pg, `change_column_default` accepts `[]`. Closes #11586.

2 files changed, 3 insertions, 2 deletions

diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/quoting.rb b/activerecord/lib/active_record/connection_adapters/postgresql/quoting.rb
index 403e37fde9..fa458d0243 100644
--- a/activerecord/lib/active_record/connection_adapters/postgresql/quoting.rb
+++ b/activerecord/lib/active_record/connection_adapters/postgresql/quoting.rb
@@ -187,8 +187,8 @@ module ActiveRecord
         def quote_default_value(value, column) #:nodoc:
           if column.type == :uuid && value =~ /\(\)/
             value
-          else 
-            quote(value)
+          else
+            quote(value, column)
           end
         end
       end
diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb b/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb
index d26e0b7635..5bf4c7afd6 100644
--- a/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb
+++ b/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb
@@ -405,6 +405,7 @@ module ActiveRecord
         def change_column_default(table_name, column_name, default)
           clear_cache!
           column = column_for(table_name, column_name)
+
           execute "ALTER TABLE #{quote_table_name(table_name)} ALTER COLUMN #{quote_column_name(column_name)} SET DEFAULT #{quote_default_value(default, column)}" if column
         end