Correctly parse bigint defaults in PostgreSQL, Backpost #10098.

Conflicts:

	activerecord/CHANGELOG.md
	activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
	activerecord/test/cases/schema_dumper_test.rb

2 files changed, 6 insertions, 0 deletions

diff --git a/activerecord/test/cases/schema_dumper_test.rb b/activerecord/test/cases/schema_dumper_test.rb
index 0a9643b7e0..629e5e0fff 100644
--- a/activerecord/test/cases/schema_dumper_test.rb
+++ b/activerecord/test/cases/schema_dumper_test.rb
@@ -206,6 +206,11 @@ class SchemaDumperTest < ActiveRecord::TestCase
   end
 
   if current_adapter?(:PostgreSQLAdapter)
+    def test_schema_dump_includes_bigint_default
+      output = standard_dump
+      assert_match %r{t.integer\s+"bigint_default",\s+:limit => 8,\s+:default => 0}, output
+    end
+
     def test_schema_dump_includes_xml_shorthand_definition
       output = standard_dump
       if %r{create_table "postgresql_xml_data_type"} =~ output
diff --git a/activerecord/test/schema/postgresql_specific_schema.rb b/activerecord/test/schema/postgresql_specific_schema.rb
index b2c655ddcd..4f546df2eb 100644
--- a/activerecord/test/schema/postgresql_specific_schema.rb
+++ b/activerecord/test/schema/postgresql_specific_schema.rb
@@ -30,6 +30,7 @@ ActiveRecord::Schema.define do
     char3 text default 'a text field',
     positive_integer integer default 1,
     negative_integer integer default -1,
+    bigint_default bigint default 0::bigint,
     decimal_number decimal(3,2) default 2.78,
     multiline_default text DEFAULT '--- []