Port the qualified server preview at 84ac3c8781 onto
org dev c7209b7043. Preserve upstream changes and
branch policies; keep the independent private Collector service separate.
Preview-Version: 2.2.0-n30nex.1
Preview-Revision: 84ac3c8781
text[] from string_to_array can't match the CHAR(3) indexes and hides
the values from the planner. Handlers already have a slice; stop
joining to CSV in the store layer and pass a typed array everywhere.
n30nex