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# frozen_string_literal: true
class SwapDesignUserMentionsNoteIdToBigIntForSelfManaged < Gitlab::Database::Migration[2.1]
include Gitlab::Database::MigrationHelpers::ConvertToBigint
disable_ddl_transaction!
TABLE_NAME = 'design_user_mentions'
def up
return if com_or_dev_or_test_but_not_jh?
return if temp_column_removed?(TABLE_NAME, :note_id)
return if columns_swapped?(TABLE_NAME, :note_id)
swap
end
def down
return if com_or_dev_or_test_but_not_jh?
return if temp_column_removed?(TABLE_NAME, :note_id)
return unless columns_swapped?(TABLE_NAME, :note_id)
swap
end
private
def swap
# This will replace the existing index_design_user_mentions_on_note_id
add_concurrent_index TABLE_NAME, :note_id_convert_to_bigint, unique: true,
name: 'index_design_user_mentions_on_note_id_convert_to_bigint'
# This will replace the existing fk_rails_8de8c6d632
add_concurrent_foreign_key TABLE_NAME, :notes, column: :note_id_convert_to_bigint,
name: 'fk_design_user_mentions_note_id_convert_to_bigint',
on_delete: :cascade
with_lock_retries(raise_on_exhaustion: true) do
execute "LOCK TABLE notes, #{TABLE_NAME} IN ACCESS EXCLUSIVE MODE"
execute "ALTER TABLE #{TABLE_NAME} RENAME COLUMN note_id TO note_id_tmp"
execute "ALTER TABLE #{TABLE_NAME} RENAME COLUMN note_id_convert_to_bigint TO note_id"
execute "ALTER TABLE #{TABLE_NAME} RENAME COLUMN note_id_tmp TO note_id_convert_to_bigint"
function_name = Gitlab::Database::UnidirectionalCopyTrigger
.on_table(TABLE_NAME, connection: connection)
.name(:note_id, :note_id_convert_to_bigint)
execute "ALTER FUNCTION #{quote_table_name(function_name)} RESET ALL"
# Swap defaults
change_column_default TABLE_NAME, :note_id, nil
change_column_default TABLE_NAME, :note_id_convert_to_bigint, 0
execute 'DROP INDEX IF EXISTS index_design_user_mentions_on_note_id'
rename_index TABLE_NAME, 'index_design_user_mentions_on_note_id_convert_to_bigint',
'index_design_user_mentions_on_note_id'
execute "ALTER TABLE #{TABLE_NAME} DROP CONSTRAINT IF EXISTS fk_rails_8de8c6d632"
rename_constraint(TABLE_NAME, 'fk_design_user_mentions_note_id_convert_to_bigint', 'fk_rails_8de8c6d632')
end
end
end
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