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Lock activities/users table during flake migration.

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href 2019-01-21 13:10:48 +01:00
parent 973c9eed18
commit 465fb4327d
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priv/repo/migrations/20181218172826_users_and_activities_flake_id.exs
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@ -15,6 +15,10 @@ def change do
#execute "update activities set external_id = CAST( LPAD( TO_HEX(id), 32, '0' ) AS uuid);"
#execute "update users set external_id = CAST( LPAD( TO_HEX(id), 32, '0' ) AS uuid);"
# Lock both tables to avoid a running server to meddling with our transaction
execute "LOCK TABLE activities;"
execute "LOCK TABLE users;"
execute "ALTER TABLE activities DROP CONSTRAINT activities_pkey CASCADE;"
execute "ALTER TABLE users DROP CONSTRAINT users_pkey CASCADE;"