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DEV: Make recent creation of chat index idempotent (#19603)

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Alan Guo Xiang Tan 2022-12-23 10:23:57 +08:00 committed by GitHub
parent f1e808153c
commit c2a733a95a
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1 changed files with 15 additions and 2 deletions
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17
plugins/chat/db/migrate/20221219082223_add_index_to_chat_messages.rb
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@ -3,7 +3,20 @@
class AddIndexToChatMessages < ActiveRecord::Migration[7.0]
disable_ddl_transaction!
def change
add_index :chat_messages, [:chat_channel_id, :id], where: "deleted_at IS NULL", algorithm: :concurrently
def up
# Transaction has been disabled so we need to clean up the invalid index if index creation timeout
execute <<~SQL
DROP INDEX CONCURRENTLY IF EXISTS index_chat_messages_on_chat_channel_id_and_id
SQL
execute <<~SQL
CREATE INDEX CONCURRENTLY index_chat_messages_on_chat_channel_id_and_id
ON chat_messages (chat_channel_id,id)
WHERE deleted_at IS NOT NULL
SQL
end
def down
raise ActiveRecord::IrreversibleMigration
end
end