| // Licensed to the Apache Software Foundation (ASF) under one |
| // or more contributor license agreements. See the NOTICE file |
| // distributed with this work for additional information |
| // regarding copyright ownership. The ASF licenses this file |
| // to you 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 doris |
| namespace java org.apache.doris.thrift |
| |
| include "Exprs.thrift" |
| include "Types.thrift" |
| |
| enum TPartitionType { |
| UNPARTITIONED, |
| |
| // round-robin partition |
| RANDOM, |
| |
| // unordered partition on a set of exprs |
| // (partition bounds overlap) |
| HASH_PARTITIONED, |
| |
| // ordered partition on a list of exprs |
| // (partition bounds don't overlap) |
| RANGE_PARTITIONED, |
| |
| // partition on a list of exprs |
| LIST_PARTITIONED, |
| |
| // unordered partition on a set of exprs |
| // (only use in bucket shuffle join) |
| BUCKET_SHFFULE_HASH_PARTITIONED |
| } |
| |
| enum TDistributionType { |
| UNPARTITIONED, |
| |
| // round-robin partition |
| RANDOM, |
| |
| // unordered partition on a set of exprs |
| // (partition bounds overlap) |
| HASH_PARTITIONED |
| } |
| |
| // TODO(zc): Refine |
| // Move the following to Partitions |
| struct TPartitionKey { |
| 1: required i16 sign |
| 2: optional Types.TPrimitiveType type |
| 3: optional string key |
| } |
| |
| struct TPartitionRange { |
| 1: required TPartitionKey start_key |
| 2: required TPartitionKey end_key |
| 3: required bool include_start_key |
| 4: required bool include_end_key |
| } |
| |
| // Partition info |
| struct TRangePartition { |
| 1: required i64 partition_id |
| 2: required TPartitionRange range |
| |
| // what distribute information in this partition. |
| 3: optional list<Exprs.TExpr> distributed_exprs |
| 4: optional i32 distribute_bucket |
| } |
| |
| // Specification of how a single logical data stream is partitioned. |
| // This leaves out the parameters that determine the physical partition (for hash |
| // partitions, the number of partitions; for range partitions, the partitions' |
| // boundaries), which need to be specified by the enclosing structure/context. |
| struct TDataPartition { |
| 1: required TPartitionType type |
| 2: optional list<Exprs.TExpr> partition_exprs |
| 3: optional list<TRangePartition> partition_infos |
| } |
| |
| |