0.12.3dev: Follow-up to [10792], work around MySQL ERROR 1093 with the same table for the update target and the subquery FROM clause.
0.12.3dev: Follow-up to [10792], work around MySQL ERROR 1093 with the same table for the update target and the subquery FROM clause.


git-svn-id: 30ec3c1a2098df185a8733d0352d646269562639@10803 af82e41b-90c4-0310-8c96-b1721e28e2e2

exocad/exotrac,exocad/exotrac,exocad/exotrac,exocad/exotrac