gortiz commented on code in PR #10687:
URL: https://github.com/apache/pinot/pull/10687#discussion_r1176654326
##########
pinot-segment-local/src/main/java/org/apache/pinot/segment/local/indexsegment/mutable/MutableSegmentImpl.java:
##########
@@ -287,111 +281,67 @@ public boolean isMutableSegment() {
partitions.add(config.getPartitionId());
}
+ // TODO (mutable-index-spi): The comment above was here, but no check
was done.
+ // It seems the code that apply that check was removed around 2020.
Should we remove the comment?
// Check whether to generate raw index for the column while consuming
// Only support generating raw index on single-value columns that do not
have inverted index while
// consuming. After consumption completes and the segment is built, all
single-value columns can have raw index
- DataType storedType = fieldSpec.getDataType().getStoredType();
- boolean isFixedWidthColumn = storedType.isFixedWidth();
- MutableIndexProvider indexProvider =
IndexingOverrides.getMutableIndexProvider();
- MutableForwardIndex forwardIndex =
indexProvider.newForwardIndex(context.forForwardIndex(avgNumMultiValues));
// Dictionary-encoded column
- MutableDictionary dictionary = null;
+ MutableDictionary dictionary;
if (isDictionary) {
- int dictionaryColumnSize =
- isFixedWidthColumn ? storedType.size() :
_statsHistory.getEstimatedAvgColSize(column);
- // NOTE: preserve 10% buffer for cardinality to reduce the chance of
re-sizing the dictionary
- int estimatedCardinality = (int)
(_statsHistory.getEstimatedCardinality(column) * 1.1);
- dictionary =
indexProvider.newDictionary(context.forDictionary(dictionaryColumnSize,
estimatedCardinality));
- // Even though the column is defined as 'no-dictionary' in the config,
we did create dictionary for consuming
- // segment.
- noDictionaryColumns.remove(column);
- }
-
- // Inverted index
- MutableInvertedIndex invertedIndexReader =
- invertedIndexColumns.contains(column) ?
indexProvider.newInvertedIndex(context.forInvertedIndex()) : null;
-
- MutableTextIndex fstIndex = null;
- // FST Index
- if (_fieldConfigList != null && fstIndexColumns.contains(column)) {
- for (FieldConfig fieldConfig : _fieldConfigList) {
- if (fieldConfig.getName().equals(column)) {
- Map<String, String> properties = fieldConfig.getProperties();
- if (TextIndexUtils.isFstTypeNative(properties)) {
- fstIndex = new NativeMutableFSTIndex(column);
- }
- }
+ DictionaryIndexConfig dictionaryIndexConfig =
indexConfigs.getConfig(StandardIndexes.dictionary());
+ if (dictionaryIndexConfig.isDisabled()) {
+ dictionaryIndexConfig = DictionaryIndexConfig.DEFAULT;
}
- }
-
- // Text index
- MutableTextIndex textIndex;
- List<String> stopWordsInclude = null;
- List<String> stopWordsExclude = null;
- if (textIndexColumns.contains(column)) {
- boolean useNativeTextIndex = false;
- if (_fieldConfigList != null) {
- for (FieldConfig fieldConfig : _fieldConfigList) {
- if (fieldConfig.getName().equals(column)) {
- Map<String, String> properties = fieldConfig.getProperties();
- stopWordsInclude =
TextIndexUtils.extractStopWordsInclude(properties);
- stopWordsExclude =
TextIndexUtils.extractStopWordsExclude(properties);
- if (TextIndexUtils.isFstTypeNative(properties)) {
- useNativeTextIndex = true;
- }
- }
+ dictionary = DictionaryIndexType.createMutableDictionary(context,
dictionaryIndexConfig);
+ } else {
+ dictionary = null;
+ if (!fieldSpec.isSingleValueField()) {
+ // Raw MV columns
+ DataType dataType = fieldSpec.getDataType().getStoredType();
+ switch (dataType) {
+ case INT:
+ case LONG:
+ case FLOAT:
+ case DOUBLE:
+ break;
+ default:
+ throw new UnsupportedOperationException(
+ "Unsupported data type: " + dataType + " for MV
no-dictionary column: " + column);
Review Comment:
This is the check I've moved from addNewRow
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