Package com.facebook.presto.spi

Examples of com.facebook.presto.spi.SerializableNativeValue$Deserializer

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  private ArrayList<ExprNodeDesc> genConvertCol(String dest, QB qb, Table tab,
      TableDesc table_desc, Operator input, List<Integer> posns, boolean convert)
      throws SemanticException {
    StructObjectInspector oi = null;
    try {
      Deserializer deserializer = table_desc.getDeserializerClass()
          .newInstance();
      deserializer.initialize(conf, table_desc.getProperties());
      oi = (StructObjectInspector) deserializer.getObjectInspector();
    } catch (Exception e) {
      throw new SemanticException(e);
    }

    List<? extends StructField> tableFields = oi.getAllStructFieldRefs();
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            tbl.getSd().getSerdeInfo().getSerializationLib());
        if (!getColsFromSerDe) {
          return tbl.getSd().getCols();
        } else {
          try {
            Deserializer s = MetaStoreUtils.getDeserializer(hiveConf, tbl);
            return MetaStoreUtils.getFieldsFromDeserializer(tableName, s);
          } catch (SerDeException e) {
            StringUtils.stringifyException(e);
            throw new MetaException(e.getMessage());
          }
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   */
  Operator genConversionSelectOperator(String dest, QB qb, Operator input,
      TableDesc table_desc, DynamicPartitionCtx dpCtx) throws SemanticException {
    StructObjectInspector oi = null;
    try {
      Deserializer deserializer = table_desc.getDeserializerClass()
          .newInstance();
      deserializer.initialize(conf, table_desc.getProperties());
      oi = (StructObjectInspector) deserializer.getObjectInspector();
    } catch (Exception e) {
      throw new SemanticException(e);
    }

    // Check column number
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  private ArrayList<ExprNodeDesc> genConvertCol(String dest, QB qb, Table tab, TableDesc table_desc, Operator input,
                                                List<Integer> posns, boolean convert) throws SemanticException {
    StructObjectInspector oi = null;
    try {
      Deserializer deserializer = table_desc.getDeserializerClass()
          .newInstance();
      deserializer.initialize(conf, table_desc.getProperties());
      oi = (StructObjectInspector) deserializer.getObjectInspector();
    } catch (Exception e) {
      throw new SemanticException(e);
    }

    List<? extends StructField> tableFields = oi.getAllStructFieldRefs();
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  public ArrayList<StructField> getFields() {

    ArrayList<StructField> fields = new ArrayList<StructField>();
    try {
      Deserializer decoder = getDeserializer();

      // Expand out all the columns of the table
      StructObjectInspector structObjectInspector = (StructObjectInspector) decoder
          .getObjectInspector();
      List<? extends StructField> fld_lst = structObjectInspector
          .getAllStructFieldRefs();
      for (StructField field : fld_lst) {
        fields.add(field);
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  /**
   * Check if the given serde is valid.
   */
  private void validateSerDe(String serdeName) throws HiveException {
    try {
      Deserializer d = SerDeUtils.lookupDeserializer(serdeName);
      if (d != null) {
        LOG.debug("Found class for " + serdeName);
      }
    } catch (SerDeException e) {
      throw new HiveException("Cannot validate serde: " + serdeName, e);
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    String tableName = String.valueOf(tblProps.getProperty("name"));
    String partName = String.valueOf(partSpec);
    // HiveConf.setVar(hconf, HiveConf.ConfVars.HIVETABLENAME, tableName);
    // HiveConf.setVar(hconf, HiveConf.ConfVars.HIVEPARTITIONNAME, partName);
    Deserializer deserializer = (Deserializer) sdclass.newInstance();
    deserializer.initialize(hconf, tblProps);
    StructObjectInspector rawRowObjectInspector = (StructObjectInspector) deserializer
        .getObjectInspector();

    MapOpCtx opCtx = null;
    // Next check if this table has partitions and if so
    // get the list of partition names as well as allocate
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    JobConf jobConf = new JobConf(owi.getParseContext().getConf());
    Utilities.setColumnNameList(jobConf, tableScanOp);
    Utilities.copyTableJobPropertiesToConf(
      Utilities.getTableDesc(tbl),
      jobConf);
    Deserializer deserializer = tbl.getDeserializer();
    HiveStoragePredicateHandler.DecomposedPredicate decomposed =
      predicateHandler.decomposePredicate(
        jobConf,
        deserializer,
        originalPredicate);
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  static public Deserializer getDeserializer(Configuration conf,
      Properties schema) throws MetaException {
    String lib = schema
        .getProperty(org.apache.hadoop.hive.serde.Constants.SERIALIZATION_LIB);
    try {
      Deserializer deserializer = SerDeUtils.lookupDeserializer(lib);
      (deserializer).initialize(conf, schema);
      return deserializer;
    } catch (Exception e) {
      LOG.error("error in initSerDe: " + e.getClass().getName() + " "
          + e.getMessage());
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    String lib = table.getSd().getSerdeInfo().getSerializationLib();
    if (lib == null) {
      return null;
    }
    try {
      Deserializer deserializer = SerDeUtils.lookupDeserializer(lib);
      deserializer.initialize(conf, MetaStoreUtils.getSchema(table));
      return deserializer;
    } catch (RuntimeException e) {
      throw e;
    } catch (Exception e) {
      LOG.error("error in initSerDe: " + e.getClass().getName() + " "
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