Examples of org.apache.hadoop.hive.ql.exec.persistence.MapJoinObjectValue


      boolean joinNeeded = false;
      for (byte pos = 0; pos < order.length; pos++) {
        if (pos != alias) {


          MapJoinObjectValue o = mapJoinTables[pos].get(key);
          MapJoinRowContainer<ArrayList<Object>> rowContainer = rowContainerMap[pos];


          // there is no join-value or join-key has all null elements
          if (o == null || key.hasAnyNulls(nullsafes)) {
            if (!noOuterJoin) {
              joinNeeded = true;
              storage[pos] = dummyObjVectors[pos];
            } else {
              storage[pos] = emptyList;
            }
          } else {
            joinNeeded = true;
            rowContainer.reset(o.getObj());
            storage[pos] = rowContainer;
            aliasFilterTags[pos] = o.getAliasFilter();
          }
        }
      }


      if (joinNeeded) {




      HashMapWrapper<AbstractMapJoinKey, MapJoinObjectValue> hashTable = mapJoinTables
          .get((byte) tag);


      MapJoinObjectValue o = hashTable.get(keyMap);
      MapJoinRowContainer<Object[]> res = null;


      boolean needNewKey = true;
      if (o == null) {
        res = new MapJoinRowContainer<Object[]>();
        res.add(value);


        if (metadataValueTag[tag] == -1) {
          metadataValueTag[tag] = order[tag];
          setValueMetaData(tag);
        }


        // Construct externalizable objects for key and value
        if (needNewKey) {
          MapJoinObjectValue valueObj = new MapJoinObjectValue(metadataValueTag[tag], res);


          rowNumber++;
          if (rowNumber > hashTableScale && rowNumber % hashTableScale == 0) {
            isAbort = hashTable.isAbort(rowNumber, console);
            if (isAbort) {

Related Classes of org.apache.hadoop.hive.ql.exec.persistence.MapJoinObjectValue

All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.