本文整理了Java中org.apache.carbondata.core.scan.model.QueryModelBuilder类的一些代码示例，展示了QueryModelBuilder类的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。QueryModelBuilder类的具体详情如下：
包路径：org.apache.carbondata.core.scan.model.QueryModelBuilder
类名称：QueryModelBuilder

QueryModelBuilder介绍

暂无

代码示例

代码示例来源：origin: org.apache.carbondata/carbondata-search

private QueryModel createQueryModel(CarbonTable table, SearchRequest request) {
 String[] projectColumns = request.projectColumns();
 Expression filter = null;
 if (request.filterExpression() != null) {
  filter = request.filterExpression();
 }
 return new QueryModelBuilder(table)
   .projectColumns(projectColumns)
   .filterExpression(filter)
   .build();
}

代码示例来源：origin: org.apache.carbondata/carbondata-processing

public List<PartitionSpliterRawResultIterator> processDataBlocks(
   String segmentId, DataTypeConverter converter, Configuration configuration)
   throws QueryExecutionException, IOException {
  List<TableBlockInfo> list = null;
  queryModel = new QueryModelBuilder(carbonTable)
    .projectAllColumns()
    .dataConverter(converter)
    .enableForcedDetailRawQuery()
    .build();
  List<PartitionSpliterRawResultIterator> resultList
    = new ArrayList<>(CarbonCommonConstants.DEFAULT_COLLECTION_SIZE);
  TaskBlockInfo taskBlockInfo = segmentMapping.get(segmentId);
  Set<String> taskBlockListMapping = taskBlockInfo.getTaskSet();
  for (String task : taskBlockListMapping) {
   list = taskBlockInfo.getTableBlockInfoList(task);
   LOGGER.info("for task -" + task + "-block size is -" + list.size());
   queryModel.setTableBlockInfos(list);
   resultList.add(new PartitionSpliterRawResultIterator(executeBlockList(list, configuration)));
  }
  return resultList;
 }
}

代码示例来源：origin: org.apache.carbondata/carbondata-core

private List<CarbonDimension> mergeChildColumns(List<Integer> childOrdinals) {
 // Check If children if they are in the path of not.
 List<CarbonDimension> mergedChild = new ArrayList<>();
 List<CarbonDimension> dimList = table.getDimensions();
 for (int i = 0; i < childOrdinals.size(); i++) {
  for (int j = i; j < childOrdinals.size(); j++) {
   CarbonDimension parentDimension = getDimensionBasedOnOrdinal(dimList, childOrdinals.get(i));
   CarbonDimension childDimension = getDimensionBasedOnOrdinal(dimList, childOrdinals.get(j));
   if (!mergedChild.contains(childOrdinals.get(j)) && checkChildsInSamePath(parentDimension,
     childDimension)) {
    mergedChild.add(childDimension);
   }
  }
 }
 return mergedChild;
}

代码示例来源：origin: org.apache.carbondata/carbondata-core

private boolean checkChildsInSamePath(CarbonDimension parentDimension,
  CarbonDimension childDimension) {
 if (parentDimension.getColName().equals(childDimension.getColName())) {
  return false;
 } else if (checkForChildColumns(parentDimension, childDimension)) {
  return true;
 } else {
  return false;
 }
}

代码示例来源：origin: org.apache.carbondata/carbondata-core

private boolean checkForChildColumns(CarbonDimension parentDimension,
  CarbonDimension childDimension) {
 boolean output = false;
 if (parentDimension.getOrdinal() == childDimension.getOrdinal()) {
  output = true;
 } else if (parentDimension.getNumberOfChild() > 0) {
  for (int i = 0; i < parentDimension.getNumberOfChild() && !output; i++) {
   output =
     checkForChildColumns(parentDimension.getListOfChildDimensions().get(i), childDimension);
  }
 } else {
  output = false;
 }
 return output;
}

代码示例来源：origin: org.apache.carbondata/carbondata-hadoop

projectColumns = new String[]{};
QueryModel queryModel = new QueryModelBuilder(carbonTable)
  .projectColumns(projectColumns)
  .filterExpression(getFilterPredicates(configuration))
  .dataConverter(getDataTypeConverter(configuration))
  .build();

代码示例来源：origin: org.apache.carbondata/carbondata-processing

new ArrayList<>(CarbonCommonConstants.DEFAULT_COLLECTION_SIZE);
List<TableBlockInfo> list = null;
QueryModelBuilder builder = new QueryModelBuilder(carbonTable)
  .projectAllColumns()
  .dataConverter(dataTypeConverter)
  .enableForcedDetailRawQuery();
if (enablePageLevelReaderForCompaction()) {
 builder.enableReadPageByPage();
queryModel = builder.build();