emkornfield commented on a change in pull request #10983:
URL: https://github.com/apache/arrow/pull/10983#discussion_r700732056
##########
File path:
java/adapter/jdbc/src/main/java/org/apache/arrow/adapter/jdbc/ArrowVectorIterator.java
##########
@@ -137,48 +139,46 @@ private VectorSchemaRoot createVectorSchemaRoot() {
// Loads the next schema root or null if no more rows are available.
private void load(VectorSchemaRoot root) throws SQLException {
-
- for (int i = 1; i <= consumers.length; i++) {
- consumers[i -
1].resetValueVector(root.getVector(rsmd.getColumnLabel(i)));
+ for (int i = 0; i < consumers.length; i++) {
+ consumers[i].resetValueVector(root.getVector(i));
}
consumeData(root);
-
- if (root.getRowCount() == 0) {
- root.close();
- nextBatch = null;
- } else {
- nextBatch = root;
- }
}
@Override
public boolean hasNext() {
- return nextBatch != null;
+ try {
+ return !resultSet.isAfterLast();
Review comment:
is this guaranteed to be implemented by most JDBC providers?
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