aboutsummaryrefslogtreecommitdiffstats
path: root/activerecord/lib/active_record/connection_adapters
diff options
context:
space:
mode:
Diffstat (limited to 'activerecord/lib/active_record/connection_adapters')
-rw-r--r--activerecord/lib/active_record/connection_adapters/abstract_adapter.rb6
-rw-r--r--activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb9
2 files changed, 15 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb b/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb
index b2ad4e600d..310d25767b 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb
@@ -177,6 +177,12 @@ module ActiveRecord
false
end
+ # A list of extensions, to be filled in by databases that
+ # support them (at the moment, postgresql)
+ def extensions
+ []
+ end
+
# QUOTING ==================================================
# Returns a bind substitution value given a +column+ and list of current
diff --git a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
index 5ce2f1b04c..84e48970ca 100644
--- a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
@@ -605,6 +605,15 @@ module ActiveRecord
end
end
+ def extensions
+ if supports_extensions?
+ res = exec_query "SELECT extname from pg_extension", "SCHEMA"
+ res.rows.map { |r| res.column_types['extname'].type_cast r.first }
+ else
+ []
+ end
+ end
+
# Returns the configured supported identifier length supported by PostgreSQL
def table_alias_length
@table_alias_length ||= query('SHOW max_identifier_length', 'SCHEMA')[0][0].to_i