remove deprecated support for PG ranges with exclusive lower bounds.

addresses 91949e4#commitcomment-9144563

Author: senny

activerecord/CHANGELOG.md

@@ -1,3 +1,7 @@
+*   Remove deprecated support for PostgreSQL ranges with exclusive lower bounds.
+
+    *Yves Senn*
+
 *   Remove deprecation when modifying a relation with cached arel.
     This raises an `ImmutableRelation` error instead.
 

activerecord/lib/active_record/connection_adapters/postgresql/oid/range.rb

@@ -25,16 +25,7 @@ def cast_value(value)
             to = type_cast_single extracted[:to]
 
             if !infinity?(from) && extracted[:exclude_start]
-              if from.respond_to?(:succ)
-                from = from.succ
-                ActiveSupport::Deprecation.warn(<<-MSG.squish)
-                  Excluding the beginning of a Range is only partialy supported
-                  through `#succ`. This is not reliable and will be removed in
-                  the future.
-                MSG
-              else
-                raise ArgumentError, "The Ruby Range object does not support excluding the beginning of a Range. (unsupported value: '#{value}')"
-              end
+              raise ArgumentError, "The Ruby Range object does not support excluding the beginning of a Range. (unsupported value: '#{value}')"
             end
             ::Range.new(from, to, extracted[:exclude_end])
           end

activerecord/test/cases/adapters/postgresql/range_test.rb

@@ -230,36 +230,14 @@ def test_update_int8range
       assert_nil_round_trip(@first_range, :int8_range, 39999...39999)
     end
 
-    def test_exclude_beginning_for_subtypes_with_succ_method_is_deprecated
-      tz = ::ActiveRecord::Base.default_timezone
-
-      silence_warnings {
-        assert_deprecated {
-          range = PostgresqlRange.create!(date_range: "(''2012-01-02'', ''2012-01-04'']")
-          assert_equal Date.new(2012, 1, 3)..Date.new(2012, 1, 4), range.date_range
-        }
-        assert_deprecated {
-          range = PostgresqlRange.create!(ts_range: "(''2010-01-01 14:30'', ''2011-01-01 14:30'']")
-          assert_equal Time.send(tz, 2010, 1, 1, 14, 30, 1)..Time.send(tz, 2011, 1, 1, 14, 30, 0), range.ts_range
-        }
-        assert_deprecated {
-          range = PostgresqlRange.create!(tstz_range: "(''2010-01-01 14:30:00+05'', ''2011-01-01 14:30:00-03'']")
-          assert_equal Time.parse('2010-01-01 09:30:01 UTC')..Time.parse('2011-01-01 17:30:00 UTC'), range.tstz_range
-        }
-        assert_deprecated {
-          range = PostgresqlRange.create!(int4_range: "(1, 10]")
-          assert_equal 2..10, range.int4_range
-        }
-        assert_deprecated {
-          range = PostgresqlRange.create!(int8_range: "(10, 100]")
-          assert_equal 11..100, range.int8_range
-        }
-      }
-    end
-
     def test_exclude_beginning_for_subtypes_without_succ_method_is_not_supported
       assert_raises(ArgumentError) { PostgresqlRange.create!(num_range: "(0.1, 0.2]") }
       assert_raises(ArgumentError) { PostgresqlRange.create!(float_range: "(0.5, 0.7]") }
+      assert_raises(ArgumentError) { PostgresqlRange.create!(int4_range: "(1, 10]") }
+      assert_raises(ArgumentError) { PostgresqlRange.create!(int8_range: "(10, 100]") }
+      assert_raises(ArgumentError) { PostgresqlRange.create!(date_range: "(''2012-01-02'', ''2012-01-04'']") }
+      assert_raises(ArgumentError) { PostgresqlRange.create!(ts_range: "(''2010-01-01 14:30'', ''2011-01-01 14:30'']") }
+      assert_raises(ArgumentError) { PostgresqlRange.create!(tstz_range: "(''2010-01-01 14:30:00+05'', ''2011-01-01 14:30:00-03'']") }
     end
 
     def test_update_all_with_ranges