public void visit()

in zetasql-toolkit-core/src/main/java/com/google/zetasql/toolkit/tools/lineage/ParentColumnFinder.java [184:203]

• 14 lines of code
• 2 McCabe index (conditional complexity)

  public void visit(ResolvedComputedColumn computedColumn) {
    // When visiting a resolved column, register it in the columnsToParents Map together with
    // its direct parents.

    ResolvedColumn column = computedColumn.getColumn();
    ResolvedExpr expression = computedColumn.getExpr();

    columnsBeingComputed.push(column);

    if (expression instanceof ResolvedMakeStruct) {
      expandMakeStruct(column, (ResolvedMakeStruct) expression);
    } else {
      List<ResolvedColumn> expressionParents =
          ExpressionParentFinder.findDirectParentsForExpression(expression);
      columnsBeingComputed.forEach(
          columnBeingComputed -> addParentsToColumn(columnBeingComputed, expressionParents));
    }

    columnsBeingComputed.pop();
  }