Github user sounakr commented on a diff in the pull request:
https://github.com/apache/carbondata/pull/1079#discussion_r125191734
--- Diff:
core/src/main/java/org/apache/carbondata/core/scan/filter/executer/RowLevelRangeGrtThanFiterExecuterImpl.java
---
@@ -74,80 +87,205 @@ private void ifDefaultValueMatchesFilter() {
}
}
}
+ } else if (!msrColEvalutorInfoList.isEmpty() &&
!isMeasurePresentInCurrentBlock[0]) {
+ CarbonMeasure measure =
this.msrColEvalutorInfoList.get(0).getMeasure();
+ byte[] defaultValue = measure.getDefaultValue();
+ if (null != defaultValue) {
+ for (int k = 0; k < filterRangeValues.length; k++) {
+ int maxCompare =
+
ByteUtil.UnsafeComparer.INSTANCE.compareTo(filterRangeValues[k], defaultValue);
+ if (maxCompare < 0) {
+ isDefaultValuePresentInFilter = true;
+ break;
+ }
+ }
+ }
}
}
@Override public BitSet isScanRequired(byte[][] blockMaxValue, byte[][]
blockMinValue) {
BitSet bitSet = new BitSet(1);
- boolean isScanRequired =
- isScanRequired(blockMaxValue[dimensionBlocksIndex[0]],
filterRangeValues);
+ boolean isScanRequired = false;
+ byte[] maxValue = null;
+ if (isMeasurePresentInCurrentBlock[0] ||
isDimensionPresentInCurrentBlock[0]) {
+ if (isMeasurePresentInCurrentBlock[0]) {
+ maxValue = blockMaxValue[measureBlocksIndex[0] +
lastDimensionColOrdinal];
+ isScanRequired =
+ isScanRequired(maxValue, filterRangeValues,
msrColEvalutorInfoList.get(0).getType());
+ } else {
+ maxValue = blockMaxValue[dimensionBlocksIndex[0]];
+ isScanRequired = isScanRequired(maxValue, filterRangeValues);
+ }
+ } else {
+ isScanRequired = isDefaultValuePresentInFilter;
+ }
+
if (isScanRequired) {
bitSet.set(0);
}
return bitSet;
}
+
private boolean isScanRequired(byte[] blockMaxValue, byte[][]
filterValues) {
boolean isScanRequired = false;
- if (isDimensionPresentInCurrentBlock[0]) {
- for (int k = 0; k < filterValues.length; k++) {
- // filter value should be in range of max and min value i.e
- // max>filtervalue>min
- // so filter-max should be negative
- int maxCompare =
ByteUtil.UnsafeComparer.INSTANCE.compareTo(filterValues[k], blockMaxValue);
- // if any filter value is in range than this block needs to be
- // scanned means always less than block max range.
- if (maxCompare < 0) {
- isScanRequired = true;
- break;
- }
+ for (int k = 0; k < filterValues.length; k++) {
+ // filter value should be in range of max and min value i.e
+ // max>filtervalue>min
+ // so filter-max should be negative
+ int maxCompare =
ByteUtil.UnsafeComparer.INSTANCE.compareTo(filterValues[k], blockMaxValue);
+ // if any filter value is in range than this block needs to be
+ // scanned less than equal to max range.
+ if (maxCompare < 0) {
+ isScanRequired = true;
+ break;
}
- } else {
- isScanRequired = isDefaultValuePresentInFilter;
}
return isScanRequired;
}
+ private boolean isScanRequired(byte[] maxValue, byte[][] filterValue,
+ DataType dataType) {
+ for (int i = 0; i < filterValue.length; i++) {
+ if (filterValue[i].length == 0 || maxValue.length == 0) {
+ return isScanRequired(maxValue, filterValue);
+ }
+ switch (dataType) {
--- End diff --
In Line 150 is a special Null Value case, rest of the cases comparator is
being used.
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