[postgis-users] ST_MakePolygon

[Aglaia Ntriva]

I am new in postgis and I have a problem.
Does anybody have an idea why I receive this error
  *Syntax error at or near “ 4105011” *
*  SQL state 42601*
**
when I try to execute a simple SELECT like this
"SELECT
ST_MakePolygon(ST_GeomFromText(’LINESTRING(326933 4105011, 323986 4103056,
326327 4098897, 333212 4099338, 335437 4101348, 333570 4103882, 326933
4105011)’);"

I receive the same error even with the  example of the postgis documentation

"SELECT ST_MakePolygon(ST_GeomFromText(’LINESTRING(75.15 29.53,77 29,77.6
29.5, 75.15 29.53) ’));"

Aglaia.
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