Package org.apache.hadoop.hive.accumulo.columns

Examples of org.apache.hadoop.hive.accumulo.columns.HiveAccumuloMapColumnMapping

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    if (!getFieldInited()[id]) {
      ByteArrayRef ref;
      ColumnMapping columnMapping = columnMappings.get(id);

      if (columnMapping instanceof HiveAccumuloMapColumnMapping) {
        HiveAccumuloMapColumnMapping mapColumnMapping = (HiveAccumuloMapColumnMapping) columnMapping;

        LazyAccumuloMap map = (LazyAccumuloMap) getFields()[id];
        map.init(row, mapColumnMapping);
      } else {
        if (columnMapping instanceof HiveAccumuloRowIdColumnMapping) {
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    row.add("cf1", "bar", "foo".getBytes());

    row.add("cf2", "foo1", "bar1".getBytes());
    row.add("cf3", "bar1", "foo1".getBytes());

    HiveAccumuloMapColumnMapping mapping = new HiveAccumuloMapColumnMapping("cf1", null,
        ColumnEncoding.STRING, ColumnEncoding.STRING, "column", TypeInfoFactory.getMapTypeInfo(
            TypeInfoFactory.stringTypeInfo, TypeInfoFactory.stringTypeInfo).toString());

    // Map of Integer to String
    Text nullSequence = new Text("\\N");
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    row.add(new Text("cf1"), new Text("1"), "2".getBytes());
    row.add(new Text("cf1"), new Text("2"), "4".getBytes());
    row.add(new Text("cf1"), new Text("3"), "6".getBytes());

    HiveAccumuloMapColumnMapping mapping = new HiveAccumuloMapColumnMapping("cf1", null,
        ColumnEncoding.STRING, ColumnEncoding.STRING, "column", TypeInfoFactory.getMapTypeInfo(
            TypeInfoFactory.intTypeInfo, TypeInfoFactory.intTypeInfo).toString());

    // Map of Integer to Integer
    Text nullSequence = new Text("\\N");
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    row.add(new Text("cf1"), new Text(toBytes(1)), toBytes(2));
    row.add(new Text("cf1"), new Text(toBytes(2)), toBytes(4));
    row.add(new Text("cf1"), new Text(toBytes(3)), toBytes(6));

    HiveAccumuloMapColumnMapping mapping = new HiveAccumuloMapColumnMapping("cf1", null,
        ColumnEncoding.BINARY, ColumnEncoding.BINARY, "column", TypeInfoFactory.getMapTypeInfo(
            TypeInfoFactory.intTypeInfo, TypeInfoFactory.intTypeInfo).toString());

    // Map of Integer to String
    Text nullSequence = new Text("\\N");
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    row.add(new Text("cf1"), new Text(toBytes(1)), "2".getBytes());
    row.add(new Text("cf1"), new Text(toBytes(2)), "4".getBytes());
    row.add(new Text("cf1"), new Text(toBytes(3)), "6".getBytes());

    HiveAccumuloMapColumnMapping mapping = new HiveAccumuloMapColumnMapping("cf1", null,
        ColumnEncoding.BINARY, ColumnEncoding.STRING, "column", TypeInfoFactory.getMapTypeInfo(
            TypeInfoFactory.intTypeInfo, TypeInfoFactory.intTypeInfo).toString());

    // Map of Integer to String
    Text nullSequence = new Text("\\N");
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          cq = new Text(accumuloColumnMapping.getColumnQualifier());
        }

        pairs.add(new Pair<Text,Text>(cf, cq));
      } else if (columnMapping instanceof HiveAccumuloMapColumnMapping) {
        HiveAccumuloMapColumnMapping mapMapping = (HiveAccumuloMapColumnMapping) columnMapping;

        // Can't fetch prefix on colqual, must pull the entire qualifier
        // TODO use an iterator to do the filter, server-side.
        pairs.add(new Pair<Text,Text>(new Text(mapMapping.getColumnFamily()), null));
      }
    }

    log.info("Computed columns to fetch (" + pairs + ") from " + columnMappings);
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Related Classes of org.apache.hadoop.hive.accumulo.columns.HiveAccumuloMapColumnMapping

  • org.apache.commons.lang.builder.HashCodeBuilder
  • org.apache.hadoop.hive.accumulo.LazyAccumuloRow
  • org.apache.hadoop.hive.accumulo.mr.HiveAccumuloTableInputFormat
  • org.apache.hadoop.hive.accumulo.TestLazyAccumuloMap
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