siddharthteotia commented on code in PR #12223:
URL: https://github.com/apache/pinot/pull/12223#discussion_r1462869573
##########
pinot-segment-local/src/main/java/org/apache/pinot/segment/local/segment/index/dictionary/DictionaryIndexType.java:
##########
@@ -308,7 +321,20 @@ public static Dictionary read(PinotDataBuffer dataBuffer,
ColumnMetadata metadat
: new BigDecimalDictionary(dataBuffer, length, numBytesPerValue);
case STRING:
numBytesPerValue = metadata.getColumnMaxLength();
- return loadOnHeap ? new OnHeapStringDictionary(dataBuffer, length,
numBytesPerValue)
+
+ // If interning is enabled, get the required interners.
+ FALFInterner<String> strInterner = null;
+ FALFInterner<byte[]> byteInterner = null;
+ Intern internConfig = indexConfig.getIntern();
+ if (internConfig != null && !internConfig.isDisabled()) {
+ Preconditions.checkState(loadOnHeap, "Interning is only supported
for on-heap dictionaries.");
Review Comment:
Do we explicitly ensure with a test that setting intern config for off-heap
dictionary will throw error / unsupported ?
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