$sVersionString = $oDB->getOne('select postgis_full_version()');
preg_match('#POSTGIS="([0-9]+)[.]([0-9]+)[.]([0-9]+)( r([0-9]+))?"#', $sVersionString, $aMatches);
if (CONST_Postgis_Version != $aMatches[1].'.'.$aMatches[2])
$sVersionString = $oDB->getOne('select postgis_full_version()');
preg_match('#POSTGIS="([0-9]+)[.]([0-9]+)[.]([0-9]+)( r([0-9]+))?"#', $sVersionString, $aMatches);
if (CONST_Postgis_Version != $aMatches[1].'.'.$aMatches[2])