On 4/18/2017 9:01 PM, Samuel Williams wrote:
We want the following kinds of query to be fast:
SELECT ... AND (latitude > -37.03079375089291 AND latitude <
-36.67086424910709 AND longitude > 174.6307139779924 AND longitude <
175.0805140220076);
I wonder if GIST would work better if you use the native POINT type, and
compared it like
mypoint <@ BOX
'((174.6307139779924,-37.03079375089291),(175.0805140220076,-36.67086424910709
))'
with a gist index on mypoint...
but, it all hinges on which clauses in your query are most selective,
thats where you want an index.
--
john r pierce, recycling bits in santa cruz
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