Step 2: Remove unused columns in elastic_reindexing_tasks

db/post_migrate/20210727175201_remove_unused_columns_from_elastic_reindexing_tasks.rb

+# frozen_string_literal: true
+
+class RemoveUnusedColumnsFromElasticReindexingTasks < ActiveRecord::Migration[6.1]
+  include Gitlab::Database::MigrationHelpers
+
+  disable_ddl_transaction!
+
+  def up
+    remove_column :elastic_reindexing_tasks, :documents_count, :integer
+    remove_column :elastic_reindexing_tasks, :index_name_from, :text
+    remove_column :elastic_reindexing_tasks, :index_name_to, :text
+    remove_column :elastic_reindexing_tasks, :elastic_task, :text
+    remove_column :elastic_reindexing_tasks, :documents_count_target, :integer
+  end
+
+  def down
+    add_column :elastic_reindexing_tasks, :documents_count, :integer
+    add_column :elastic_reindexing_tasks, :index_name_from, :text
+    add_column :elastic_reindexing_tasks, :index_name_to, :text
+    add_column :elastic_reindexing_tasks, :elastic_task, :text
+    add_column :elastic_reindexing_tasks, :documents_count_target, :integer
+
+    add_text_limit :elastic_reindexing_tasks, :index_name_from, 255
+    add_text_limit :elastic_reindexing_tasks, :index_name_to, 255
+    add_text_limit :elastic_reindexing_tasks, :elastic_task, 255
+  end
+end

db/schema_migrations/20210727175201

+c7ae79084b802723a24064cb700b6cdc9a23011d3fed45457799c1ae7aa19ce6
\ No newline at end of file

db/structure.sql

@@ -12661,21 +12661,13 @@ CREATE TABLE elastic_reindexing_tasks (
     id bigint NOT NULL,
     created_at timestamp with time zone NOT NULL,
     updated_at timestamp with time zone NOT NULL,
-    documents_count integer,
     state smallint DEFAULT 0 NOT NULL,
     in_progress boolean DEFAULT true NOT NULL,
-    index_name_from text,
-    index_name_to text,
-    elastic_task text,
     error_message text,
-    documents_count_target integer,
     delete_original_index_at timestamp with time zone,
     max_slices_running smallint DEFAULT 60 NOT NULL,
     slice_multiplier smallint DEFAULT 2 NOT NULL,
-    CONSTRAINT check_04151aca42 CHECK ((char_length(index_name_from) <= 255)),
-    CONSTRAINT check_7f64acda8e CHECK ((char_length(error_message) <= 255)),
-    CONSTRAINT check_85ebff7124 CHECK ((char_length(index_name_to) <= 255)),
-    CONSTRAINT check_942e5aae53 CHECK ((char_length(elastic_task) <= 255))
+    CONSTRAINT check_7f64acda8e CHECK ((char_length(error_message) <= 255))
 );
 
 CREATE SEQUENCE elastic_reindexing_tasks_id_seq

ee/app/models/elastic/reindexing_task.rb

@@ -8,7 +8,7 @@ class Elastic::ReindexingTask < ApplicationRecord
   validates :max_slices_running, presence: true
   validates :slice_multiplier, presence: true
 
-  ignore_columns %i[documents_count index_name_from index_name_to elastic_task documents_count_target], remove_with: '14.0', remove_after: '2021-04-22'
+  ignore_columns %i[documents_count index_name_from index_name_to elastic_task documents_count_target], remove_with: '14.3', remove_after: '2021-09-10'
 
   has_many :subtasks, class_name: 'Elastic::ReindexingSubtask', foreign_key: :elastic_reindexing_task_id