Package org.apache.hadoop.hive.metastore.api

Examples of org.apache.hadoop.hive.metastore.api.Type

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    Map<String, String> fields = new HashMap<String, String>();
    fields.put("name", serdeConstants.STRING_TYPE_NAME);
    fields.put("income", serdeConstants.INT_TYPE_NAME);

    Type typ1 = createType(typeName, fields);

    Map<String , String> partitionKeys = new HashMap<String, String>();
    partitionKeys.put("ds", serdeConstants.STRING_TYPE_NAME);
    partitionKeys.put("hr", serdeConstants.STRING_TYPE_NAME);

    Map<String, String> params = new HashMap<String, String>();
    params.put("test_param_1", "Use this for comments etc");

    Map<String, String> serdParams = new HashMap<String, String>();
    serdParams.put(serdeConstants.SERIALIZATION_FORMAT, "1");

    StorageDescriptor sd =  createStorageDescriptor(tblName, typ1.getFields(), params, serdParams);

    Table tbl = createTable(dbName, tblName, null, null, partitionKeys, sd, 0);

    if (isThriftClient) {
      // the createTable() above does not update the location in the 'tbl'
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    }
    return copy;
  }

  private Type deepCopy(Type type) {
    Type copy = null;
    if (type != null) {
      copy = new Type(type);
    }
    return copy;
  }
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         dbPermission = new FsPermission((short)488);
         fs.setPermission(dbPath, dbPermission);
      }

      client.dropType(typeName);
      Type typ1 = new Type();
      typ1.setName(typeName);
      typ1.setFields(new ArrayList<FieldSchema>(2));
      typ1.getFields().add(
          new FieldSchema("name", serdeConstants.STRING_TYPE_NAME, ""));
      typ1.getFields().add(
          new FieldSchema("income", serdeConstants.INT_TYPE_NAME, ""));
      client.createType(typ1);

      Table tbl = new Table();
      tbl.setDbName(dbName);
      tbl.setTableName(tblName);
      StorageDescriptor sd = new StorageDescriptor();
      tbl.setSd(sd);
      sd.setCols(typ1.getFields());
      sd.setCompressed(false);
      sd.setNumBuckets(1);
      sd.setParameters(new HashMap<String, String>());
      sd.getParameters().put("test_param_1", "Use this for comments etc");
      sd.setBucketCols(new ArrayList<String>(2));
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  public void testSimpleTypeApi() throws Exception {
    try {
      client.dropType(serdeConstants.INT_TYPE_NAME);

      Type typ1 = new Type();
      typ1.setName(serdeConstants.INT_TYPE_NAME);
      boolean ret = client.createType(typ1);
      assertTrue("Unable to create type", ret);

      Type typ1_2 = client.getType(serdeConstants.INT_TYPE_NAME);
      assertNotNull(typ1_2);
      assertEquals(typ1.getName(), typ1_2.getName());

      ret = client.dropType(serdeConstants.INT_TYPE_NAME);
      assertTrue("unable to drop type integer", ret);

      boolean exceptionThrown = false;
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  // TODO:pc need to enhance this with complex fields and getType_all function
  public void testComplexTypeApi() throws Exception {
    try {
      client.dropType("Person");

      Type typ1 = new Type();
      typ1.setName("Person");
      typ1.setFields(new ArrayList<FieldSchema>(2));
      typ1.getFields().add(
          new FieldSchema("name", serdeConstants.STRING_TYPE_NAME, ""));
      typ1.getFields().add(
          new FieldSchema("income", serdeConstants.INT_TYPE_NAME, ""));
      boolean ret = client.createType(typ1);
      assertTrue("Unable to create type", ret);

      Type typ1_2 = client.getType("Person");
      assertNotNull("type Person not found", typ1_2);
      assertEquals(typ1.getName(), typ1_2.getName());
      assertEquals(typ1.getFields().size(), typ1_2.getFields().size());
      assertEquals(typ1.getFields().get(0), typ1_2.getFields().get(0));
      assertEquals(typ1.getFields().get(1), typ1_2.getFields().get(1));

      client.dropType("Family");

      Type fam = new Type();
      fam.setName("Family");
      fam.setFields(new ArrayList<FieldSchema>(2));
      fam.getFields().add(
          new FieldSchema("name", serdeConstants.STRING_TYPE_NAME, ""));
      fam.getFields().add(
          new FieldSchema("members",
              MetaStoreUtils.getListType(typ1.getName()), ""));

      ret = client.createType(fam);
      assertTrue("Unable to create type " + fam.getName(), ret);

      Type fam2 = client.getType("Family");
      assertNotNull("type Person not found", fam2);
      assertEquals(fam.getName(), fam2.getName());
      assertEquals(fam.getFields().size(), fam2.getFields().size());
      assertEquals(fam.getFields().get(0), fam2.getFields().get(0));
      assertEquals(fam.getFields().get(1), fam2.getFields().get(1));

      ret = client.dropType("Family");
      assertTrue("unable to drop type Family", ret);

      ret = client.dropType("Person");
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        msc.dropTable(dbName, tblName);
        silentDropDatabase(dbName);


        msc.dropType(typeName);
        Type typ1 = new Type();
        typ1.setName(typeName);
        typ1.setFields(new ArrayList<FieldSchema>(1));
        typ1.getFields().add(new FieldSchema("name", serdeConstants.STRING_TYPE_NAME, ""));
        msc.createType(typ1);

        Table tbl = new Table();
        tbl.setDbName(dbName);
        tbl.setTableName(tblName);
        StorageDescriptor sd = new StorageDescriptor();
        tbl.setSd(sd);
        sd.setCols(typ1.getFields());

        sd.setSerdeInfo(new SerDeInfo());
        return tbl;
    }
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    }

    public Type get_type(final String name) throws MetaException, NoSuchObjectException {
      startFunction("get_type", ": " + name);

      Type ret = null;
      Exception ex = null;
      try {
        ret = getMS().getType(name);
        if (null == ret) {
          throw new NoSuchObjectException("Type \"" + name + "\" not found.");
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      for (MFieldSchema field : mtype.getFields()) {
        fields.add(new FieldSchema(field.getName(), field.getType(), field
            .getComment()));
      }
    }
    Type ret = new Type();
    ret.setName(mtype.getName());
    ret.setType1(mtype.getType1());
    ret.setType2(mtype.getType2());
    ret.setFields(fields);
    return ret;
  }
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    }
    return success;
  }

  public Type getType(String typeName) {
    Type type = null;
    boolean commited = false;
    try {
      openTransaction();
      Query query = pm.newQuery(MType.class, "name == typeName");
      query.declareParameters("java.lang.String typeName");
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      for (MFieldSchema field : mtype.getFields()) {
        fields.add(new FieldSchema(field.getName(), field.getType(), field
            .getComment()));
      }
    }
    return new Type(mtype.getName(), mtype.getType1(), mtype.getType2(), fields);
  }
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