46 lines
1.7 KiB
Ruby
46 lines
1.7 KiB
Ruby
# frozen_string_literal: true
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class FinalizeConvertDeploymentsBigint < ActiveRecord::Migration[6.1]
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include Gitlab::Database::MigrationHelpers
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disable_ddl_transaction!
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TABLE_NAME = 'deployments'
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COLUMN_NAME = 'deployable_id'
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COLUMN_NAME_BIGINT = "#{COLUMN_NAME}_convert_to_bigint"
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def up
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ensure_batched_background_migration_is_finished(
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job_class_name: 'CopyColumnUsingBackgroundMigrationJob',
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table_name: TABLE_NAME,
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column_name: 'id',
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job_arguments: [[COLUMN_NAME], [COLUMN_NAME_BIGINT]]
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)
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swap
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end
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def down
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swap
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end
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def swap
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old_index_name = 'index_deployments_on_deployable_type_and_deployable_id'
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bigint_index_name = 'index_deployments_on_deployable_type_and_deployable_id_bigint'
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add_concurrent_index TABLE_NAME, ['deployable_type', COLUMN_NAME_BIGINT], name: bigint_index_name
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with_lock_retries(raise_on_exhaustion: true) do
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# Swap columns
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temp_name = "#{COLUMN_NAME}_tmp"
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execute "ALTER TABLE #{TABLE_NAME} RENAME COLUMN #{quote_column_name(COLUMN_NAME)} TO #{quote_column_name(temp_name)}"
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execute "ALTER TABLE #{TABLE_NAME} RENAME COLUMN #{quote_column_name(COLUMN_NAME_BIGINT)} TO #{quote_column_name(COLUMN_NAME)}"
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execute "ALTER TABLE #{TABLE_NAME} RENAME COLUMN #{quote_column_name(temp_name)} TO #{quote_column_name(COLUMN_NAME_BIGINT)}"
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function_name = Gitlab::Database::UnidirectionalCopyTrigger.on_table(TABLE_NAME, connection: connection).name(COLUMN_NAME, COLUMN_NAME_BIGINT)
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execute "ALTER FUNCTION #{quote_table_name(function_name)} RESET ALL"
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execute "DROP INDEX #{old_index_name}"
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rename_index TABLE_NAME, bigint_index_name, old_index_name
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end
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end
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end
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