Revert "Fix #microseconds conversion and #fast_string_to_time"

This reverts commit 717a2941e15b32d07cc456bb0d81742ecfc5b4a3. Bunch of failures when running postgresql tests.

1 files changed, 0 insertions, 43 deletions

diff --git a/activerecord/test/cases/schema_definitions_test.rb b/activerecord/test/cases/schema_definitions_test.rb
deleted file mode 100644
index d90a95cf58..0000000000
--- a/activerecord/test/cases/schema_definitions_test.rb
+++ /dev/null
@@ -1,43 +0,0 @@
-require "cases/helper"
-
-class SchemaDefinitionsTest < ActiveRecord::TestCase
-
-  REGRESSION_SAMPLES = %w{000249 125014 003912 256051 524287}
-
-  test 'fast_string_to_time converts properly' do
-    converted = ActiveRecord::ConnectionAdapters::Column.send('fast_string_to_time', "2010-01-12 12:34:56.000249")
-    assert_equal Time.mktime(2010, 01, 12, 12, 34, 56, 249), converted
-  end
-
-  test 'fallback_string_to_time converts properly' do
-    converted = ActiveRecord::ConnectionAdapters::Column.send('fallback_string_to_time', "2010-01-12 12:34:56.000249")
-    assert_equal Time.mktime(2010, 01, 12, 12, 34, 56, 249), converted
-  end
-
-  test 'fallback_string_to_time converts properly with no microseconds' do
-    converted = ActiveRecord::ConnectionAdapters::Column.send('fallback_string_to_time', "2010-01-12 12:34:56")
-    assert_equal Time.mktime(2010, 01, 12, 12, 34, 56, 0), converted
-  end
-
-  test "fast_string_to_time can handle problematic microseconds" do
-    REGRESSION_SAMPLES.each do |u|
-      converted = ActiveRecord::ConnectionAdapters::Column.send('fast_string_to_time', "2010-01-12 12:34:56.#{u}")
-      assert_equal u.to_i, converted.usec
-    end
-  end
-
-  test "microseconds can handle problematic microseconds" do
-    REGRESSION_SAMPLES.each do |u|
-      i = u.to_i
-      converted = ActiveRecord::ConnectionAdapters::Column.send('microseconds', {:sec_fraction => Rational(i, 1_000_000)})
-      assert_equal i, converted
-
-      converted = ActiveRecord::ConnectionAdapters::Column.send('microseconds', {:sec_fraction => Rational(i, 1_000_000)})
-      assert_equal i, converted
-    end
-  end
-
-  test 'fast constant is equally restrictive' do
-    assert_match ActiveRecord::ConnectionAdapters::Column::Format::NEW_ISO_DATETIME, "2010-01-12 12:34:56.555493"
-  end
-end