diff options
Diffstat (limited to 'db/migrate/20200930094812_update_postgres_indexes_view.rb')
-rw-r--r-- | db/migrate/20200930094812_update_postgres_indexes_view.rb | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/db/migrate/20200930094812_update_postgres_indexes_view.rb b/db/migrate/20200930094812_update_postgres_indexes_view.rb new file mode 100644 index 00000000000..b36ea362e6f --- /dev/null +++ b/db/migrate/20200930094812_update_postgres_indexes_view.rb @@ -0,0 +1,54 @@ +# frozen_string_literal: true + +class UpdatePostgresIndexesView < ActiveRecord::Migration[6.0] + DOWNTIME = false + + def up + execute(<<~SQL) + CREATE OR REPLACE VIEW postgres_indexes AS + SELECT + pg_namespace.nspname || '.' || pg_class.relname as identifier, + pg_index.indexrelid, + pg_namespace.nspname as schema, + pg_class.relname as name, + pg_index.indisunique as unique, + pg_index.indisvalid as valid_index, + pg_class.relispartition as partitioned, + pg_index.indisexclusion as exclusion, + pg_indexes.indexdef as definition, + pg_relation_size(pg_class.oid) as ondisk_size_bytes + FROM pg_index + INNER JOIN pg_class ON pg_class.oid = pg_index.indexrelid + INNER JOIN pg_namespace ON pg_class.relnamespace = pg_namespace.oid + INNER JOIN pg_indexes ON pg_class.relname = pg_indexes.indexname + WHERE pg_namespace.nspname <> 'pg_catalog' + AND pg_namespace.nspname IN ( + current_schema(), + 'gitlab_partitions_dynamic', + 'gitlab_partitions_static' + ) + SQL + end + + def down + execute(<<~SQL) + CREATE OR REPLACE VIEW postgres_indexes AS + SELECT + pg_namespace.nspname || '.' || pg_class.relname as identifier, + pg_index.indexrelid, + pg_namespace.nspname as schema, + pg_class.relname as name, + pg_index.indisunique as unique, + pg_index.indisvalid as valid_index, + pg_class.relispartition as partitioned, + pg_index.indisexclusion as exclusion, + pg_indexes.indexdef as definition, + pg_relation_size(pg_class.oid) as ondisk_size_bytes + FROM pg_index + INNER JOIN pg_class ON pg_class.oid = pg_index.indexrelid + INNER JOIN pg_namespace ON pg_class.relnamespace = pg_namespace.oid + INNER JOIN pg_indexes ON pg_class.relname = pg_indexes.indexname + WHERE pg_namespace.nspname <> 'pg_catalog' + SQL + end +end |