Pushing additional filters for disjunction of expressions past JOIN

SELECT * FROM t1 JOIN t2 ON T1.COLUMN = T2.COLUMN WHERE
(PC = X AND <other filters>) OR (PC = Y AND <some other filters>)

  @Test
  public void testForOrOperatorTestOr() throws Exception {
    String query = String.format("SELECT * FROM %s t1 " +
            "JOIN %s t2 ON t1.`month` = t2.`month` " +
            "WHERE ((t1.`period` = 4 AND t2.`year` = 1991) OR (t1.`period` = 3 AND t1.`year` = 1991)) ",
        FIRST_TABLE_NAME, SECOND_TABLE_NAME);

    final String[] expectedPlan = {"first.*numRowGroups=2", "second.*numRowGroups=1"};
    testPlanMatchingPatterns(query, expectedPlan);
  }

LogicalProject(**=[$0], **0=[$4])
  LogicalFilter(condition=[OR(AND(=($2, 4), =($6, 1991)), AND(=($2, 3), =($3, 1991)))])
    LogicalJoin(condition=[=($1, $5)], joinType=[inner])
      EnumerableTableScan(table=[[dfs, parquetFilterPush/transitiveClosure/first]])
      EnumerableTableScan(table=[[dfs, parquetFilterPush/transitiveClosure/second]])