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-- name: RotMgrRotationData :one
-- Get rotation data for a given rotation ID
SELECT
now()::timestamptz AS now,
sqlc.embed(rot),
coalesce(state.version, 0) AS state_version,
coalesce(state.position, 0) AS state_position,
state.shift_start AS state_shift_start,
ARRAY (
SELECT
p.id
FROM
rotation_participants p
WHERE
p.rotation_id = rot.id
ORDER BY
position)::uuid[] AS participants
FROM
rotations rot
LEFT JOIN rotation_state state ON rot.id = state.rotation_id
WHERE
rot.id = @rotation_id;
-- name: RotMgrStart :exec
-- Start a rotation.
INSERT INTO rotation_state(rotation_id, position, shift_start, rotation_participant_id)
SELECT
p.rotation_id,
0,
now(),
id
FROM
rotation_participants p
WHERE
p.rotation_id = @rotation_id
AND position = 0;
-- name: RotMgrEnd :exec
-- End a rotation.
DELETE FROM rotation_state
WHERE rotation_id = @rotation_id;
-- name: RotMgrUpdate :exec
-- Update the rotation state.
UPDATE
rotation_state
SET
position = @position,
shift_start = now(),
rotation_participant_id = @rotation_participant_id,
version = 2
WHERE
rotation_id = @rotation_id;
-- name: RotMgrFindWork :many
WITH items AS (
SELECT
id,
entity_id
FROM
entity_updates
WHERE
entity_type = 'rotation'
FOR UPDATE
SKIP LOCKED
LIMIT 1000
),
_delete AS (
DELETE FROM entity_updates
WHERE id IN (
SELECT
id
FROM
items))
SELECT DISTINCT
entity_id
FROM
items;
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