Package org.apache.drill.exec.store.json

Examples of org.apache.drill.exec.store.json.JSONRecordReader

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      {
        context.getAllocator();
        returns(new DirectBufferAllocator());
      }
    };
    JSONRecordReader jr = new JSONRecordReader(context,
        FileUtils.getResourceAsFile("/scan_json_test_1.json").toURI().toString(),
        FileSystem.getLocal(new Configuration()), null);

    MockOutputMutator mutator = new MockOutputMutator();
    List<ValueVector> addFields = mutator.getAddFields();
    jr.setup(mutator);
    assertEquals(2, jr.next());
    assertEquals(3, addFields.size());
    assertField(addFields.get(0), 0, MinorType.INT, 123, "test");
    assertField(addFields.get(1), 0, MinorType.BIT, true, "b");
    assertField(addFields.get(2), 0, MinorType.VARCHAR, "hi!".getBytes(UTF_8), "c");
    assertField(addFields.get(0), 1, MinorType.INT, 1234, "test");
    assertField(addFields.get(1), 1, MinorType.BIT, false, "b");
    assertField(addFields.get(2), 1, MinorType.VARCHAR, "drill!".getBytes(UTF_8), "c");

    assertEquals(0, jr.next());
    assertTrue(mutator.getRemovedFields().isEmpty());
  }
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        context.getAllocator();
        returns(new DirectBufferAllocator());
      }
    };

    JSONRecordReader jr = new JSONRecordReader(context,
        FileUtils.getResourceAsFile("/scan_json_test_2.json").toURI().toString(),
        FileSystem.getLocal(new Configuration()), null);

    MockOutputMutator mutator = new MockOutputMutator();
    List<ValueVector> addFields = mutator.getAddFields();

    jr.setup(mutator);
    assertEquals(3, jr.next());
    assertEquals(7, addFields.size());
    assertField(addFields.get(0), 0, MinorType.INT, 123, "test");
    assertField(addFields.get(1), 0, MinorType.INT, 1, "b");
    assertField(addFields.get(2), 0, MinorType.FLOAT4, (float) 2.15, "c");
    assertField(addFields.get(3), 0, MinorType.BIT, true, "bool");
    assertField(addFields.get(4), 0, MinorType.VARCHAR, "test1".getBytes(UTF_8), "str1");

    assertField(addFields.get(0), 1, MinorType.INT, 1234, "test");
    assertField(addFields.get(1), 1, MinorType.INT, 3, "b");
    assertField(addFields.get(3), 1, MinorType.BIT, false, "bool");
    assertField(addFields.get(4), 1, MinorType.VARCHAR, "test2".getBytes(UTF_8), "str1");
    assertField(addFields.get(5), 1, MinorType.INT, 4, "d");

    assertField(addFields.get(0), 2, MinorType.INT, 12345, "test");
    assertField(addFields.get(2), 2, MinorType.FLOAT4, (float) 5.16, "c");
    assertField(addFields.get(3), 2, MinorType.BIT, true, "bool");
    assertField(addFields.get(5), 2, MinorType.INT, 6, "d");
    assertField(addFields.get(6), 2, MinorType.VARCHAR, "test3".getBytes(UTF_8), "str2");
    assertTrue(mutator.getRemovedFields().isEmpty());
    assertEquals(0, jr.next());
  }
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        context.getAllocator();
        returns(new DirectBufferAllocator());
      }
    };

    JSONRecordReader jr = new JSONRecordReader(context,
        FileUtils.getResourceAsFile("/scan_json_test_2.json").toURI().toString(),
        FileSystem.getLocal(new Configuration()),
        64, null); // batch only fits 1 int
    MockOutputMutator mutator = new MockOutputMutator();
    List<ValueVector> addFields = mutator.getAddFields();
    List<MaterializedField> removedFields = mutator.getRemovedFields();

    jr.setup(mutator);
    assertEquals(1, jr.next());
    assertEquals(5, addFields.size());
    assertField(addFields.get(0), 0, MinorType.INT, 123, "test");
    assertField(addFields.get(1), 0, MinorType.INT, 1, "b");
    assertField(addFields.get(2), 0, MinorType.FLOAT4, (float) 2.15, "c");
    assertField(addFields.get(3), 0, MinorType.BIT, true, "bool");
    assertField(addFields.get(4), 0, MinorType.VARCHAR, "test1".getBytes(UTF_8), "str1");
    assertTrue(removedFields.isEmpty());
    assertEquals(1, jr.next());
    assertEquals(6, addFields.size());
    assertField(addFields.get(0), 0, MinorType.INT, 1234, "test");
    assertField(addFields.get(1), 0, MinorType.INT, 3, "b");
    assertField(addFields.get(3), 0, MinorType.BIT, false, "bool");
    assertField(addFields.get(4), 0, MinorType.VARCHAR, "test2".getBytes(UTF_8), "str1");
    assertField(addFields.get(5), 0, MinorType.INT, 4, "d");
    assertEquals(1, removedFields.size());
    assertEquals("c", removedFields.get(0).getName());
    removedFields.clear();
    assertEquals(1, jr.next());
    assertEquals(7, addFields.size()); // The reappearing of field 'c' is also included
    assertField(addFields.get(0), 0, MinorType.INT, 12345, "test");
    assertField(addFields.get(3), 0, MinorType.BIT, true, "bool");
    assertField(addFields.get(5), 0, MinorType.INT, 6, "d");
    assertField(addFields.get(2), 0, MinorType.FLOAT4, (float) 5.16, "c");
    assertField(addFields.get(6), 0, MinorType.VARCHAR, "test3".getBytes(UTF_8), "str2");
    assertEquals(2, removedFields.size());
    Iterables.find(removedFields, new Predicate<MaterializedField>() {
      @Override
      public boolean apply(MaterializedField materializedField) {
        return materializedField.getName().equals("str1");
      }
    });
    Iterables.find(removedFields, new Predicate<MaterializedField>() {
      @Override
      public boolean apply(MaterializedField materializedField) {
        return materializedField.getName().equals("b");
      }
    });
    assertEquals(0, jr.next());
  }
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        context.getAllocator();
        returns(new DirectBufferAllocator());
      }
    };

    JSONRecordReader jr = new JSONRecordReader(context,
        FileUtils.getResourceAsFile("/scan_json_test_3.json").toURI().toString(),
        FileSystem.getLocal(new Configuration()), null);

    MockOutputMutator mutator = new MockOutputMutator();
    List<ValueVector> addFields = mutator.getAddFields();
    jr.setup(mutator);
    assertEquals(2, jr.next());
    assertEquals(3, addFields.size());
    assertField(addFields.get(0), 0, MinorType.INT, 123, "test");
    assertField(addFields.get(1), 0, MinorType.VARCHAR, "test".getBytes(UTF_8), "a.b");
    assertField(addFields.get(2), 0, MinorType.BIT, true, "a.a.d");
    assertField(addFields.get(0), 1, MinorType.INT, 1234, "test");
    assertField(addFields.get(1), 1, MinorType.VARCHAR, "test2".getBytes(UTF_8), "a.b");
    assertField(addFields.get(2), 1, MinorType.BIT, false, "a.a.d");

    assertEquals(0, jr.next());
    assertTrue(mutator.getRemovedFields().isEmpty());
  }
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        context.getAllocator();
        returns(new DirectBufferAllocator());
      }
    };

    JSONRecordReader jr = new JSONRecordReader(context,
        FileUtils.getResourceAsFile("/scan_json_test_4.json").toURI().toString(),
        FileSystem.getLocal(new Configuration()), null);

    MockOutputMutator mutator = new MockOutputMutator();
    List<ValueVector> addFields = mutator.getAddFields();
    jr.setup(mutator);
    assertEquals(2, jr.next());
    assertEquals(7, addFields.size());
    assertField(addFields.get(0), 0, MinorType.INT, 123, "test");
    assertField(addFields.get(1), 0, MinorType.INT, Arrays.asList(1, 2, 3), "test2");
    assertField(addFields.get(2), 0, MinorType.INT, Arrays.asList(4, 5, 6), "test3.a");
    assertField(addFields.get(3), 0, MinorType.INT, Arrays.asList(7, 8, 9), "test3.b");
    assertField(addFields.get(4), 0, MinorType.INT, Arrays.asList(10, 11, 12), "test3.c.d");
    assertField(addFields.get(5), 0, MinorType.FLOAT4, Arrays.<Float>asList((float) 1.1, (float) 1.2, (float) 1.3), "testFloat");
    assertField(addFields.get(6), 0, MinorType.VARCHAR, Arrays.asList("hello".getBytes(UTF_8), "drill".getBytes(UTF_8)), "testStr");
    assertField(addFields.get(1), 1, MinorType.INT, Arrays.asList(1, 2), "test2");
    assertField(addFields.get(2), 1, MinorType.INT, Arrays.asList(7, 7, 7, 8), "test3.a");
    assertField(addFields.get(5), 1, MinorType.FLOAT4, Arrays.<Float>asList((float) 2.2, (float) 2.3,(float) 2.4), "testFloat");

    assertEquals(0, jr.next());
    assertTrue(mutator.getRemovedFields().isEmpty());
  }
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        context.getAllocator();
        returns(new DirectBufferAllocator());
      }
    };

    JSONRecordReader jr = new JSONRecordReader(context,
        FileUtils.getResourceAsFile("/scan_json_test_5.json").toURI().toString(),
        FileSystem.getLocal(new Configuration()), null);

    MockOutputMutator mutator = new MockOutputMutator();
    List<ValueVector> addFields = mutator.getAddFields();
    jr.setup(mutator);
    assertEquals(9, jr.next());
    assertEquals(1, addFields.size());
    assertField(addFields.get(0), 0, MinorType.INT, Arrays.<Integer>asList(), "test");
    assertField(addFields.get(0), 1, MinorType.INT, Arrays.asList(1, 2, 3), "test");
    assertField(addFields.get(0), 2, MinorType.INT, Arrays.<Integer>asList(), "test");
    assertField(addFields.get(0), 3, MinorType.INT, Arrays.<Integer>asList(), "test");
    assertField(addFields.get(0), 4, MinorType.INT, Arrays.asList(4, 5, 6), "test");
    assertField(addFields.get(0), 5, MinorType.INT, Arrays.<Integer>asList(), "test");
    assertField(addFields.get(0), 6, MinorType.INT, Arrays.<Integer>asList(), "test");
    assertField(addFields.get(0), 7, MinorType.INT, Arrays.asList(7, 8, 9), "test");
    assertField(addFields.get(0), 8, MinorType.INT, Arrays.<Integer>asList(), "test");


    assertEquals(0, jr.next());
    assertTrue(mutator.getRemovedFields().isEmpty());
  }
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Related Classes of org.apache.drill.exec.store.json.JSONRecordReader

  • com.fasterxml.jackson.core.JsonFactory
  • org.apache.drill.common.expression.SchemaPath
  • org.apache.drill.common.types.TypeProtos.MajorType
  • org.apache.drill.common.types.TypeProtos.MinorType
  • org.apache.drill.exec.record.MaterializedField
  • org.apache.drill.exec.schema.DiffSchema
  • org.apache.drill.exec.schema.ObjectSchema
  • org.apache.drill.exec.schema.SchemaIdGenerator
  • org.apache.drill.exec.store.JSONRecordReaderTest
  • org.apache.drill.exec.store.VectorHolder
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