diff options
Diffstat (limited to 'lib/gitlab/database/count.rb')
| -rw-r--r-- | lib/gitlab/database/count.rb | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/lib/gitlab/database/count.rb b/lib/gitlab/database/count.rb index eac61254bdf..ce61c1ba9ad 100644 --- a/lib/gitlab/database/count.rb +++ b/lib/gitlab/database/count.rb @@ -35,7 +35,17 @@ module Gitlab # # @param [Array] # @return [Hash] of Model -> count mapping - def self.approximate_counts(models, strategies: [TablesampleCountStrategy, ReltuplesCountStrategy, ExactCountStrategy]) + def self.approximate_counts(models, strategies: []) + if strategies.empty? + # ExactCountStrategy is the only strategy working on read-only DBs, as others make + # use of tuple stats which use the primary DB to estimate tables size in a transaction. + strategies = if ::Gitlab::Database.read_write? + [TablesampleCountStrategy, ReltuplesCountStrategy, ExactCountStrategy] + else + [ExactCountStrategy] + end + end + strategies.each_with_object({}) do |strategy, counts_by_model| models_with_missing_counts = models - counts_by_model.keys |