= !MapGuide RFC 50 - Enhance expression engine concat function = This page contains a change request (RFC) for the !MapGuide Open Source project. More !MapGuide RFCs can be found on the [wiki:MapGuideRfcs RFCs] page. == Status == ||RFC Template Version||(1.0)|| ||Submission Date|| June 25, 2008 || ||Last Modified|| Bruce Dechant [[Timestamp]]|| ||Author||Bruce Dechant|| ||RFC Status||draft|| ||Implementation Status||draft|| ||Proposed Milestone||2.1|| ||Assigned PSC guide(s)||Bruce Dechant|| ||'''Voting History'''|| || ||+1|| || ||+0|| || ||-0|| || ||-1|| || == Overview == == Motivation == The existing concat text function is difficult to work with when multiple concatenations need to be done. == Proposed Solution == The proposed solution is to add support for an additional syntax to the concat function. Old syntax: {{{ concat('Parcel ID: ', concat( PID , concat('\nOwner Name: ', concat(!NullValue ( OWNER_NAME , '' ) , concat('\nAddress: ', SITE_ADDR ))))) }}} New syntax: {{{ concat('Parcel ID: ', PID , '\nOwner Name: ', NullValue ( OWNER_NAME , '' ) , '\nAddress: ', SITE_ADDR ) }}} == Implications == == Test Plan == == Funding/Resources ==