Searching for persons is slow when adding a relationship

When searching for a person to add as a relationship, it takes a painfully long time to find the person. It doesn't appear that it's complying to the global properties to make it search quickly when searching for an identifier. The global properties are...

• patient.identifierPrefix
• patient.identifierRegex
• patient.identifierSuffix

You can find descriptions at... http://openmrs.org/wiki/Global_Properties_Descriptions

Also see...
Ticket 689