合并OR谓词

-- With Settings.transformPatternsMergeOrComparison active, this:
SELECT
  x = a OR x > a,
  x = a OR x < a,
  x > a OR x < a,
  x > a OR x != a,
  x < a OR x != a
  -- And many more
FROM tab;

-- ... is transformed into the equivalent expression:
SELECT
  x >= a, -- x = a OR x > a
  x <= a, -- x = a OR x < a
  x != a, -- x > a OR x < a
  x != a, -- x > a OR x != a
  x != a  -- x < a OR x != a
  -- And many more
FROM tab;