Examples of com.foundationdb.qp.rowtype.TableRowType.ancestorOf()

                ArgumentValidation.isTrue("flag == API.InputPreservationOption.DISCARD_INPUT",
                                          flag == API.InputPreservationOption.DISCARD_INPUT);
                outputInputTable = true;
            } else if (outputRowType.ancestorOf(tableRowType)) {
                ancestors.add(outputRowType.table());
            } else if (tableRowType.ancestorOf(outputRowType)) {
                if (branchOutputRowTypes == null)
                    branchOutputRowTypes = new ArrayList<>();
                branchOutputRowTypes.add(outputRowType);
                if (branchRoot != inputTable) {
                    // Get immediate child of input above desired output.

            if ((rowType == indexedRowType) ||
                rowType.ancestorOf(indexedRowType)) {
                Integer ancestorDepth = rowType.table().getDepth();
                ancestorRowTypes.put(rowType, ancestorDepth);
            }
            else if (indexedRowType.ancestorOf(rowType)) {
                descendantRowTypes.add(rowType);
            }
            else {
                assert false : "Not ancestor or descendant " + rowType;
            }

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