If stringing logical -OR- conditions together is the only supported way to
filter, then a way to work around the filter limit is to query your features
in batches. So if you have say 100 hydrants to filter out, you could do 4
queries each with 25 different hydrant -OR- conditions.
If you're using .net constructing such a filter is easy. Store the
individual conditions in a List<string> then a string.join(" OR ",
yourList.ToArray()) will give you the combined filter.
- Jackie
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