diff options
Diffstat (limited to 'lib/gitlab/database.rb')
-rw-r--r-- | lib/gitlab/database.rb | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/lib/gitlab/database.rb b/lib/gitlab/database.rb index 872e70f9a5d..8eacad078c8 100644 --- a/lib/gitlab/database.rb +++ b/lib/gitlab/database.rb @@ -61,6 +61,10 @@ module Gitlab @version ||= database_version.match(/\A(?:PostgreSQL |)([^\s]+).*\z/)[1] end + def self.postgresql_9_or_less? + postgresql? && version.to_f < 10 + end + def self.join_lateral_supported? postgresql? && version.to_f >= 9.3 end @@ -69,6 +73,28 @@ module Gitlab postgresql? && version.to_f >= 9.4 end + def self.pg_stat_wal_receiver_supported? + postgresql? && version.to_f >= 9.6 + end + + # map some of the function names that changed between PostgreSQL 9 and 10 + # https://wiki.postgresql.org/wiki/New_in_postgres_10 + def self.pg_wal_lsn_diff + Gitlab::Database.postgresql_9_or_less? ? 'pg_xlog_location_diff' : 'pg_wal_lsn_diff' + end + + def self.pg_current_wal_insert_lsn + Gitlab::Database.postgresql_9_or_less? ? 'pg_current_xlog_insert_location' : 'pg_current_wal_insert_lsn' + end + + def self.pg_last_wal_receive_lsn + Gitlab::Database.postgresql_9_or_less? ? 'pg_last_xlog_receive_location' : 'pg_last_wal_receive_lsn' + end + + def self.pg_last_wal_replay_lsn + Gitlab::Database.postgresql_9_or_less? ? 'pg_last_xlog_replay_location' : 'pg_last_wal_replay_lsn' + end + def self.nulls_last_order(field, direction = 'ASC') order = "#{field} #{direction}" |