org.apache.carbondata.core.scan.model.QueryModelBuilder.build()方法的使用及代码示例

x33g5p2x  于2022-01-29 转载在 其他  
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本文整理了Java中org.apache.carbondata.core.scan.model.QueryModelBuilder.build方法的一些代码示例,展示了QueryModelBuilder.build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.build方法的具体详情如下:
包路径:org.apache.carbondata.core.scan.model.QueryModelBuilder
类名称:QueryModelBuilder
方法名:build

QueryModelBuilder.build介绍

暂无

代码示例

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-processing

builder.enableReadPageByPage();
queryModel = builder.build();

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-hadoop

.filterExpression(getFilterPredicates(configuration))
.dataConverter(getDataTypeConverter(configuration))
.build();

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