本文整理汇总了Java中org.apache.hadoop.hive.ql.metadata.Table.getPartitionKeys方法的典型用法代码示例。如果您正苦于以下问题：Java Table.getPartitionKeys方法的具体用法？Java Table.getPartitionKeys怎么用？Java Table.getPartitionKeys使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类org.apache.hadoop.hive.ql.metadata.Table的用法示例。
在下文中一共展示了Table.getPartitionKeys方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: createPtnKeyValueMap
import org.apache.hadoop.hive.ql.metadata.Table; //导入方法依赖的package包/类
static Map<String, String> createPtnKeyValueMap(Table table, Partition ptn)
throws IOException {
List<String> values = ptn.getValues();
if (values.size() != table.getPartitionKeys().size()) {
throw new IOException(
"Partition values in partition inconsistent with table definition, table "
+ table.getTableName() + " has "
+ table.getPartitionKeys().size()
+ " partition keys, partition has " + values.size()
+ "partition values");
}
Map<String, String> ptnKeyValues = new HashMap<String, String>();
int i = 0;
for (FieldSchema schema : table.getPartitionKeys()) {
// CONCERN : the way this mapping goes, the order *needs* to be
// preserved for table.getPartitionKeys() and ptn.getValues()
ptnKeyValues.put(schema.getName().toLowerCase(), values.get(i));
i++;
}
return ptnKeyValues;
}
示例2: testCreateTable
import org.apache.hadoop.hive.ql.metadata.Table; //导入方法依赖的package包/类
@Test
public void testCreateTable() throws Exception {
prepareData(TOPIC, PARTITION);
Partitioner partitioner = HiveTestUtils.getPartitioner();
Schema schema = createSchema();
hive.createTable(hiveDatabase, TOPIC, schema, partitioner);
String location = "partition=" + String.valueOf(PARTITION);
hiveMetaStore.addPartition(hiveDatabase, TOPIC, location);
List<String> expectedColumnNames = new ArrayList<>();
for (Field field: schema.fields()) {
expectedColumnNames.add(field.name());
}
Table table = hiveMetaStore.getTable(hiveDatabase, TOPIC);
List<String> actualColumnNames = new ArrayList<>();
for (FieldSchema column: table.getSd().getCols()) {
actualColumnNames.add(column.getName());
}
assertEquals(expectedColumnNames, actualColumnNames);
List<FieldSchema> partitionCols = table.getPartitionKeys();
assertEquals(1, partitionCols.size());
assertEquals("partition", partitionCols.get(0).getName());
String[] expectedResult = {"true", "12", "12", "12.2", "12.2", "12"};
String result = HiveTestUtils.runHive(hiveExec, "SELECT * FROM " + TOPIC);
String[] rows = result.split("\n");
// Only 6 of the 7 records should have been delivered due to flush_size = 3
assertEquals(6, rows.length);
for (String row: rows) {
String[] parts = HiveTestUtils.parseOutput(row);
for (int j = 0; j < expectedResult.length; ++j) {
assertEquals(expectedResult[j], parts[j]);
}
}
}
示例3: getPartitionKeys
import org.apache.hadoop.hive.ql.metadata.Table; //导入方法依赖的package包/类
@Override
public String[] getPartitionKeys(String location, Job job)
throws IOException {
Table table = phutil.getTable(location,
hcatServerUri != null ? hcatServerUri : PigHCatUtil.getHCatServerUri(job),
PigHCatUtil.getHCatServerPrincipal(job),
job); // Pass job to initialize metastore conf overrides
List<FieldSchema> tablePartitionKeys = table.getPartitionKeys();
String[] partitionKeys = new String[tablePartitionKeys.size()];
for (int i = 0; i < tablePartitionKeys.size(); i++) {
partitionKeys[i] = tablePartitionKeys.get(i).getName();
}
return partitionKeys;
}