klsince commented on code in PR #10687:
URL: https://github.com/apache/pinot/pull/10687#discussion_r1187969432
##########
pinot-segment-local/src/main/java/org/apache/pinot/segment/local/indexsegment/mutable/MutableSegmentImpl.java:
##########
@@ -287,111 +282,67 @@ 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;
Review Comment:
why still assign DEFAULT to dictionaryIndexConfig when it's disabled? I see
the DEFAULT is `disabled` too.
##########
pinot-segment-spi/src/main/java/org/apache/pinot/segment/spi/index/mutable/provider/MutableIndexContext.java:
##########
@@ -18,36 +18,97 @@
*/
package org.apache.pinot.segment.spi.index.mutable.provider;
+import java.io.File;
import java.util.Objects;
+import javax.annotation.Nullable;
import org.apache.pinot.segment.spi.memory.PinotDataBufferMemoryManager;
-import org.apache.pinot.spi.config.table.JsonIndexConfig;
import org.apache.pinot.spi.data.FieldSpec;
-public interface MutableIndexContext {
- PinotDataBufferMemoryManager getMemoryManager();
+public class MutableIndexContext {
Review Comment:
pardon me, what's the new fixes you pushed? got a link to them?
##########
pinot-segment-local/src/main/java/org/apache/pinot/segment/local/indexsegment/mutable/MutableSegmentImpl.java:
##########
@@ -637,23 +595,23 @@ private void addNewRow(int docId, GenericRow row) {
// Update numValues info
indexContainer._valuesInfo.updateSVNumValues();
- MutableForwardIndex forwardIndex = indexContainer._forwardIndex;
+ MutableIndex forwardIndex =
indexContainer._mutableIndexes.get(StandardIndexes.forward());
FieldSpec fieldSpec = indexContainer._fieldSpec;
DataType dataType = fieldSpec.getDataType();
value =
indexContainer._valueAggregator.getInitialAggregatedValue(value);
switch (dataType.getStoredType()) {
Review Comment:
got it. this detail can use some comments here.
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