Commit 5d13cf3d authored by dfrazao-gitlab's avatar dfrazao-gitlab

Finalize conversion to bigint for ci_builds_runner_session

1. Ensure the migration of `build_id` to `bigint` is completed
2. Copy index and FK
3. Swap columns

See https://gitlab.com/gitlab-org/gitlab/-/issues/328445

Changelog: other
parent e7ea1609
# frozen_string_literal: true
class FinalizeCiBuildsRunnerSessionBigintConversion < ActiveRecord::Migration[6.1]
include Gitlab::Database::MigrationHelpers
disable_ddl_transaction!
TABLE_NAME = 'ci_builds_runner_session'
def up
ensure_batched_background_migration_is_finished(
job_class_name: 'CopyColumnUsingBackgroundMigrationJob',
table_name: TABLE_NAME,
column_name: 'id',
job_arguments: [['build_id'], ['build_id_convert_to_bigint']]
)
swap
end
def down
swap
end
private
def swap
add_concurrent_index TABLE_NAME, :build_id_convert_to_bigint, unique: true, name: 'index_ci_builds_runner_session_on_build_id_convert_to_bigint'
# Add a foreign key on `build_id_convert_to_bigint` before we swap the columns and drop the old FK ()
add_concurrent_foreign_key TABLE_NAME, :ci_builds, column: :build_id_convert_to_bigint, on_delete: :cascade, name: 'fk_rails_70707857d3_tmp', reverse_lock_order: true
with_lock_retries(raise_on_exhaustion: true) do
# We'll need ACCESS EXCLUSIVE lock on the related tables,
# lets make sure it can be acquired from the start
execute "LOCK TABLE ci_builds, #{TABLE_NAME} IN ACCESS EXCLUSIVE MODE"
# Swap column names
temp_name = 'build_id_tmp'
execute "ALTER TABLE #{quote_table_name(TABLE_NAME)} RENAME COLUMN #{quote_column_name(:build_id)} TO #{quote_column_name(temp_name)}"
execute "ALTER TABLE #{quote_table_name(TABLE_NAME)} RENAME COLUMN #{quote_column_name(:build_id_convert_to_bigint)} TO #{quote_column_name(:build_id)}"
execute "ALTER TABLE #{quote_table_name(TABLE_NAME)} RENAME COLUMN #{quote_column_name(temp_name)} TO #{quote_column_name(:build_id_convert_to_bigint)}"
# We need to update the trigger function in order to make PostgreSQL to
# regenerate the execution plan for it. This is to avoid type mismatch errors like
# "type of parameter 15 (bigint) does not match that when preparing the plan (integer)"
function_name = Gitlab::Database::UnidirectionalCopyTrigger.on_table(TABLE_NAME).name(:build_id, :build_id_convert_to_bigint)
execute "ALTER FUNCTION #{quote_table_name(function_name)} RESET ALL"
# Swap defaults
change_column_default TABLE_NAME, :build_id, nil
change_column_default TABLE_NAME, :build_id_convert_to_bigint, 0
# Rename the index on the `bigint` column to match the new column name
# (we already hold an exclusive lock, so no need to use DROP INDEX CONCURRENTLY here)
execute 'DROP INDEX index_ci_builds_runner_session_on_build_id'
rename_index TABLE_NAME, 'index_ci_builds_runner_session_on_build_id_convert_to_bigint', 'index_ci_builds_runner_session_on_build_id'
# Drop original FK on the old int4 `build_id` (fk_rails_70707857d3)
remove_foreign_key TABLE_NAME, name: 'fk_rails_70707857d3'
# We swapped the columns but the FK for buil_id is still using the temporary name for the build_id_convert_to_bigint column
# So we have to also swap the FK name now that we dropped the other one with the same
rename_constraint(TABLE_NAME, 'fk_rails_70707857d3_tmp', 'fk_rails_70707857d3')
end
end
end
ee6dc82719ecfbdf58d2c76589f328bed9e1a4455f4c593ae45ae7b2afc62602
\ No newline at end of file
...@@ -10671,11 +10671,11 @@ ALTER SEQUENCE ci_builds_metadata_id_seq OWNED BY ci_builds_metadata.id; ...@@ -10671,11 +10671,11 @@ ALTER SEQUENCE ci_builds_metadata_id_seq OWNED BY ci_builds_metadata.id;
CREATE TABLE ci_builds_runner_session ( CREATE TABLE ci_builds_runner_session (
id bigint NOT NULL, id bigint NOT NULL,
build_id integer NOT NULL, build_id_convert_to_bigint integer DEFAULT 0 NOT NULL,
url character varying NOT NULL, url character varying NOT NULL,
certificate character varying, certificate character varying,
"authorization" character varying, "authorization" character varying,
build_id_convert_to_bigint bigint DEFAULT 0 NOT NULL build_id bigint NOT NULL
); );
CREATE SEQUENCE ci_builds_runner_session_id_seq CREATE SEQUENCE ci_builds_runner_session_id_seq
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