23 lines
548 B
Ruby
23 lines
548 B
Ruby
|
# frozen_string_literal: true
|
||
|
|
|
||
|
|
Sequel.migration do
|
||
|
|
up do
|
||
|
|
# Delete NBP.B rows that overlap with NBP (pre-2004 when both tables
|
||
|
|
# carried EUR, USD, etc.)
|
||
|
|
run <<~SQL
|
||
|
|
DELETE FROM rates
|
||
|
|
WHERE provider = 'NBP.B'
|
||
|
|
AND (date, base, quote) IN (
|
||
|
|
SELECT date, base, quote FROM rates WHERE provider = 'NBP'
|
||
|
|
)
|
||
|
|
SQL
|
||
|
|
|
||
|
|
self[:rates].where(provider: "NBP.B").update(provider: "NBP")
|
||
|
|
self[:providers].where(key: "NBP.B").delete
|
||
|
|
end
|
||
|
|
|
||
|
|
down do
|
||
|
|
raise Sequel::Error, "irreversible migration"
|
||
|
|
end
|
||
|
|
end
|