Github user lionelcao commented on a diff in the pull request:
https://github.com/apache/carbondata/pull/1105#discussion_r126328284
--- Diff:
core/src/main/java/org/apache/carbondata/core/scan/filter/partition/PartitionFilterUtil.java
---
@@ -264,4 +265,81 @@ public static BitSet
getPartitionMapForRangeFilter(PartitionInfo partitionInfo,
return partitionMap;
}
+ /**
+ * get partition map of range interval filter on range interval
partition table
+ * @param partitionInfo
+ * @param partitioner
+ * @param filterValue
+ * @param isGreaterThan
+ * @param isEqualTo
+ * @return
+ */
+ public static BitSet getPartitionMapForRangeIntervalFilter(PartitionInfo
partitionInfo,
+ RangeIntervalPartitioner partitioner, Object filterValue,
+ boolean isGreaterThan, boolean isEqualTo,
+ DateFormat timestampFormatter, DateFormat dateFormatter) {
+
+ List<String> values = partitionInfo.getRangeInfo();
+ DataType partitionColumnDataType =
partitionInfo.getColumnSchemaList().get(0).getDataType();
+
+ Comparator comparator =
+
PartitionFilterUtil.getComparatorByDataType(partitionColumnDataType);
+
+ BitSet partitionMap = PartitionUtil
+ .generateBitSetBySize(partitioner.numPartitions(), false);
+
+ int numPartitions = values.size() - 1;
+ int result = 0;
+ // the partition index of filter value
+ int partitionIndex = 0;
+ // find the partition of filter value
+ for (; partitionIndex < numPartitions; partitionIndex++) {
+ result = comparator.compare(filterValue,
PartitionUtil.getDataBasedOnDataType(
+ values.get(partitionIndex), partitionColumnDataType,
timestampFormatter, dateFormatter));
+ if (result <= 0) {
+ break;
+ }
+ }
+ if (partitionIndex == numPartitions) {
+ // filter value is not in given partition, should get partitionId
dynamically
+ int partitionId = partitioner.getPartition(filterValue);
--- End diff --
this should be partition index
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