Package org.apache.hadoop.hive.serde2.lazy

Examples of org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe.initialize()


    schema.setProperty(Constants.SERIALIZATION_DDL, ddl);
    schema.setProperty(Constants.SERIALIZATION_LIB, DynamicSerDe.class.getName());
    schema.setProperty(Constants.SERIALIZATION_SORT_ORDER, order);

    DynamicSerDe serde = new DynamicSerDe();
    serde.initialize(new Configuration(), schema);

    ObjectInspector oi = serde.getObjectInspector();

    // Try to serialize
    BytesWritable bytes[] = new BytesWritable[structs.length];
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      schema.setProperty(Constants.COLLECTION_DELIM, "1");
      schema.setProperty(Constants.LINE_DELIM, "2");
      schema.setProperty(Constants.MAPKEY_DELIM, "4");

      DynamicSerDe serde = new DynamicSerDe();
      serde.initialize(new Configuration(), schema);

      TCTLSeparatedProtocol prot = (TCTLSeparatedProtocol)serde.oprot_;
      assertTrue(prot.getPrimarySeparator().equals("\u0009"));
     
      ObjectInspector oi = serde.getObjectInspector();
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                         "struct test { i32 hello, list<string> bye, map<string,i32> another}");
      schema.setProperty(Constants.SERIALIZATION_LIB, new DynamicSerDe().getClass().toString());
      schema.setProperty(TCTLSeparatedProtocol.ReturnNullsKey, "true");

      DynamicSerDe serde = new DynamicSerDe();
      serde.initialize(new Configuration(), schema);

      ObjectInspector oi = serde.getObjectInspector();
     
      // Try to serialize
      BytesWritable bytes = (BytesWritable) serde.serialize(struct, oi);
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                         "struct test { i32 hello, list<string> bye, map<string,i32> another}");
      schema.setProperty(Constants.SERIALIZATION_LIB, new DynamicSerDe().getClass().toString());
      schema.setProperty(TCTLSeparatedProtocol.ReturnNullsKey, "true");

      DynamicSerDe serde = new DynamicSerDe();
      serde.initialize(new Configuration(), schema);

      ObjectInspector oi = serde.getObjectInspector();

      // Try to serialize
      BytesWritable bytes = (BytesWritable) serde.serialize(struct, oi);
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                         "struct test { i32 hello, list<string> bye, map<string,i32> another}");
      schema.setProperty(Constants.SERIALIZATION_LIB, new DynamicSerDe().getClass().toString());

      schema.setProperty(TCTLSeparatedProtocol.ReturnNullsKey, "true");
      DynamicSerDe serde = new DynamicSerDe();
      serde.initialize(new Configuration(), schema);

      ObjectInspector oi = serde.getObjectInspector();

      // Try to serialize
      BytesWritable bytes = (BytesWritable) serde.serialize(struct, oi);
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                         "struct test { i32 hello, list<string> bye, map<string,i32> another}");
      schema.setProperty(Constants.SERIALIZATION_LIB, new DynamicSerDe().getClass().toString());

      schema.setProperty(TCTLSeparatedProtocol.ReturnNullsKey, "false");
      DynamicSerDe serde = new DynamicSerDe();
      serde.initialize(new Configuration(), schema);

      ObjectInspector oi = serde.getObjectInspector();

      // Try to serialize
      BytesWritable bytes = (BytesWritable) serde.serialize(struct, oi);
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      struct.add(Integer.valueOf(234));
      struct.add(bye);
      struct.add(another);

      DynamicSerDe serde = new DynamicSerDe();
      serde.initialize(new Configuration(), schema);

      ObjectInspector oi = serde.getObjectInspector();

      // Try to serialize
      BytesWritable bytes = (BytesWritable) serde.serialize(struct, oi);
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      schema.setProperty(Constants.COLLECTION_DELIM, "1");
      schema.setProperty(Constants.LINE_DELIM, "2");
      schema.setProperty(Constants.MAPKEY_DELIM, "4");

      DynamicSerDe serde = new DynamicSerDe();
      serde.initialize(new Configuration(), schema);

      TCTLSeparatedProtocol prot = (TCTLSeparatedProtocol)serde.oprot_;
      assertTrue(prot.getPrimarySeparator().equals("\u0009"));
     
      ObjectInspector oi = serde.getObjectInspector();
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    dsp.setProperty(Constants.SERIALIZATION_FORMAT, org.apache.hadoop.hive.serde2.thrift.TCTLSeparatedProtocol.class.getName());
    dsp.setProperty(org.apache.hadoop.hive.metastore.api.Constants.META_TABLE_NAME, "result");
    dsp.setProperty(Constants.SERIALIZATION_DDL, client.getSchema());
    dsp.setProperty(Constants.SERIALIZATION_LIB, ds.getClass().toString());
    dsp.setProperty(Constants.FIELD_DELIM, "9");
    ds.initialize(new Configuration(), dsp);

    String row = client.fetchOne();
    Object o = ds.deserialize(new BytesWritable(row.getBytes()));

    assertEquals(o.getClass().toString(), "class java.util.ArrayList");
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    client.execute(sql);
    row = client.fetchOne();
    dsp.setProperty(Constants.SERIALIZATION_DDL, client.getSchema());
    // Need a new DynamicSerDe instance - re-initialization is not supported.
    ds = new DynamicSerDe();
    ds.initialize(new Configuration(), dsp);
    o = ds.deserialize(new BytesWritable(row.getBytes()));
  }

}
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