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How to calculate length of path data without diagonals? - Mailing list pgsql-general

From Romain Billoir
Subject How to calculate length of path data without diagonals?
Date
Msg-id AANLkTikJ2UUT9cg6i=GZvOo4QYYO3NdVPEk2taU1r1bP@mail.gmail.com
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Responses Re: How to calculate length of path data without diagonals?  (John R Pierce <pierce@hogranch.com>)
Re: How to calculate length of path data without diagonals?  (Stephen Cook <sclists@gmail.com>)
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Hi, i need to calculate some length of path without diagonal. Some examples:
length((5,5),(6,6))) returns 1.41. I need 2: 5,5 to 5,6 + 5,6 to 6,6.

Is that possible?

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