diff options
Diffstat (limited to 'db/migrate/20180308052825_add_section_name_id_index_on_ci_build_trace_sections.rb')
| -rw-r--r-- | db/migrate/20180308052825_add_section_name_id_index_on_ci_build_trace_sections.rb | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/db/migrate/20180308052825_add_section_name_id_index_on_ci_build_trace_sections.rb b/db/migrate/20180308052825_add_section_name_id_index_on_ci_build_trace_sections.rb new file mode 100644 index 00000000000..0cf665ac935 --- /dev/null +++ b/db/migrate/20180308052825_add_section_name_id_index_on_ci_build_trace_sections.rb @@ -0,0 +1,22 @@ +class AddSectionNameIdIndexOnCiBuildTraceSections < ActiveRecord::Migration + include Gitlab::Database::MigrationHelpers + + # Set this constant to true if this migration requires downtime. + DOWNTIME = false + + disable_ddl_transaction! + + def up + # MySQL may already have this as a foreign key + unless index_exists?(:ci_build_trace_sections, :section_name_id) + add_concurrent_index :ci_build_trace_sections, :section_name_id + end + end + + def down + # We cannot remove index for MySQL because it's needed for foreign key + if Gitlab::Database.postgresql? + remove_concurrent_index :ci_build_trace_sections, :section_name_id + end + end +end |