Method isPoints

core/src/main/java/org/apache/calcite/util/Sarg.java:234–236

Returns whether this Sarg is a collection of 1 or more points (and perhaps an IS NULL if nullAs == RexUnknownAs.TRUE). Such sargs could be translated as ref = value or ref IN (value1, ...).

()

   * <p>Such sargs could be translated as {@code ref = value}
   * or {@code ref IN (value1, ...)}. */
  public boolean isPoints() {
    return pointCount == rangeSet.asRanges().size();
  }

  /** Returns whether this Sarg, when negated, is a collection of 1 or more
   * points (and perhaps an {@code IS NULL} if