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-rw-r--r--activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb2
1 files changed, 0 insertions, 2 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
index 8fbddb13bd..dce9e99d27 100644
--- a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
@@ -180,8 +180,6 @@ module ActiveRecord
# <encoding></tt> call on the connection.
# * <tt>:min_messages</tt> - An optional client min messages that is used in a
# <tt>SET client_min_messages TO <min_messages></tt> call on the connection.
- # * <tt>:allow_concurrency</tt> - If true, use async query methods so Ruby threads don't deadlock;
- # otherwise, use blocking query methods.
class PostgreSQLAdapter < AbstractAdapter
class TableDefinition < ActiveRecord::ConnectionAdapters::TableDefinition
def xml(*args)