I fly Sukhum tomorrow morning for conference about spatial databases, so here just one example:
=# SELECT '1=>x'::hstore, 'x=>1.02'::hstore, 'x=>true'::hstore, 'x=>false'::hstore;
hstore | hstore | hstore | hstore
----------+-----------+--------+--------
"1"=>"x" | "x"=>1.02 | "x"=>t | "x"=>f
(1 row)
This is very simple select, but it
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