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andreypopp/gist:795262

Created January 25, 2011 17:27
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gistfile1.txt
psql=# table b;
l │ r
───┼───
a │ b
b │ e
e │ d
(3 rows)
Time: 0.188 ms
psql=# with recursive c as (select * from b union select b.l, c.r from b join c on c.l = b.r) table c;
l │ r
───┼───
a │ b
b │ e
e │ d
a │ e
b │ d
a │ d
(6 rows)
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