diff options
Diffstat (limited to 'db/migrate/20210611100359_rebuild_index_for_cadence_iterations_automation.rb')
-rw-r--r-- | db/migrate/20210611100359_rebuild_index_for_cadence_iterations_automation.rb | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/db/migrate/20210611100359_rebuild_index_for_cadence_iterations_automation.rb b/db/migrate/20210611100359_rebuild_index_for_cadence_iterations_automation.rb new file mode 100644 index 00000000000..ecd8bac22be --- /dev/null +++ b/db/migrate/20210611100359_rebuild_index_for_cadence_iterations_automation.rb @@ -0,0 +1,39 @@ +# frozen_string_literal: true + +class RebuildIndexForCadenceIterationsAutomation < ActiveRecord::Migration[6.0] + include Gitlab::Database::MigrationHelpers + + INDEX_NAME = 'cadence_create_iterations_automation' + + disable_ddl_transaction! + + def up + return if index_exists_and_is_valid? + + remove_concurrent_index_by_name :iterations_cadences, INDEX_NAME + + disable_statement_timeout do + execute( + <<-SQL + CREATE INDEX CONCURRENTLY #{INDEX_NAME} ON iterations_cadences + USING BTREE(automatic, duration_in_weeks, (DATE ((COALESCE("iterations_cadences"."last_run_date", DATE('01-01-1970')) + "iterations_cadences"."duration_in_weeks" * INTERVAL '1 week')))) + WHERE duration_in_weeks IS NOT NULL + SQL + ) + end + end + + def down + remove_concurrent_index_by_name :iterations_cadences, INDEX_NAME + end + + def index_exists_and_is_valid? + execute( + <<-SQL + SELECT identifier + FROM postgres_indexes + WHERE identifier LIKE '%#{INDEX_NAME}' AND valid_index=TRUE + SQL + ).any? + end +end |