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Contents
// Copyright 2012 Cloudera Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
namespace cpp impala
namespace java com.cloudera.impala.thrift
namespace rb Impala.Protocol
include "Exprs.thrift"
enum TPartitionType {
UNPARTITIONED,
// round-robin partitioning
RANDOM,
// unordered partitioning on a set of exprs
HASH_PARTITIONED,
// ordered partitioning on a list of exprs
RANGE_PARTITIONED
}
// Specification of how a single logical data stream is partitioned.
// This leaves out the parameters that determine the physical partitioning (for hash
// partitioning, the number of partitions; for range partitioning, the partitions'
// boundaries), which need to be specified by the enclosing structure/context.
struct TDataPartition {
1: required TPartitionType type
2: optional list<Exprs.TExpr> partitioning_exprs
}
Version data entries
7 entries across 7 versions & 1 rubygems