pushCombinedEntry = function(outerEntry, row) {
    var innerEntry = new lf.proc.RelationEntry(
        /** @type {!lf.Row} */ (row), innerRelationTables.length > 1);
    var combinedEntry = lf.proc.RelationEntry.combineEntries(
        outerEntry, outerRelationTables,
        innerEntry, innerRelationTables);
    combinedEntries.push(combinedEntry);
  }
Generates and pushes a new combined entry to the results.
@param {!lf.proc.RelationEntry} outerEntry
@param {!lf.Row} row The row corresponding to the inner entry.