private void addPartition(
String databaseName, String tableName, CatalogProtos.PartitionDescProto partitionDescProto) {
HiveCatalogStoreClientPool.HiveCatalogStoreClient client = null;
try {
client = clientPool.getClient();
Partition partition = new Partition();
partition.setDbName(databaseName);
partition.setTableName(tableName);
List<String> values = Lists.newArrayList();
for (CatalogProtos.PartitionKeyProto keyProto : partitionDescProto.getPartitionKeysList()) {
values.add(keyProto.getPartitionValue());
}
partition.setValues(values);
Table table = client.getHiveClient().getTable(databaseName, tableName);
StorageDescriptor sd = table.getSd();
sd.setLocation(partitionDescProto.getPath());
partition.setSd(sd);
client.getHiveClient().add_partition(partition);
} catch (Exception e) {
throw new TajoInternalError(e);
} finally {
if (client != null) {
client.release();
}
}
}
private void dropPartition(
String databaseName, String tableName, CatalogProtos.PartitionDescProto partitionDescProto) {
HiveCatalogStoreClientPool.HiveCatalogStoreClient client = null;
try {
client = clientPool.getClient();
List<String> values = Lists.newArrayList();
for (CatalogProtos.PartitionKeyProto keyProto : partitionDescProto.getPartitionKeysList()) {
values.add(keyProto.getPartitionValue());
}
client.getHiveClient().dropPartition(databaseName, tableName, values, true);
} catch (Exception e) {
throw new TajoInternalError(e);
} finally {
if (client != null) {
client.release();
}
}
}
@Override
public CatalogProtos.PartitionDescProto getPartition(
String databaseName, String tableName, String partitionName) throws CatalogException {
HiveCatalogStoreClientPool.HiveCatalogStoreClient client = null;
CatalogProtos.PartitionDescProto.Builder builder = null;
try {
client = clientPool.getClient();
Partition partition =
client.getHiveClient().getPartition(databaseName, tableName, partitionName);
builder = CatalogProtos.PartitionDescProto.newBuilder();
builder.setPartitionName(partitionName);
builder.setPath(partition.getSd().getLocation());
String[] partitionNames = partitionName.split("/");
for (int i = 0; i < partition.getValues().size(); i++) {
String value = partition.getValues().get(i);
CatalogProtos.PartitionKeyProto.Builder keyBuilder =
CatalogProtos.PartitionKeyProto.newBuilder();
String columnName = partitionNames[i].split("=")[0];
keyBuilder.setColumnName(columnName);
keyBuilder.setPartitionValue(value);
builder.addPartitionKeys(keyBuilder);
}
} catch (NoSuchObjectException e) {
return null;
} catch (Exception e) {
throw new TajoInternalError(e);
} finally {
if (client != null) {
client.release();
}
}
return builder.build();
}