tree c7ff0ffdfed65aa5891dd49184e84570c95fc436
parent dbcc4b5486d4eaefc764f943175f3f720d3e6fae
author Han-Wen Nienhuys <hanwen@google.com> 1580136600 +0100
committer Han-Wen Nienhuys <hanwen@google.com> 1580136726 +0000

query: require argument for negation

Otherwise, a query like "-" causes shard crash.

Fixes #108

Change-Id: I7769006ed6ea84be6ea950abfc65123438ff7455