shizy818 commented on code in PR #14265:
URL: https://github.com/apache/iotdb/pull/14265#discussion_r1867241601
##########
iotdb-core/datanode/src/main/java/org/apache/iotdb/db/utils/datastructure/TVList.java:
##########
@@ -136,6 +186,105 @@ public long getTime(int index) {
return timestamps.get(arrayIndex)[elementIndex];
}
+ protected void set(int index, long timestamp, int value) {
+ if (index >= rowCount) {
+ throw new ArrayIndexOutOfBoundsException(index);
+ }
+ int arrayIndex = index / ARRAY_SIZE;
+ int elementIndex = index % ARRAY_SIZE;
+ timestamps.get(arrayIndex)[elementIndex] = timestamp;
+ indices.get(arrayIndex)[elementIndex] = value;
+ }
+
+ @SuppressWarnings("squid:S3776") // Suppress high Cognitive Complexity
warning
+ protected int[] cloneIndex(int[] array) {
+ int[] cloneArray = new int[array.length];
+ System.arraycopy(array, 0, cloneArray, 0, array.length);
+ return cloneArray;
+ }
+
+ /**
+ * Get the row index value in index column.
+ *
+ * @param index row index
+ */
+ public int getValueIndex(int index) {
+ if (index >= rowCount) {
+ throw new ArrayIndexOutOfBoundsException(index);
+ }
+ int arrayIndex = index / ARRAY_SIZE;
+ int elementIndex = index % ARRAY_SIZE;
+ return indices.get(arrayIndex)[elementIndex];
+ }
+
+ protected void markNullValue(int arrayIndex, int elementIndex) {
+ // init bitMap if doesn't have
+ if (bitMap == null) {
+ bitMap = new CopyOnWriteArrayList<>();
+ for (int i = 0; i < timestamps.size(); i++) {
+ bitMap.add(new BitMap(ARRAY_SIZE));
+ }
+ }
+ // if the bitmap in arrayIndex is null, init the bitmap
+ if (bitMap.get(arrayIndex) == null) {
+ bitMap.set(arrayIndex, new BitMap(ARRAY_SIZE));
+ }
+
+ // mark the null value in the current bitmap
+ bitMap.get(arrayIndex).mark(elementIndex);
+ }
+
+ /**
+ * Get whether value is null at the given position in TvList.
+ *
+ * @param rowIndex value index
+ * @return boolean
+ */
+ public boolean isNullValue(int rowIndex) {
+ if (rowIndex >= rowCount) {
+ return false;
+ }
Review Comment:
OK
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