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-rw-r--r--activerecord/lib/active_record/connection_adapters/connection_specification.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/connection_specification.rb b/activerecord/lib/active_record/connection_adapters/connection_specification.rb
index f633892dee..4bc6447368 100644
--- a/activerecord/lib/active_record/connection_adapters/connection_specification.rb
+++ b/activerecord/lib/active_record/connection_adapters/connection_specification.rb
@@ -33,7 +33,7 @@ module ActiveRecord
def initialize(url)
raise "Database URL cannot be empty" if url.blank?
@uri = uri_parser.parse(url)
- @adapter = @uri.scheme.tr('-', '_')
+ @adapter = @uri.scheme && @uri.scheme.tr('-', '_')
@adapter = "postgresql" if @adapter == "postgres"
if @uri.opaque