[postgis-users] detect poly's with duplicated vertex

Rob Agar robagar at westnet.com.au
Sat Oct 20 02:42:04 PDT 2007

hi all,

Another quick question - is there a function for detecting polygons with 
one or more sequential duplicated points?  Basically, I want to find and 
replace polys like "abccd" with "abcd".


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