Github user jackylk commented on a diff in the pull request:
https://github.com/apache/carbondata/pull/2191#discussion_r183305545
--- Diff:
core/src/main/java/org/apache/carbondata/core/scan/collector/impl/RestructureBasedRawResultCollector.java
---
@@ -150,105 +155,110 @@ private void initCurrentBlockKeyGenerator() {
* it will keep track of how many record is processed, to handle limit
scenario
*/
@Override public List<Object[]> collectData(AbstractScannedResult
scannedResult, int batchSize) {
+ long startTime = System.currentTimeMillis();
List<Object[]> listBasedResult = new ArrayList<>(batchSize);
QueryMeasure[] queryMeasures =
tableBlockExecutionInfos.getActualQueryMeasures();
// scan the record and add to list
- int rowCounter = 0;
- while (scannedResult.hasNext() && rowCounter < batchSize) {
- scanResultAndGetData(scannedResult);
- if
(scannedResult.containsDeletedRow(scannedResult.getCurrentRowId())) {
- continue;
- }
- // re-fill dictionary and no dictionary key arrays for the newly
added columns
- if (dimensionInfo.isDictionaryColumnAdded()) {
- dictionaryKeyArray =
fillDictionaryKeyArrayWithLatestSchema(dictionaryKeyArray);
- }
- if (dimensionInfo.isNoDictionaryColumnAdded()) {
- noDictionaryKeyArray =
fillNoDictionaryKeyArrayWithLatestSchema(noDictionaryKeyArray);
- }
- prepareRow(scannedResult, listBasedResult, queryMeasures);
- rowCounter++;
+ scanAndFillData(scannedResult, batchSize, listBasedResult,
queryMeasures);
+ // re-fill dictionary and no dictionary key arrays for the newly added
columns
+ if (dimensionInfo.isDictionaryColumnAdded()) {
+ fillDictionaryKeyArrayBatchWithLatestSchema(listBasedResult);
+ }
+ if (dimensionInfo.isNoDictionaryColumnAdded()) {
+ fillNoDictionaryKeyArrayBatchWithLatestSchema(listBasedResult);
}
+ QueryStatistic resultPrepTime =
queryStatisticsModel.getStatisticsTypeAndObjMap()
+ .get(QueryStatisticsConstants.RESULT_PREP_TIME);
+
resultPrepTime.addCountStatistic(QueryStatisticsConstants.RESULT_PREP_TIME,
+ resultPrepTime.getCount() + (System.currentTimeMillis() -
startTime));
return listBasedResult;
}
/**
* This method will fill the dictionary key array with newly added
dictionary columns if any
*
- * @param dictionaryKeyArray
+ * @param rows
* @return
*/
- private byte[] fillDictionaryKeyArrayWithLatestSchema(byte[]
dictionaryKeyArray) {
- QueryDimension[] actualQueryDimensions =
tableBlockExecutionInfos.getActualQueryDimensions();
- int newKeyArrayLength = dimensionInfo.getNewDictionaryColumnCount();
- long[] keyArray = null;
- if (null != updatedCurrentBlockKeyGenerator) {
- keyArray =
updatedCurrentBlockKeyGenerator.getKeyArray(dictionaryKeyArray);
- newKeyArrayLength += keyArray.length;
- }
- long[] keyArrayWithNewAddedColumns = new long[newKeyArrayLength];
- int existingColumnKeyArrayIndex = 0;
- int newKeyArrayIndex = 0;
- for (int i = 0; i < dimensionInfo.getDimensionExists().length; i++) {
- if (CarbonUtil
-
.hasEncoding(actualQueryDimensions[i].getDimension().getEncoder(),
Encoding.DICTIONARY)) {
- // if dimension exists then add the key array value else add the
default value
- if (dimensionInfo.getDimensionExists()[i]) {
- keyArrayWithNewAddedColumns[newKeyArrayIndex++] =
keyArray[existingColumnKeyArrayIndex++];
- } else {
- long defaultValueAsLong;
- Object defaultValue = dimensionInfo.getDefaultValues()[i];
- if (null != defaultValue) {
- defaultValueAsLong = ((Integer) defaultValue).longValue();
+ private void fillDictionaryKeyArrayBatchWithLatestSchema(List<Object[]>
rows) {
+ for (Object[] row : rows) {
+ ByteArrayWrapper byteArrayWrapper = (ByteArrayWrapper) row[0];
+ byte[] dictKeyArray = byteArrayWrapper.getDictionaryKey();
+ QueryDimension[] actualQueryDimensions =
tableBlockExecutionInfos.getActualQueryDimensions();
+ int newKeyArrayLength = dimensionInfo.getNewDictionaryColumnCount();
+ long[] keyArray = null;
+ if (null != updatedCurrentBlockKeyGenerator) {
+ keyArray =
updatedCurrentBlockKeyGenerator.getKeyArray(dictKeyArray);
+ newKeyArrayLength += keyArray.length;
+ }
+ long[] keyArrayWithNewAddedColumns = new long[newKeyArrayLength];
+ int existingColumnKeyArrayIndex = 0;
+ int newKeyArrayIndex = 0;
+ for (int i = 0; i < dimensionInfo.getDimensionExists().length; i++) {
+ if
(CarbonUtil.hasEncoding(actualQueryDimensions[i].getDimension().getEncoder(),
+ Encoding.DICTIONARY)) {
+ // if dimension exists then add the key array value else add the
default value
+ if (dimensionInfo.getDimensionExists()[i]) {
+ keyArrayWithNewAddedColumns[newKeyArrayIndex++] =
+ keyArray[existingColumnKeyArrayIndex++];
} else {
- defaultValueAsLong =
(long)CarbonCommonConstants.MEMBER_DEFAULT_VAL_SURROGATE_KEY;
+ long defaultValueAsLong;
+ Object defaultValue = dimensionInfo.getDefaultValues()[i];
+ if (null != defaultValue) {
+ defaultValueAsLong = ((Integer) defaultValue).longValue();
+ } else {
+ defaultValueAsLong = (long)
CarbonCommonConstants.MEMBER_DEFAULT_VAL_SURROGATE_KEY;
+ }
+ keyArrayWithNewAddedColumns[newKeyArrayIndex++] =
defaultValueAsLong;
}
- keyArrayWithNewAddedColumns[newKeyArrayIndex++] =
defaultValueAsLong;
}
}
+ try {
+ dictKeyArray =
restructuredKeyGenerator.generateKey(keyArrayWithNewAddedColumns);
+ } catch (KeyGenException e) {
+ LOGGER.error(e, e.getMessage());
--- End diff --
No need to throw it?
---
