We need to downgrade EnterpriseDB 9.2.13.28 to 9.2.8 due to the following: Since version 9.2.10 however there has been a change in the processing of namespaces in the xpath() function (see
While you are likely to get a response this is not a support channel for EnterpriseDB derivations of PostgreSQL. You should ask them this question on the support channels they provide.