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 { 'order_code' => '0165-02675-4565', 'email' => 'foo@test.com', 'pric
+e' => '15', 'title' => 'Mt Thing XYZ' };

create index junk7_gin_idx using gin (data);

select * from junk7 where data @> '{ "email": "abcd@text.com" }';

#!/bin/sh
for power in 7;
...
  " | psql
  echo "\dti+ ${table}*" | psql -qX
done

-- table junk7
 id |                                                data
...
 public | junk7_gin_idx | index | aardvark | junk7 | 177 MB  |
(2 rows)