[postgis-users] Missing Polyline Support

[Manish Verma]

Hi,

I'm new to PostGIS and i'm not able to  use following polyline related
functions in my setup.
ST_LineFromEncodedPolyline

It is not available in  listed functions and also returns following error
on query:
try1>
SELECT ST_AsEWKT(ST_LineFromEncodedPolyline('_p~iF~ps|U_ulLnnqC_mqNvxq`@'));
ERROR: function st_linefromencodedpolyline(unknown) does not exist
SQL state: 42883


try2>
SELECT
ST_AsEWKT(ST_LineFromEncodedPolyline(ST_asText('_p~iF~ps|U_ulLnnqC_mqNvxq`@'),5));
ERROR: function st_linefromencodedpolyline(text, integer) does not exist
SQL state: 42883



Would appreciate any pointers to resolve this.


Thanks,
Manish

-------------------
My setup version:
"PostgreSQL 9.3.9 on x86_64-unknown-linux-gnu, compiled by gcc (Ubuntu
4.8.4-2ubuntu1~14.04) 4.8.4, 64-bit POSTGIS="2.1.2 r12389"
GEOS="3.4.2-CAPI-1.8.2 r3921" PROJ="Rel. 4.8.0, 6 March 2012" GDAL="GDAL
1.10.1, released 2013/08/26" LIBXML="2.9.1" LIBJSON="U (...)"
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