belugabehr commented on a change in pull request #1063:
URL: https://github.com/apache/hive/pull/1063#discussion_r436136581
##########
File path:
storage-api/src/java/org/apache/hadoop/hive/common/io/encoded/EncodedColumnBatch.java
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@@ -78,13 +79,21 @@ public void setIndexBaseOffset(int indexBaseOffset) {
@Override
public String toString() {
- String bufStr = "";
+ StringBuilder sb = new StringBuilder();
if (cacheBuffers != null) {
- for (MemoryBuffer mb : cacheBuffers) {
- bufStr += mb.getClass().getSimpleName() + " with " +
mb.getByteBufferRaw().remaining() + " bytes, ";
+ Iterator<MemoryBuffer> iter = cacheBuffers.iterator();
+ while (iter.hasNext()) {
+ MemoryBuffer mb = iter.next();
+ sb.append(mb.getClass().getSimpleName());
+ sb.append(" with ");
+ sb.append(mb.getByteBufferRaw().remaining());
+ sb.append(" bytes");
+ if (iter.hasNext()) {
+ sb.append(", ");
Review comment:
Will have to check this. I think from my own patch experience, that
this change might break a bunch of unit tests because they are checking the
output of `toString()` which previously always adds a comma, even if it's not
really needed. I'm not 100%, but just FYI.
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