sql/src/main/java/org/apache/druid/sql/calcite/rule/DruidJoinRule.java
/**
   * Returns whether {@link #analyzeCondition} would return something.
   */
Returns whether  #analyzeCondition would return something.
Returns whether #analyzeCondition would return something .
@VisibleForTesting
  boolean canHandleCondition(final RexNode condition, final RelDataType leftRowType, DruidRel<?> right)
  {
    return analyzeCondition(condition, leftRowType, right).isPresent();
  }
@ VisibleForTesting boolean canHandleCondition ( final RexNode condition , final RelDataType leftRowType , DruidRel < ? > right ) { return analyzeCondition ( condition , leftRowType , right ) . isPresent ( ) ; }
Returns whether {@link #analyzeCondition} would return something.
Returns whether { @link #analyzeCondition } would return something .