Comment 1 for bug 1306133

This is very likely caused by the (useless) inclusion of metabib.rec_descriptor in the query. Here's a branch that avoids including it in cases where it is not necessary, which is all TPAC cases.

http://git.evergreen-ils.org/?p=working/Evergreen.git;a=shortlog;h=refs/heads/user/miker/lp1306133-optional-use-of-mrd