I have a custom datatype (the PostGIS geometry type), which I have
indexed using a GiST index.
The problem is, its difficult to get PostgreSQL to actually use the GiST
index. The only way I can get it to be used is by 'set enable_seqscan =
off', which seems a bit cheezy. What am I missing? Do I have to make
some sort of amcostestimate() function or something?
thanks,
dave
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