fix the bug on postgres by not trying to give the "missing_tags" subquery a name
fix the bug on postgres by not trying to give the "missing_tags" subquery a name

OSSystems/lava-server,OSSystems/lava-server,Linaro/lava-server,OSSystems/lava-server,Linaro/lava-server,Linaro/lava-server,Linaro/lava-server