// of that logical operator, will process in required fields processing
// section
for (Pair<Integer, Integer> relevantField : relevantFields.getFields())
{
MapKeysInfo mapKeysInfo = getMapKeysInPlan(forEachPlan, relevantField.second);
relevantFields.mergeMapKeysInfo(0, relevantField.second, mapKeysInfo);
}
}
else
{
// For all other logical operators, we have one output column mapping to one or more input column.