObject.Parse).ToArray()
};
}
public static QueryResults ExecuteQueryUsingLinearSearch(this DocumentDatabase self,LinearQuery query)
{
var linearQueryRunner = (LinearQueryRunner)self.ExtensionsState.GetOrAdd(typeof(LinearQueryExtensions), o => new LinearQueryRunner(self));
return linearQueryRunner.ExecuteQueryUsingLinearSearch(query);
}
public QueryResults ExecuteQueryUsingLinearSearch(LinearQuery query)
{
if(queriesAppDomain == null)
{
lock(this)
{
if (queriesAppDomain == null)
InitailizeQueriesAppDomain();
}
}
query.PageSize = Math.Min(query.PageSize, Configuration.MaxPageSize);
var result = queryRunner.Query(query);
if(result.QueryCacheSize > 1024)
{
lock(this)
{
if(queryRunner.QueryCacheSize > 1024)
UnloadQueriesAppDomain();
}
}
return new QueryResults
{
LastScannedResult = result.LastScannedResult,
TotalResults = result.TotalResults,
Errors = result.Errors,
Results = result.Results.Select(JObject.Parse).ToArray()
};
}
