shaofengshi closed pull request #322: KYLIN-3644 Fix SparkFactDistinct step
NumberFormatException
URL: https://github.com/apache/kylin/pull/322
This is a PR merged from a forked repository.
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diff --git
a/core-cube/src/main/java/org/apache/kylin/cube/util/KeyValueBuilder.java
b/core-cube/src/main/java/org/apache/kylin/cube/util/KeyValueBuilder.java
index 0ba4fd8ed1..0636a5c343 100644
--- a/core-cube/src/main/java/org/apache/kylin/cube/util/KeyValueBuilder.java
+++ b/core-cube/src/main/java/org/apache/kylin/cube/util/KeyValueBuilder.java
@@ -56,7 +56,7 @@ private void initNullStrings() {
}
}
- protected boolean isNull(String v) {
+ public boolean isNull(String v) {
return nullStrs.contains(v);
}
diff --git
a/engine-spark/src/main/java/org/apache/kylin/engine/spark/SparkFactDistinct.java
b/engine-spark/src/main/java/org/apache/kylin/engine/spark/SparkFactDistinct.java
index 5cfd2d7ccb..cdd0ac22d7 100644
---
a/engine-spark/src/main/java/org/apache/kylin/engine/spark/SparkFactDistinct.java
+++
b/engine-spark/src/main/java/org/apache/kylin/engine/spark/SparkFactDistinct.java
@@ -63,6 +63,7 @@
import org.apache.kylin.cube.cuboid.CuboidUtil;
import org.apache.kylin.cube.model.CubeDesc;
import org.apache.kylin.cube.model.CubeJoinedFlatTableEnrich;
+import org.apache.kylin.cube.util.KeyValueBuilder;
import org.apache.kylin.dict.DictionaryGenerator;
import org.apache.kylin.dict.IDictionaryBuilder;
import org.apache.kylin.engine.EngineFactory;
@@ -250,6 +251,7 @@ protected void execute(OptionsHelper optionsHelper) throws
Exception {
private Map<Integer, DimensionRangeInfo> dimensionRangeInfoMap;
private transient ByteBuffer tmpbuf;
private LongAccumulator bytesWritten;
+ private KeyValueBuilder keyValueBuilder;
public FlatOutputFucntion(String cubeName, String segmentId, String
metaurl, SerializableConfiguration conf,
int samplingPercent, LongAccumulator bytesWritten) {
@@ -272,6 +274,7 @@ private void init() {
CubeJoinedFlatTableEnrich intermediateTableDesc = new
CubeJoinedFlatTableEnrich(
EngineFactory.getJoinedFlatTableDesc(cubeSegment),
cubeDesc);
+ keyValueBuilder = new KeyValueBuilder(intermediateTableDesc);
reducerMapping = new
FactDistinctColumnsReducerMapping(cubeInstance);
tmpbuf = ByteBuffer.allocate(4096);
@@ -317,7 +320,7 @@ private void init() {
for (int i = 0; i < allCols.size(); i++) {
String fieldValue = row[columnIndex[i]];
- if (fieldValue == null)
+ if (fieldValue == null ||
keyValueBuilder.isNull(fieldValue))
continue;
final DataType type = allCols.get(i).getType();
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