qiaojialin commented on a change in pull request #818: [IOTDB-482] Vectorized
TimeGenerator
URL: https://github.com/apache/incubator-iotdb/pull/818#discussion_r380046308
##########
File path:
tsfile/src/main/java/org/apache/iotdb/tsfile/read/query/timegenerator/node/AndNode.java
##########
@@ -45,42 +50,78 @@ public boolean hasNext() throws IOException {
if (hasCachedValue) {
return true;
}
- if (leftChild.hasNext() && rightChild.hasNext()) {
- long leftValue = leftChild.next();
- long rightValue = rightChild.next();
- while (true) {
- if (leftValue == rightValue) {
- this.hasCachedValue = true;
- this.cachedValue = leftValue;
- return true;
- } else if (leftValue > rightValue) {
- if (rightChild.hasNext()) {
- rightValue = rightChild.next();
- } else {
- return false;
- }
- } else { // leftValue < rightValue
- if (leftChild.hasNext()) {
- leftValue = leftChild.next();
- } else {
- return false;
- }
+ cachedValue = new TimeSeries(1000);
+ //fill data
+ fillLeftData();
+ fillRightData();
+ /*
+ * [1,2,3,4,5] <- that was stopBatchTime mean
+ * [1,2,3,4,5,6]
+ */
+ long stopBatchTime = getStopBatchTime();
+
+ while (leftPageData.hasMoreData() && rightPageData.hasMoreData()) {
+ long leftValue = leftPageData.currentTime();
+ long rightValue = rightPageData.currentTime();
+ if (leftValue == rightValue) {
+ this.hasCachedValue = true;
+ this.cachedValue.add(leftValue);
+ leftPageData.next();
+ rightPageData.next();
+ } else if (leftValue > rightValue) {
+ rightPageData.next();
+ } else { // leftValue < rightValue
+ leftPageData.next();
+ }
+
+ if (leftValue > stopBatchTime && rightValue > stopBatchTime) {
Review comment:
if stop time is 4, the time 5 seems could be cached at this round
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