Jackie-Jiang commented on a change in pull request #8140:
URL: https://github.com/apache/pinot/pull/8140#discussion_r800992938
##########
File path:
pinot-core/src/main/java/org/apache/pinot/core/common/DataBlockCache.java
##########
@@ -462,28 +452,15 @@ public void fillValues(String column, TransformEvaluator
evaluator, String[][] b
return numValues;
}
- /**
- * Helper class to store pair of column name and data type.
- */
- private static class ColumnTypePair {
- final String _column;
- final FieldSpec.DataType _dataType;
-
- ColumnTypePair(@Nonnull String column, @Nonnull FieldSpec.DataType
dataType) {
- _column = column;
- _dataType = dataType;
- }
+ private boolean markLoaded(FieldSpec.DataType dataType, String column) {
+ return _columnValueLoaded.computeIfAbsent(dataType, k -> new
HashSet<>()).add(column);
+ }
- @Override
- public int hashCode() {
- return EqualityUtils.hashCodeOf(_column.hashCode(),
_dataType.hashCode());
- }
+ private <T> T getValues(@Nonnull FieldSpec.DataType dataType, @Nonnull
String column) {
Review comment:
(minor) We don't usually annotate `Nonnull` but only annotate `Nullable`
and assume all un-annotated parameters are non-null
##########
File path:
pinot-core/src/main/java/org/apache/pinot/core/common/DataBlockCache.java
##########
@@ -67,7 +67,9 @@ public void initNewBlock(int[] docIds, int length) {
_length = length;
_columnDictIdLoaded.clear();
- _columnValueLoaded.clear();
+ for (Set<String> column : _columnValueLoaded.values()) {
Review comment:
(minor)
```suggestion
for (Set<String> columns : _columnValueLoaded.values()) {
```
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