Examples with GetProjectionsSpec org.apache.hadoop.hive.metastore.api.GetProjectionsSpec used on opensource projects

Example 11 with GetProjectionsSpec

use of org.apache.hadoop.hive.metastore.api.GetProjectionsSpec in project hive by apache.

the class TestGetPartitionsUsingProjectionAndFilterSpecs method getPartitionsWithNames.

private void getPartitionsWithNames(List<String> names, int expectedPartitionCount) throws TException {
    GetPartitionsRequest request = getGetPartitionsRequest();
    GetProjectionsSpec projectSpec = request.getProjectionSpec();
    projectSpec.setFieldList(Arrays.asList("sd.location"));
    request.getFilterSpec().setFilterMode(PartitionFilterMode.BY_NAMES);
    request.getFilterSpec().setFilters(names);
    GetPartitionsResponse response = client.getPartitionsWithSpecs(request);
    Assert.assertNotNull(response);
    if (expectedPartitionCount > 0) {
        PartitionSpecWithSharedSD partitionSpecWithSharedSD = response.getPartitionSpec().get(0).getSharedSDPartitionSpec();
        Assert.assertNotNull(partitionSpecWithSharedSD);
        Assert.assertEquals("Invalid number of partitions returned", expectedPartitionCount, partitionSpecWithSharedSD.getPartitionsSize());
        List<Partition> origPartitions = client.getPartitionsByNames(dbName, tblName, names);
        verifyLocations(origPartitions, partitionSpecWithSharedSD.getSd(), partitionSpecWithSharedSD.getPartitions());
    } else {
        Assert.assertTrue("Partition spec should have been empty since filter doesn't match with any partitions", response.getPartitionSpec().isEmpty());
    }
}

Example 12 with GetProjectionsSpec

use of org.apache.hadoop.hive.metastore.api.GetProjectionsSpec in project hive by apache.

the class TestHiveMetaStore method testGetPartitionsWithSpec.

@Test
public void testGetPartitionsWithSpec() throws Throwable {
    // create a table with multiple partitions
    List<Partition> createdPartitions = setupProjectionTestTable();
    Table tbl = client.getTable("compdb", "comptbl");
    GetPartitionsRequest request = new GetPartitionsRequest();
    GetProjectionsSpec projectSpec = new GetProjectionsSpec();
    projectSpec.setFieldList(Arrays.asList("dbName", "tableName", "catName", "parameters", "lastAccessTime", "sd.location", "values", "createTime", "sd.serdeInfo.serializationLib", "sd.cols"));
    projectSpec.setExcludeParamKeyPattern("exclude%");
    GetPartitionsFilterSpec filter = new GetPartitionsFilterSpec();
    request.setDbName("compdb");
    request.setTblName("comptbl");
    request.setFilterSpec(filter);
    request.setProjectionSpec(projectSpec);
    GetPartitionsResponse response;
    try {
        response = client.getPartitionsWithSpecs(request);
    } catch (Exception ex) {
        ex.printStackTrace();
        LOG.error("Exception while retriveing partitions", ex);
        throw ex;
    }
    Assert.assertEquals(1, response.getPartitionSpecSize());
    PartitionSpecWithSharedSD partitionSpecWithSharedSD = response.getPartitionSpec().get(0).getSharedSDPartitionSpec();
    Assert.assertNotNull(partitionSpecWithSharedSD.getSd());
    StorageDescriptor sharedSD = partitionSpecWithSharedSD.getSd();
    Assert.assertEquals("Root location should be set to table location", tbl.getSd().getLocation(), sharedSD.getLocation());
    Assert.assertFalse("Fields which are not requested should not be set", sharedSD.isSetParameters());
    Assert.assertNotNull("serializationLib class was requested but was not found in the returned partition", sharedSD.getSerdeInfo().getSerializationLib());
    Assert.assertNotNull("db name was requested but was not found in the returned partition", response.getPartitionSpec().get(0).getDbName());
    Assert.assertNotNull("Table name was requested but was not found in the returned partition", response.getPartitionSpec().get(0).getTableName());
    Assert.assertTrue("sd.cols was requested but was not found in the returned response", partitionSpecWithSharedSD.getSd().isSetCols());
    List<FieldSchema> origSdCols = createdPartitions.get(0).getSd().getCols();
    Assert.assertEquals("Size of the requested sd.cols should be same", origSdCols.size(), partitionSpecWithSharedSD.getSd().getCols().size());
    for (int i = 0; i < origSdCols.size(); i++) {
        FieldSchema origFs = origSdCols.get(i);
        FieldSchema returnedFs = partitionSpecWithSharedSD.getSd().getCols().get(i);
        Assert.assertEquals("Field schemas returned different than expected", origFs, returnedFs);
    }
    /*Assert
        .assertNotNull("Catalog name was requested but was not found in the returned partition",
            response.getPartitionSpec().get(0).getCatName());*/
    List<PartitionWithoutSD> partitionWithoutSDS = partitionSpecWithSharedSD.getPartitions();
    Assert.assertEquals(createdPartitions.size(), partitionWithoutSDS.size());
    for (int i = 0; i < createdPartitions.size(); i++) {
        Partition origPartition = createdPartitions.get(i);
        PartitionWithoutSD returnedPartitionWithoutSD = partitionWithoutSDS.get(i);
        Assert.assertEquals(String.format("Location returned for Partition %d is not correct", i), origPartition.getSd().getLocation(), sharedSD.getLocation() + returnedPartitionWithoutSD.getRelativePath());
        Assert.assertTrue("createTime was request but is not set", returnedPartitionWithoutSD.isSetCreateTime());
        Assert.assertTrue("Partition parameters were requested but are not set", returnedPartitionWithoutSD.isSetParameters());
        // first partition has parameters set
        if (i == 0) {
            Assert.assertTrue("partition parameters not set", returnedPartitionWithoutSD.getParameters().containsKey("key1"));
            Assert.assertEquals("partition parameters does not contain included keys", "val1", returnedPartitionWithoutSD.getParameters().get("key1"));
            // excluded parameter should not be returned
            Assert.assertFalse("Excluded parameter key returned", returnedPartitionWithoutSD.getParameters().containsKey("excludeKey1"));
            Assert.assertFalse("Excluded parameter key returned", returnedPartitionWithoutSD.getParameters().containsKey("excludeKey2"));
        }
        List<String> returnedVals = returnedPartitionWithoutSD.getValues();
        List<String> actualVals = origPartition.getValues();
        for (int j = 0; j < actualVals.size(); j++) {
            Assert.assertEquals(actualVals.get(j), returnedVals.get(j));
        }
    }
}

Example 13 with GetProjectionsSpec

use of org.apache.hadoop.hive.metastore.api.GetProjectionsSpec in project hive by apache.

the class TestGetPartitionsUsingProjectionAndFilterSpecs method testParameterExpansion.

@Test
public void testParameterExpansion() throws TException {
    GetPartitionsRequest request = getGetPartitionsRequest();
    GetProjectionsSpec projectSpec = request.getProjectionSpec();
    projectSpec.setFieldList(Arrays.asList("sd.cols", "sd.serdeInfo"));
    GetPartitionsResponse response = client.getPartitionsWithSpecs(request);
    PartitionSpecWithSharedSD partitionSpecWithSharedSD = response.getPartitionSpec().get(0).getSharedSDPartitionSpec();
    StorageDescriptor sharedSD = partitionSpecWithSharedSD.getSd();
    Assert.assertNotNull("sd.cols were requested but was not returned", sharedSD.getCols());
    Assert.assertEquals("Returned serdeInfo does not match with original serdeInfo", origPartitions.get(0).getSd().getCols(), sharedSD.getCols());
    Assert.assertNotNull("sd.serdeInfo were requested but was not returned", sharedSD.getSerdeInfo());
    Assert.assertEquals("Returned serdeInfo does not match with original serdeInfo", origPartitions.get(0).getSd().getSerdeInfo(), sharedSD.getSerdeInfo());
}

Example 14 with GetProjectionsSpec

use of org.apache.hadoop.hive.metastore.api.GetProjectionsSpec in project hive by apache.

the class TestGetPartitionsUsingProjectionAndFilterSpecs method testPartitionProjectionEmptySpec.

@Test
public void testPartitionProjectionEmptySpec() throws Throwable {
    GetPartitionsRequest request = getGetPartitionsRequest();
    GetProjectionsSpec projectSpec = request.getProjectionSpec();
    projectSpec.setFieldList(new ArrayList<>(0));
    projectSpec.setExcludeParamKeyPattern("exclude%");
    GetPartitionsResponse response;
    response = client.getPartitionsWithSpecs(request);
    Assert.assertEquals(1, response.getPartitionSpec().size());
    PartitionSpec partitionSpec = response.getPartitionSpec().get(0);
    PartitionSpecWithSharedSD partitionSpecWithSharedSD = partitionSpec.getSharedSDPartitionSpec();
    StorageDescriptor sharedSD = partitionSpecWithSharedSD.getSd();
    Assert.assertNotNull(sharedSD);
    // everything except location in sharedSD should be same
    StorageDescriptor origSd = origPartitions.get(0).getSd().deepCopy();
    origSd.unsetLocation();
    StorageDescriptor sharedSDCopy = sharedSD.deepCopy();
    sharedSDCopy.unsetLocation();
    Assert.assertEquals(origSd, sharedSDCopy);
    List<PartitionWithoutSD> partitionWithoutSDS = partitionSpecWithSharedSD.getPartitions();
    Assert.assertNotNull(partitionWithoutSDS);
    Assert.assertEquals("Unexpected number of partitions returned", origPartitions.size(), partitionWithoutSDS.size());
    for (int i = 0; i < origPartitions.size(); i++) {
        Partition origPartition = origPartitions.get(i);
        PartitionWithoutSD retPartition = partitionWithoutSDS.get(i);
        Assert.assertEquals(origPartition.getCreateTime(), retPartition.getCreateTime());
        Assert.assertEquals(origPartition.getLastAccessTime(), retPartition.getLastAccessTime());
        Assert.assertEquals(origPartition.getSd().getLocation(), sharedSD.getLocation() + retPartition.getRelativePath());
        validateMap(origPartition.getParameters(), retPartition.getParameters());
        validateList(origPartition.getValues(), retPartition.getValues());
    }
}

Example 15 with GetProjectionsSpec

use of org.apache.hadoop.hive.metastore.api.GetProjectionsSpec in project hive by apache.

the class TestGetPartitionsUsingProjectionAndFilterSpecs method testPartitionProjectionIncludeExcludeParameters.

@Test
public void testPartitionProjectionIncludeExcludeParameters() throws Throwable {
    GetPartitionsRequest request = getGetPartitionsRequest();
    GetProjectionsSpec projectSpec = request.getProjectionSpec();
    projectSpec.setFieldList(Arrays.asList("dbName", "tableName", "catName", "parameters", "values"));
    // test parameter key inclusion using setIncludeParamKeyPattern
    projectSpec.setIncludeParamKeyPattern(EXCLUDE_KEY_PREFIX + "%");
    projectSpec.setExcludeParamKeyPattern("%key1%");
    GetPartitionsResponse response = client.getPartitionsWithSpecs(request);
    PartitionSpecWithSharedSD partitionSpecWithSharedSD = response.getPartitionSpec().get(0).getSharedSDPartitionSpec();
    Assert.assertNotNull("All the partitions should be returned in sharedSD spec", partitionSpecWithSharedSD);
    PartitionListComposingSpec partitionListComposingSpec = response.getPartitionSpec().get(0).getPartitionList();
    Assert.assertNull("Partition list composing spec should be null since all the " + "partitions are expected to be in sharedSD spec", partitionListComposingSpec);
    for (PartitionWithoutSD retPartion : partitionSpecWithSharedSD.getPartitions()) {
        Assert.assertFalse("excluded parameter key is found in the response", retPartion.getParameters().containsKey(EXCLUDE_KEY_PREFIX + "key1"));
        Assert.assertTrue("included parameter key is not found in the response", retPartion.getParameters().containsKey(EXCLUDE_KEY_PREFIX + "key2"));
        Assert.assertEquals("Additional parameters returned other than inclusion keys", 1, retPartion.getParameters().size());
    }
}