Package org.apache.hive.hcatalog.data.schema

Examples of org.apache.hive.hcatalog.data.schema.HCatFieldSchema

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    bagSubFieldSchemas[0].setSchema(new ResourceSchema().setFields(innerTupleFieldSchemas));
    ResourceSchema expected = new ResourceSchema().setFields(bagSubFieldSchemas);

    // Get the actual converted schema.
    HCatSchema actualHCatSchema = new HCatSchema(Lists.newArrayList(
      new HCatFieldSchema("innerLlama", HCatFieldSchema.Type.STRING, null)));
    HCatFieldSchema actualHCatFieldSchema =
      new HCatFieldSchema("llama", HCatFieldSchema.Type.ARRAY, actualHCatSchema, null);
    ResourceSchema actual = PigHCatUtil.getBagSubSchema(actualHCatFieldSchema);

    Assert.assertEquals(expected.toString(), actual.toString());

    // Clean up System properties that were set by this test
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  }

  private HCatSchema getProjectionSchema() throws HCatException {

    HCatSchema schema = new HCatSchema(new ArrayList<HCatFieldSchema>());
    schema.append(new HCatFieldSchema("key", HCatFieldSchema.Type.STRING,
      ""));
    schema.append(new HCatFieldSchema("testqualifier1",
      HCatFieldSchema.Type.STRING, ""));
    return schema;
  }
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    }
  }

  private HCatSchema getSchema() throws HCatException {
    HCatSchema schema = new HCatSchema(new ArrayList<HCatFieldSchema>());
    schema.append(new HCatFieldSchema("a0", HCatFieldSchema.Type.INT,
        ""));
    schema.append(new HCatFieldSchema("a1",
        HCatFieldSchema.Type.STRING, ""));
    schema.append(new HCatFieldSchema("a2",
        HCatFieldSchema.Type.STRING, ""));
    return schema;
  }
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    ResourceFieldSchema[] bagSubFieldSchemas = new ResourceFieldSchema[1];
    bagSubFieldSchemas[0] = new ResourceFieldSchema().setName(innerTupleName)
      .setDescription("The tuple in the bag")
      .setType(DataType.TUPLE);
    HCatFieldSchema arrayElementFieldSchema = hfs.getArrayElementSchema().get(0);
    if (arrayElementFieldSchema.getType() == Type.STRUCT) {
      bagSubFieldSchemas[0].setSchema(getTupleSubSchema(arrayElementFieldSchema));
    } else if (arrayElementFieldSchema.getType() == Type.ARRAY) {
      ResourceSchema s = new ResourceSchema();
      List<ResourceFieldSchema> lrfs = Arrays.asList(getResourceSchemaFromFieldSchema(arrayElementFieldSchema));
      s.setFields(lrfs.toArray(new ResourceFieldSchema[lrfs.size()]));
      bagSubFieldSchemas[0].setSchema(s);
    } else {
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  private static DataBag transformToBag(List<?> list, HCatFieldSchema hfs) throws Exception {
    if (list == null) {
      return null;
    }

    HCatFieldSchema elementSubFieldSchema = hfs.getArrayElementSchema().getFields().get(0);
    DataBag db = new DefaultDataBag();
    for (Object o : list) {
      Tuple tuple;
      if (elementSubFieldSchema.getType() == Type.STRUCT) {
        tuple = transformToTuple((List<?>) o, elementSubFieldSchema);
      } else {
        // bags always contain tuples
        tuple = tupFac.newTuple(extractPigObject(o, elementSubFieldSchema));
      }
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    String warehouseDir = System
      .getProperty("test.warehouse.dir", "/user/hive/warehouse");
    String expectedDir = warehouseDir.replaceFirst("pfile:///", "pfile:/");
    assertEquals(expectedDir + "/" + db + ".db", testDb.getLocation());
    ArrayList<HCatFieldSchema> cols = new ArrayList<HCatFieldSchema>();
    cols.add(new HCatFieldSchema("id", Type.INT, "id comment"));
    cols.add(new HCatFieldSchema("value", Type.STRING, "value comment"));
    HCatCreateTableDesc tableDesc = HCatCreateTableDesc
      .create(db, tableOne, cols).fileFormat("rcfile").build();
    client.createTable(tableDesc);
    HCatTable table1 = client.getTable(db, tableOne);
    assertTrue(table1.getInputFileFormat().equalsIgnoreCase(
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    String dbName = "default";
    String tblName = "testEmptyCreate";
    ArrayList<HCatFieldSchema> cols = new ArrayList<HCatFieldSchema>();
    cols.add(new HCatFieldSchema("id", Type.INT, "id comment"));
    cols.add(new HCatFieldSchema("value", Type.STRING, "value comment"));

    client.dropTable(dbName, tblName, true);
    // Create a minimalistic table
    client.createTable(HCatCreateTableDesc
        .create(new HCatTable(dbName, tblName).cols(cols), false)
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    HCatCreateDBDesc dbDesc = HCatCreateDBDesc.create(dbName)
      .ifNotExists(true).build();
    client.createDatabase(dbDesc);
    ArrayList<HCatFieldSchema> cols = new ArrayList<HCatFieldSchema>();
    cols.add(new HCatFieldSchema("userid", Type.INT, "id columns"));
    cols.add(new HCatFieldSchema("viewtime", Type.BIGINT,
      "view time columns"));
    cols.add(new HCatFieldSchema("pageurl", Type.STRING, ""));
    cols.add(new HCatFieldSchema("ip", Type.STRING,
      "IP Address of the User"));

    ArrayList<HCatFieldSchema> ptnCols = new ArrayList<HCatFieldSchema>();
    ptnCols.add(new HCatFieldSchema("dt", Type.STRING, "date column"));
    ptnCols.add(new HCatFieldSchema("country", Type.STRING,
      "country column"));
    HCatTable table = new HCatTable(dbName, tableName).cols(cols)
                                                      .partCols(ptnCols)
                                                      .fileFormat("sequenceFile");
    HCatCreateTableDesc tableDesc = HCatCreateTableDesc.create(table, false).build();
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    String cloneTable = "tabletwo";
    client.dropTable(null, tableName, true);
    client.dropTable(null, cloneTable, true);

    ArrayList<HCatFieldSchema> cols = new ArrayList<HCatFieldSchema>();
    cols.add(new HCatFieldSchema("id", Type.INT, "id columns"));
    cols.add(new HCatFieldSchema("value", Type.STRING, "id columns"));
    HCatCreateTableDesc tableDesc = HCatCreateTableDesc
      .create(null, tableName, cols).fileFormat("rcfile").build();
    client.createTable(tableDesc);
    // create a new table similar to previous one.
    client.createTableLike(null, tableName, cloneTable, true, false, null);
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    String tableName = "temptable";
    String newName = "mytable";
    client.dropTable(null, tableName, true);
    client.dropTable(null, newName, true);
    ArrayList<HCatFieldSchema> cols = new ArrayList<HCatFieldSchema>();
    cols.add(new HCatFieldSchema("id", Type.INT, "id columns"));
    cols.add(new HCatFieldSchema("value", Type.STRING, "id columns"));
    HCatCreateTableDesc tableDesc = HCatCreateTableDesc
      .create(null, tableName, cols).fileFormat("rcfile").build();
    client.createTable(tableDesc);
    client.renameTable(null, tableName, newName);
    try {
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Related Classes of org.apache.hive.hcatalog.data.schema.HCatFieldSchema

  • org.apache.commons.lang.builder.ToStringBuilder
  • org.apache.hive.hcatalog.api.TestHCatClient
  • org.apache.hive.hcatalog.common.TestHCatUtil
  • org.apache.hive.hcatalog.data.JsonSerDe
  • org.apache.hive.hcatalog.hbase.TestHBaseInputFormat
  • org.apache.hive.hcatalog.mapreduce.TestPassProperties
  • org.apache.hive.hcatalog.mapreduce.TestSequenceFileReadWrite
  • org.apache.hive.hcatalog.pig.HCatBaseStorer
  • org.apache.hive.hcatalog.pig.PigHCatUtil
  • org.apache.hive.hcatalog.pig.TestPigHCatUtil
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