Examples with HiveOutputFormat org.apache.hadoop.hive.ql.io.HiveOutputFormat used on opensource projects

Example 6 with HiveOutputFormat

use of org.apache.hadoop.hive.ql.io.HiveOutputFormat in project hive by apache.

the class Utilities method createDummyFileForEmptyTable.

@SuppressWarnings("rawtypes")
private static Path createDummyFileForEmptyTable(JobConf job, MapWork work, Path hiveScratchDir, String alias) throws Exception {
    TableDesc tableDesc = work.getAliasToPartnInfo().get(alias).getTableDesc();
    if (tableDesc.isNonNative()) {
        // if it does not need native storage, we can't create an empty file for it.
        return null;
    }
    Properties props = tableDesc.getProperties();
    HiveOutputFormat outFileFormat = HiveFileFormatUtils.getHiveOutputFormat(job, tableDesc);
    Path newPath = createEmptyFile(hiveScratchDir, outFileFormat, job, props, false);
    LOG.info("Changed input file for alias {} to newPath", alias, newPath);
    // update the work
    Map<Path, List<String>> pathToAliases = work.getPathToAliases();
    List<String> newList = new ArrayList<String>(1);
    newList.add(alias);
    pathToAliases.put(newPath, newList);
    work.setPathToAliases(pathToAliases);
    PartitionDesc pDesc = work.getAliasToPartnInfo().get(alias).clone();
    work.addPathToPartitionInfo(newPath, pDesc);
    return newPath;
}