Github user mayunSaicmotor commented on a diff in the pull request:
https://github.com/apache/incubator-carbondata/pull/638#discussion_r105522667
--- Diff:
core/src/main/java/org/apache/carbondata/core/scan/filter/executer/IncludeFilterExecuterImpl.java
---
@@ -150,12 +138,15 @@ private BitSet
setFilterdIndexToBitSet(DimensionColumnDataChunk dimensionColumnD
BitSet bitSet = new BitSet(numerOfRows);
if (dimensionColumnDataChunk instanceof FixedLengthDimensionDataChunk)
{
byte[][] filterValues = dimColumnExecuterInfo.getFilterKeys();
- for (int k = 0; k < filterValues.length; k++) {
- for (int j = 0; j < numerOfRows; j++) {
- if (dimensionColumnDataChunk.compareTo(j, filterValues[k]) == 0)
{
- bitSet.set(j);
- }
+ for (int i = 0; i < numerOfRows; i++) {
+
+ int index = CarbonUtil.binarySearch(filterValues, 0,
filterValues.length,
--- End diff --
@ravipesala, If put the if clause out of the for clause, it is better?
` private BitSet setFilterdIndexToBitSet(DimensionColumnDataChunk
dimensionColumnDataChunk,
int numerOfRows) {
BitSet bitSet = new BitSet(numerOfRows);
if (dimensionColumnDataChunk instanceof FixedLengthDimensionDataChunk) {
byte[][] filterValues = dimColumnExecuterInfo.getFilterKeys();
if (filterValues.length > 1) {
for (int i = 0; i < numerOfRows; i++) {
int index = CarbonUtil.binarySearch(filterValues, 0,
filterValues.length - 1,
dimensionColumnDataChunk.getChunkData(i));
if (index >= 0) {
bitSet.set(i);
}
}
} else if (filterValues.length == 1) {
for (int i = 0; i < numerOfRows; i++) {
if (dimensionColumnDataChunk.compareTo(i, filterValues[0]) == 0) {
bitSet.set(i);
}
}
}
}
return bitSet;
}`
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