Prepare ci_builds_metadata for int8 migration

Relates to https://gitlab.com/gitlab-org/gitlab/-/issues/325616

Changelog: other

app/models/ci/build_metadata.rb

@@ -10,6 +10,7 @@ module Ci
     include Presentable
     include ChronicDurationAttribute
     include Gitlab::Utils::StrongMemoize
+    include IgnorableColumns
 
     self.table_name = 'ci_builds_metadata'
 
@@ -37,6 +38,8 @@ module Ci
         job_timeout_source: 4
     }
 
+    ignore_column :build_id_convert_to_bigint, remove_with: '14.2', remove_after: '2021-08-22'
+
     def update_timeout_state
       timeout = timeout_with_highest_precedence
 

db/migrate/20210519132109_initialize_conversion_of_ci_builds_metadata_to_bigint.rb

+# frozen_string_literal: true
+
+class InitializeConversionOfCiBuildsMetadataToBigint < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  TABLE = :ci_builds_metadata
+  COLUMN = :build_id
+
+  def up
+    initialize_conversion_of_integer_to_bigint(TABLE, COLUMN)
+  end
+
+  def down
+    revert_initialize_conversion_of_integer_to_bigint(TABLE, COLUMN)
+  end
+end

db/post_migrate/20210519132129_backfill_ci_builds_metadata_for_bigint_conversion.rb

+# frozen_string_literal: true
+
+class BackfillCiBuildsMetadataForBigintConversion < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  TABLE = :ci_builds_metadata
+  COLUMN = :build_id
+
+  def up
+    backfill_conversion_of_integer_to_bigint TABLE, COLUMN, batch_size: 15000, sub_batch_size: 100
+  end
+
+  def down
+    revert_backfill_conversion_of_integer_to_bigint TABLE, COLUMN
+  end
+end

db/schema_migrations/20210519132109

+ba464ad09f3cec0e9cf94b3041ad946e3a5a8c915ce0b9f4f95ab49cb55d305d
\ No newline at end of file

db/schema_migrations/20210519132129

+8041e898177bdee3b4d1ad82ec7dd3b79cb7dd740f773cd91dc4306a87a397fd
\ No newline at end of file

db/structure.sql

@@ -152,6 +152,15 @@ BEGIN
 END;
 $$;
 
+CREATE FUNCTION trigger_8487d4de3e7b() RETURNS trigger
+    LANGUAGE plpgsql
+    AS $$
+BEGIN
+  NEW."build_id_convert_to_bigint" := NEW."build_id";
+  RETURN NEW;
+END;
+$$;
+
 CREATE FUNCTION trigger_91dc388a5fe6() RETURNS trigger
     LANGUAGE plpgsql
     AS $$
@@ -10584,7 +10593,8 @@ CREATE TABLE ci_builds_metadata (
     has_exposed_artifacts boolean,
     environment_auto_stop_in character varying(255),
     expanded_environment_name character varying(255),
-    secrets jsonb DEFAULT '{}'::jsonb NOT NULL
+    secrets jsonb DEFAULT '{}'::jsonb NOT NULL,
+    build_id_convert_to_bigint bigint DEFAULT 0 NOT NULL
 );
 
 CREATE SEQUENCE ci_builds_metadata_id_seq
@@ -25248,6 +25258,8 @@ CREATE TRIGGER trigger_69523443cc10 BEFORE INSERT OR UPDATE ON events FOR EACH R
 
 CREATE TRIGGER trigger_8485e97c00e3 BEFORE INSERT OR UPDATE ON ci_sources_pipelines FOR EACH ROW EXECUTE FUNCTION trigger_8485e97c00e3();
 
+CREATE TRIGGER trigger_8487d4de3e7b BEFORE INSERT OR UPDATE ON ci_builds_metadata FOR EACH ROW EXECUTE FUNCTION trigger_8487d4de3e7b();
+
 CREATE TRIGGER trigger_91dc388a5fe6 BEFORE INSERT OR UPDATE ON ci_build_trace_sections FOR EACH ROW EXECUTE FUNCTION trigger_91dc388a5fe6();
 
 CREATE TRIGGER trigger_be1804f21693 BEFORE INSERT OR UPDATE ON ci_job_artifacts FOR EACH ROW EXECUTE FUNCTION trigger_be1804f21693();