@Override
  @SuppressWarnings("unchecked") // TODO(kevinb): the right way to explain this??
  public int compare(Comparable<?> left, Comparable<?> right) {
    checkNotNull(left); // for GWT
    checkNotNull(right);
    return ((Comparable<Object>) left).compareTo(right);
  }

  @Override
  @SuppressWarnings("unchecked") // TODO(kevinb): the right way to explain this??
  public <S extends Comparable<?>> Ordering<@Nullable S> nullsFirst() {

            }
            if (terminateAfter > 0) {
                builder.setTerminateAfter(terminateAfter);
            }
        }

        public void setExplain(boolean explain) {
            this.explain = explain;
        }

        public void setMinScore(float minScore) {
            this.minScore = minScore;
        }

        public void setPreference(String preference) {

            }
            if (terminateAfter > 0) {
                builder.setTerminateAfter(terminateAfter);
            }
        }

        public void setExplain(boolean explain) {
            this.explain = explain;
        }

        public void setMinScore(float minScore) {
            this.minScore = minScore;
        }

        public void setPreference(String preference) {

            }
            if (terminateAfter > 0) {
                builder.setTerminateAfter(terminateAfter);
            }
        }

        public void setExplain(boolean explain) {
            this.explain = explain;
        }

        public void setMinScore(float minScore) {
            this.minScore = minScore;
        }

        public void setPreference(String preference) {

func (ageFloat) String() string {
	return "age"
}

func TestExplainSQL(t *testing.T) {
	user := *GetUser("explain-sql", Config{})
	dryRunDB := DB.Session(&gorm.Session{DryRun: true})

	stmt := dryRunDB.Model(&user).Where("id = ?", 1).Updates(map[string]interface{}{"age": ageInt(8)}).Statement
	sql := DB.Dialector.Explain(stmt.SQL.String(), stmt.Vars...)
	if !regexp.MustCompile(`.*age.*=8,`).MatchString(sql) {

			}

			writer.WriteByte(v)
		}
		shiftDelimiter++
	}

	if continuousBacktick > 0 && !selfQuoted {
		writer.WriteString("``")
	}
	writer.WriteByte('`')
}

func (DummyDialector) Explain(sql string, vars ...interface{}) string {
	return logger.ExplainSQL(sql, nil, `"`, vars...)
}

func (DummyDialector) DataTypeOf(*schema.Field) string {
	return ""
}

2. Click on '....'
3. Scroll down to '....'
4. See error

**Expected behavior**
A clear and concise description of what you expected to happen.

**Screenshots**
If applicable, add screenshots to help explain your problem.

**Environment (please complete the following information):**
 - OS: [e.g. Windows 10]
 - Browser [e.g. chrome, safari]
 - Version [e.g. 13.5.0]

**Additional context**

<!--- If you're suggesting a change/improvement, tell us how it should work -->

## Current Behavior
<!--- If describing a bug, tell us what happens instead of the expected behavior -->
<!--- If suggesting a change/improvement, explain the difference from current behavior -->

## Possible Solution
<!--- Not obligatory, but suggest a fix/reason for the bug, -->
<!--- or ideas how to implement the addition or change -->

## Steps to Reproduce (for bugs)

<!--- If you're suggesting a change/improvement, tell us how it should work -->

## Current Behavior
<!--- If describing a bug, tell us what happens instead of the expected behavior -->
<!--- If suggesting a change/improvement, explain the difference from current behavior -->

## Possible Solution
<!--- Not obligatory, but suggest a fix/reason for the bug, -->
<!--- or ideas how to implement the addition or change -->

## Steps to Reproduce (for bugs)

    // ordering.reverse() might be optimized, so let it do its thing
    return ordering.<T>reverse().<@NonNull S>nullsLast();
  }

  @SuppressWarnings("unchecked") // still need the right way to explain this
  @Override
  public <S extends @Nullable T> Ordering<@Nullable S> nullsFirst() {
    return (Ordering<@Nullable S>) this;
  }

  @Override
  public <S extends @Nullable T> Ordering<@Nullable S> nullsLast() {