in zetasql-toolkit-core/src/main/java/com/google/zetasql/toolkit/tools/lineage/ParentColumnFinder.java [307:316]
public void visit(ResolvedArrayScan arrayScan) {
ResolvedColumn elementColumn = arrayScan.getElementColumn();
columnsBeingComputed.push(elementColumn);
arrayScan.getArrayExpr().accept(this);
columnsBeingComputed.pop();
if (arrayScan.getInputScan() != null) {
arrayScan.getInputScan().accept(this);
}
}