I set the definition query on my feature layer to show what I want by year. However sometimes I want to query past years, so i have a function that sets the Definition Query to include all years, then I query the feature layer, then set the definition query back. I notice that in the beginning the SetDefinitionQuery works very fast, but the more times i use this function that SetDefinitionQuery sometimes takes up to 10 seconds or more. What could be happening here? string currentDefinitionQuery = GetLayerDefinitionQuery(layerName);
BasicFeatureLayer searchLayer = FeatureServiceManagement.GetBasicFeaturLayer(layerName);
if (searchLayer == null)
{
return null;
}
searchLayer.SetDefinitionQuery(inDefinitionQuery);
// define a spatial query filter
var queryFilter = new QueryFilter
{
WhereClause = inWhereClause,
SubFields = inSubFields
};
// apply the spatial filter to the feature layer in question
RowCursor rowCursor = null;
rowCursor = searchLayer.Search(queryFilter);
searchLayer.SetDefinitionQuery(currentDefinitionQuery);
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