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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,51 @@ | ||
| ALTER TYPE work_status RENAME VALUE 'withdrawn' TO 'withdrawn-from-sale'; | ||
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| ALTER TABLE work | ||
| -- Drop constraints originally from v0.12.3, | ||
| -- otherwise it won't be able to cast to text | ||
| DROP CONSTRAINT IF EXISTS work_inactive_no_withdrawn_date_check, | ||
| DROP CONSTRAINT IF EXISTS work_active_withdrawn_date_check, | ||
| -- Drop new constraint from v.0.12.9 | ||
| DROP CONSTRAINT IF EXISTS work_active_publication_date_check; | ||
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| ALTER TABLE work ALTER COLUMN work_status TYPE text; | ||
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| -- !!! if this down migration is run, 'out-of-print' should | ||
| -- be treated as a placeholder work_status. | ||
| -- Works will need to be manually reassigned correct work_status: | ||
| -- out-of-print, out-of-stock-indefinitely, or inactive | ||
| -- This needs to be run because superseded is a new work_status | ||
| -- that is removed in this down migration. | ||
| UPDATE work | ||
| SET work_status = 'out-of-print' | ||
| WHERE work_status = 'superseded'; | ||
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| DROP TYPE work_status; | ||
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| CREATE TYPE work_status AS ENUM ( | ||
| 'unspecified', | ||
| 'cancelled', | ||
| 'forthcoming', | ||
| 'postponed-indefinitely', | ||
| 'active', | ||
| 'no-longer-our-product', | ||
| 'out-of-stock-indefinitely', | ||
| 'out-of-print', | ||
| 'inactive', | ||
| 'unknown', | ||
| 'remaindered', | ||
| 'withdrawn-from-sale', | ||
| 'recalled' | ||
| ); | ||
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| ALTER TABLE work ALTER COLUMN work_status TYPE work_status USING work_status::work_status; | ||
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| -- add constraints back to work table | ||
| ALTER TABLE work | ||
| ADD CONSTRAINT work_active_withdrawn_date_check CHECK | ||
| ((work_status = 'withdrawn-from-sale' OR work_status = 'out-of-print') | ||
| OR (work_status NOT IN ('withdrawn-from-sale', 'out-of-print') AND withdrawn_date IS NULL)), | ||
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| ADD CONSTRAINT work_inactive_no_withdrawn_date_check CHECK | ||
| (((work_status = 'withdrawn-from-sale' OR work_status = 'out-of-print') AND withdrawn_date IS NOT NULL) | ||
| OR (work_status NOT IN ('withdrawn-from-sale', 'out-of-print'))); |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,104 @@ | ||
| ALTER TYPE work_status RENAME VALUE 'withdrawn-from-sale' TO 'withdrawn'; | ||
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| -- Assign 1900-01-01 as placeholder publication_date for | ||
| -- Active, withdrawn from sale, out of print, out of stock indefinitely works with no publication date | ||
| -- Required for work_active_publication_date_check constraint below | ||
| -- Affected works in production db with this status, 29-05-2024: 59 works (incl. chapters) | ||
| -- Before running migration, make a list of affected works | ||
| -- After running migration, publishers should be notified to add correct publication_date | ||
| -- !!! This is irreversible | ||
| UPDATE work | ||
| SET | ||
| publication_date = '1900-01-01' | ||
| WHERE | ||
| work_status IN | ||
| ('active', 'withdrawn', 'out-of-print', 'out-of-stock-indefinitely', 'inactive') | ||
| AND publication_date IS NULL; | ||
|
|
||
| -- Drop constraints, otherwise it won't be able to cast to text | ||
| ALTER TABLE work | ||
| DROP CONSTRAINT IF EXISTS work_active_withdrawn_date_check, | ||
| DROP CONSTRAINT IF EXISTS work_inactive_no_withdrawn_date_check; | ||
|
|
||
| ALTER TABLE work ALTER COLUMN work_status TYPE text; | ||
|
|
||
| -- delete unused work_status enum | ||
| DROP TYPE work_status; | ||
|
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||
| -- Assign out of print/inactive/out of stock indefinitely works work_status 'superseded' | ||
| -- current counts in production db as of 29-05-2024: | ||
| -- 145 works (incl. chapters) | ||
| -- Before running migration, make a list of affected works | ||
| -- After running migration, publishers should be notified to add correct work_status | ||
| -- and remove withdrawn_date as necessary. Many OBP "out of print" works are actually first editions | ||
| -- for which superseded is the correct new work_status. | ||
| -- !!! This is irreversible | ||
| UPDATE work | ||
| SET | ||
| work_status = 'superseded', | ||
| -- assign a withdrawn_date, which is required for superseded works | ||
| withdrawn_date = CASE | ||
| WHEN withdrawn_date IS NOT NULL THEN withdrawn_date | ||
| -- + INTERVAL '1 day' is necessary because at least one work has publication_date on | ||
| -- the same day as updated_at, but updated_at has a timestamp, so it's | ||
| -- greater than. Which then throws an error with the | ||
| -- work_withdrawn_date_after_publication_date_check constraint. | ||
| WHEN withdrawn_date IS NULL AND publication_date + INTERVAL '1 day' < updated_at THEN updated_at | ||
| ELSE CURRENT_DATE | ||
| END | ||
| WHERE | ||
| work_status = 'out-of-print' | ||
| OR work_status = 'out-of-stock-indefinitely' | ||
| OR work_status = 'inactive'; | ||
|
|
||
| -- Assign unspecified/unkown works work_status 'forthcoming' | ||
| -- current counts in production db as of 29-05-2024: | ||
| -- unspecified, 0 works | ||
| -- unknown, 0 works | ||
| -- !!! This is irreversible | ||
| UPDATE work | ||
| SET work_status = 'forthcoming' | ||
| WHERE work_status = 'unspecified' OR work_status = 'unknown'; | ||
|
|
||
| -- Assign no longer our product/remaindered/recalled works work_status 'withdrawn-from-sale' | ||
| -- current counts in production db as of 29-05-2024: | ||
| -- no-longer-our-product, 0 works | ||
| -- remaindered, 0 works | ||
| -- recalled, 0 works | ||
| -- !!! This is irreversible | ||
| UPDATE work | ||
| SET | ||
| work_status = 'withdrawn', | ||
| withdrawn_date = COALESCE(withdrawn_date, updated_at) | ||
| WHERE | ||
| work_status = 'no-longer-our-product' | ||
| OR work_status = 'remaindered' | ||
| OR work_status = 'recalled'; | ||
|
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||
| -- create new work_status enum, adds superseded | ||
| CREATE TYPE work_status AS ENUM ( | ||
| 'cancelled', | ||
| 'forthcoming', | ||
| 'postponed-indefinitely', | ||
| 'active', | ||
| 'withdrawn', | ||
| 'superseded' | ||
| ); | ||
| ALTER TABLE work ALTER COLUMN work_status TYPE work_status USING work_status::work_status; | ||
|
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||
| -- add new constraints (with same names as in v0.12.3) to work table | ||
| ALTER TABLE work | ||
| -- withdrawn and superseded works must have withdrawn_date | ||
| -- note that this constraint has the same name as migration from v.0.12.3, | ||
| -- but changes previous constraint by adding superseded alongside withdrawn | ||
| ADD CONSTRAINT work_inactive_no_withdrawn_date_check CHECK | ||
| (((work_status = 'withdrawn' OR work_status = 'superseded') AND withdrawn_date IS NOT NULL) | ||
| OR (work_status NOT IN ('withdrawn', 'superseded'))), | ||
| -- all other work statuses must not have withdrawn_date; see above, adds superseded | ||
| ADD CONSTRAINT work_active_withdrawn_date_check CHECK | ||
| ((work_status = 'withdrawn' OR work_status = 'superseded') | ||
| OR (work_status NOT IN ('withdrawn', 'superseded') AND withdrawn_date IS NULL)), | ||
| -- active, withdrawn-from-sale, and superseded works must have publication_date | ||
| ADD CONSTRAINT work_active_publication_date_check CHECK | ||
| ((work_status IN ('active', 'withdrawn', 'superseded') AND publication_date IS NOT NULL) | ||
| OR (work_status NOT IN ('active', 'withdrawn', 'superseded'))); |
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