docs: public void getTablesAndIndexes(Map<String, StmtTargetTableScan> tablesRead,
              Collection<String> indexes)
      {
          for (AbstractPlanNode node : m_inlineNodes.values()) {
              node.getTablesAndIndexes(tablesRead, indexes);
          }
          for (AbstractPlanNode node : m_children) {
              node.getTablesAndIndexes(tablesRead, indexes);
          }
          getTablesAndIndexesFromSubqueries(tablesRead, indexes);
      }