determines the maximum number of ranges in

one index key. The default value of <literal>numranges</literal> is 100.

Valid values are between 1 and 253. Using larger arrays as GiST index

keys leads to a more precise search (scaning a smaller fraction of the index and

keys leads to a more precise search (scanning a smaller fraction of the index and

fewer heap pages), at the cost of a larger index.

</para>