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ts_rank error/result of '1e-020' - Mailing list pgsql-general

From Henry Drexler
Subject ts_rank error/result of '1e-020'
Date
Msg-id CAAtgU9SWfKgrs23TMi75pYEJnXrJir3i0tMkVnig5+qjLtv7Wg@mail.gmail.com
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Responses Re: ts_rank error/result of '1e-020'  (Henry Drexler <alonup8tb@gmail.com>)
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I have a workaround to the error/result, but am wondering what the result of ts_rank of '1e-020' represents?

Here is the original:

select
ts_rank(to_tsvector('a_a_do_ug_read_retreqmon_ptam'),to_tsquery('a_a_do_ug_read_retrmso.com_ptam'))


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