fix schema_dumper_test for Oracle as it supports precision up to 38

activerecord/test/cases/schema_dumper_test.rb

@@ -198,6 +198,11 @@ def test_schema_dump_includes_decimal_options
 
   def test_schema_dump_keeps_large_precision_integer_columns_as_decimal
     output = standard_dump
-    assert_match %r{t.decimal\s+"atoms_in_universe",\s+:precision => 55,\s+:scale => 0}, output
+    # Oracle supports precision up to 38 and it identifies decimals with scale 0 as integers
+    if current_adapter?(:OracleAdapter)
+      assert_match %r{t.integer\s+"atoms_in_universe",\s+:precision => 38,\s+:scale => 0}, output
+    else
+      assert_match %r{t.decimal\s+"atoms_in_universe",\s+:precision => 55,\s+:scale => 0}, output
+    end
   end
 end

activerecord/test/schema/schema.rb

@@ -285,7 +285,12 @@ def create_table(*args, &block)
     t.decimal :my_house_population, :precision => 2, :scale => 0
     t.decimal :decimal_number_with_default, :precision => 3, :scale => 2, :default => 2.78
     t.float   :temperature
-    t.decimal :atoms_in_universe, :precision => 55, :scale => 0
+    # Oracle supports precision up to 38
+    if current_adapter?(:OracleAdapter)
+      t.decimal :atoms_in_universe, :precision => 38, :scale => 0
+    else
+      t.decimal :atoms_in_universe, :precision => 55, :scale => 0
+    end
   end
 
   create_table :orders, :force => true do |t|