Read what a machine has from its haves: reported-and-current, the bus list, a given value's first good start; drop the digest of a send (migration 0110) (release 6, issue 1945 B8)

internal/inventory/migrations/0109-the-node-keeps-no-record-of-a-send.sql

@@ -3,9 +3,8 @@
 -- Nothing sends a declaration any more, so nothing writes what a send carried: the commit of each module (sent_builds, which
 -- 0105 kept only as the source of the one-time copy onto the assignments, long done), the lease epoch (sent_epoch, 0068), the
 -- summary `plan --diff` compared (sent_summary, 0078) and the assignment generation (sent_generation, 0094). **It is one-way**,
--- as 0108. What stays: sent and sent_at (the digest and time of the last send, which `status`' reported-and-current reads and the
--- given secrets' first good start is judged against), sent_bus_users, and sent_provisioning, which now holds the provisioner's
--- plans of each composition (inventory.RecordComposedPlans).
+-- as 0108. What stays: sent and sent_at (the digest and time of the last send), sent_bus_users and sent_provisioning, which holds the
+-- provisioner's plans of each composition (inventory.RecordComposedPlans); 0110 drops the first three.
 alter table node drop column if exists sent_builds;
 alter table node drop column if exists sent_epoch;
 alter table node drop column if exists sent_summary;

internal/inventory/migrations/0110-the-node-keeps-no-digest-of-a-send.sql

@@ -0,0 +1,11 @@
+-- The node row keeps no digest of a send, nor when it was made (novox/hq ADR 0539 §5, §9, §17, issue 1945).
+--
+-- A machine is not sent a declaration, so nothing records one: whether a machine has what is wanted of it is read from its
+-- haves beside the assigner's wants, a given value is replaced when a have of its module is first running and healthy, and the
+-- bus's user list is part of the bus module's composition, which the bus machine's have names or does not. This drops what
+-- the last readers of a send's record read: node.sent and node.sent_at (0014), and node.sent_bus_users (0058). **It is
+-- one-way**, as 0108 and 0109. node.sent_provisioning stays: it holds the provisioner's plans of each composition
+-- (inventory.RecordComposedPlans).
+alter table node drop column if exists sent;
+alter table node drop column if exists sent_at;
+alter table node drop column if exists sent_bus_users;