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Add id primary key to order_team_members table #210

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merged 2 commits into from
Mar 12, 2024
Merged

Add id primary key to order_team_members table #210

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f20932b
Add id primary key to order_team_members table
Kagemaru Mar 12, 2024
fa66e53
Update orders_controller.rb
Kagemaru Mar 12, 2024
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38 changes: 38 additions & 0 deletions db/migrate/20240311175613_add_id_to_order_team_members.rb
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Original file line number Diff line number Diff line change
@@ -0,0 +1,38 @@
class AddIdToOrderTeamMembers < ActiveRecord::Migration[7.1]

def change
remove_index :order_team_members, column: :employee_id
remove_index :order_team_members, column: :order_id

reversible do |dir|
dir.up { deduplicate_entries }
end

add_column :order_team_members, :id, :primary_key
add_index :order_team_members, [:employee_id, :order_id], unique: true
end

private

def deduplicate_entries
execute <<~SQL
DELETE FROM "order_team_members"
WHERE "ctid" IN (
SELECT "ctid"
FROM (
SELECT
"ctid",
"employee_id",
"order_id",
row_number() OVER (
PARTITION BY "employee_id", "order_id"
ORDER BY "employee_id", "order_id"
) AS "rnum"
FROM "order_team_members"
) "t"
WHERE "t"."rnum" > 1
);
SQL
end

end
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