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# frozen_string_literal: true
class SwapCiBuildNeedsToBigIntForSelfHosts < Gitlab::Database::Migration[2.1]
include Gitlab::Database::MigrationHelpers::ConvertToBigint
disable_ddl_transaction!
TABLE_NAME = 'ci_build_needs'
def up
return if should_skip?
return if temporary_column_already_dropped?
return if columns_already_swapped?
swap
end
def down
return if should_skip?
return if temporary_column_already_dropped?
return unless columns_already_swapped?
swap
end
private
def swap
add_concurrent_index TABLE_NAME, :id_convert_to_bigint, unique: true, name:
'index_ci_build_needs_on_id_convert_to_bigint'
with_lock_retries(raise_on_exhaustion: true) do
execute "LOCK TABLE #{TABLE_NAME} IN ACCESS EXCLUSIVE MODE"
execute "ALTER TABLE #{TABLE_NAME} RENAME COLUMN id TO id_tmp"
execute "ALTER TABLE #{TABLE_NAME} RENAME COLUMN id_convert_to_bigint TO id"
execute "ALTER TABLE #{TABLE_NAME} RENAME COLUMN id_tmp TO id_convert_to_bigint"
function_name = Gitlab::Database::UnidirectionalCopyTrigger.on_table(
TABLE_NAME, connection: Ci::ApplicationRecord.connection
).name(
:id, :id_convert_to_bigint
)
execute "ALTER FUNCTION #{quote_table_name(function_name)} RESET ALL"
execute "ALTER SEQUENCE ci_build_needs_id_seq OWNED BY #{TABLE_NAME}.id"
change_column_default TABLE_NAME, :id, -> { "nextval('ci_build_needs_id_seq'::regclass)" }
change_column_default TABLE_NAME, :id_convert_to_bigint, 0
execute "ALTER TABLE #{TABLE_NAME} DROP CONSTRAINT ci_build_needs_pkey CASCADE"
rename_index TABLE_NAME, 'index_ci_build_needs_on_id_convert_to_bigint', 'ci_build_needs_pkey'
execute "ALTER TABLE #{TABLE_NAME} ADD CONSTRAINT ci_build_needs_pkey PRIMARY KEY USING INDEX ci_build_needs_pkey"
end
end
def should_skip?
com_or_dev_or_test_but_not_jh?
end
def columns_already_swapped?
table_columns = columns(TABLE_NAME)
column_id = table_columns.find { |c| c.name == 'id' }
column_id_convert_to_bigint = table_columns.find { |c| c.name == 'id_convert_to_bigint' }
column_id.sql_type == 'bigint' && column_id_convert_to_bigint.sql_type == 'integer'
end
def temporary_column_already_dropped?
table_columns = columns(TABLE_NAME)
!table_columns.find { |c| c.name == 'id_convert_to_bigint' }
end
end
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