Remove most type related predicates from `Column`

Remaining are `limit`, `precision`, `scale`, and `type` (the symbol
version). These will remain on the column, since they mirror the options
to the `column` method in the schema definition DSL

1 files changed, 8 insertions, 4 deletions

diff --git a/activerecord/test/cases/adapters/postgresql/bit_string_test.rb b/activerecord/test/cases/adapters/postgresql/bit_string_test.rb
index f154ba4cdc..ad433b9d1b 100644
--- a/activerecord/test/cases/adapters/postgresql/bit_string_test.rb
+++ b/activerecord/test/cases/adapters/postgresql/bit_string_test.rb
@@ -26,18 +26,22 @@ class PostgresqlBitStringTest < ActiveRecord::TestCase
     column = PostgresqlBitString.columns_hash["a_bit"]
     assert_equal :bit, column.type
     assert_equal "bit(8)", column.sql_type
-    assert_not column.number?
-    assert_not column.binary?
     assert_not column.array?
+
+    type = PostgresqlBitString.type_for_attribute("a_bit")
+    assert_not type.number?
+    assert_not type.binary?
   end
 
   def test_bit_string_varying_column
     column = PostgresqlBitString.columns_hash["a_bit_varying"]
     assert_equal :bit_varying, column.type
     assert_equal "bit varying(4)", column.sql_type
-    assert_not column.number?
-    assert_not column.binary?
     assert_not column.array?
+
+    type = PostgresqlBitString.type_for_attribute("a_bit_varying")
+    assert_not type.number?
+    assert_not type.binary?
   end
 
   def test_default