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# frozen_string_literal: true
class CreateBackgroundMigrationTrackingTables < ActiveRecord::Migration[6.0]
include Gitlab::Database::MigrationHelpers
DOWNTIME = false
def change
create_table_with_constraints :batched_background_migrations do |t|
t.timestamps_with_timezone
t.bigint :min_value, null: false, default: 1
t.bigint :max_value, null: false
t.integer :batch_size, null: false
t.integer :sub_batch_size, null: false
t.integer :interval, limit: 2, null: false
t.integer :status, limit: 2, null: false, default: 0
t.text :job_class_name, null: false
t.text :batch_class_name, null: false,
default: 'Gitlab::Database::BackgroundMigration::PrimaryKeyBatchingStrategy'
t.text :table_name, null: false
t.text :column_name, null: false
t.jsonb :job_arguments, null: false, default: '[]'
t.text_limit :job_class_name, 100
t.text_limit :batch_class_name, 100
t.text_limit :table_name, 63
t.text_limit :column_name, 63
t.check_constraint :check_positive_min_value, 'min_value > 0'
t.check_constraint :check_max_value_in_range, 'max_value >= min_value'
t.check_constraint :check_positive_sub_batch_size, 'sub_batch_size > 0'
t.check_constraint :check_batch_size_in_range, 'batch_size >= sub_batch_size'
t.index %i[job_class_name table_name column_name], name: :index_batched_migrations_on_job_table_and_column_name
end
create_table :batched_background_migration_jobs do |t|
t.timestamps_with_timezone
t.datetime_with_timezone :started_at
t.datetime_with_timezone :finished_at
t.references :batched_background_migration, null: false, index: false, foreign_key: { on_delete: :cascade }
t.bigint :min_value, null: false
t.bigint :max_value, null: false
t.integer :batch_size, null: false
t.integer :sub_batch_size, null: false
t.integer :status, limit: 2, null: false, default: 0
t.integer :attempts, limit: 2, null: false, default: 0
t.index [:batched_background_migration_id, :id], name: :index_batched_jobs_by_batched_migration_id_and_id
end
end
def down
drop_table :batched_background_migration_jobs
drop_table :batched_background_migrations
end
end
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