| /* |
| * 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. |
| */ |
| |
| syntax = "proto3"; |
| package remote_engine; |
| |
| import "engine/schema.proto"; |
| import "engine/time_range.proto"; |
| import "cluster.proto"; |
| import "common.proto"; |
| import "storage.proto"; |
| |
| service RemoteEngineService { |
| rpc Read(ReadRequest) returns (stream ReadResponse) {} |
| rpc Write(WriteRequest) returns (WriteResponse) {} |
| rpc GetTableInfo(GetTableInfoRequest) returns (GetTableInfoResponse) {} |
| rpc WriteBatch(WriteBatchRequest) returns (WriteResponse) {} |
| rpc ExecutePhysicalPlan(ExecutePlanRequest) returns (stream ReadResponse) {} |
| rpc AlterTableSchema(AlterTableSchemaRequest) |
| returns (AlterTableSchemaResponse) {} |
| rpc AlterTableOptions(AlterTableOptionsRequest) |
| returns (AlterTableOptionsResponse) {} |
| } |
| |
| message TableIdentifier { |
| string catalog = 1; |
| string schema = 2; |
| string table = 3; |
| } |
| |
| message ReadOptions { |
| uint64 batch_size = 1; |
| uint64 read_parallelism = 2; |
| // -1 means no timeout |
| int64 timeout_ms = 3; |
| } |
| |
| message Predicate { |
| repeated bytes exprs = 1; |
| time_range.TimeRange time_range = 2; |
| } |
| |
| enum ReadOrder { |
| None = 0; |
| Asc = 1; |
| Desc = 2; |
| } |
| |
| message TableReadRequest { |
| string request_id = 1; |
| ReadOptions opts = 2; |
| schema.ProjectedSchema projected_schema = 3; |
| Predicate predicate = 4; |
| ReadOrder order = 5; |
| } |
| |
| message ReadRequest { |
| TableIdentifier table = 1; |
| TableReadRequest read_request = 2; |
| } |
| |
| message ReadResponse { |
| common.ResponseHeader header = 1; |
| oneof output { |
| storage.ArrowPayload arrow = 2; |
| // This field is used to return metric of child node when query is executed |
| // in distributed mode. |
| MetricPayload metric = 3; |
| } |
| } |
| |
| message MetricPayload { |
| string metric = 1; |
| } |
| |
| message ColumnDesc { |
| uint32 id = 1; |
| schema.DataType typ = 2; |
| } |
| |
| message ContiguousRows { |
| uint32 schema_version = 1; |
| repeated bytes encoded_rows = 2; |
| repeated ColumnDesc column_descs = 3; |
| } |
| |
| message RowGroup { |
| int64 min_timestamp = 1; |
| int64 max_timestamp = 2; |
| oneof rows { |
| storage.ArrowPayload arrow = 3; |
| ContiguousRows contiguous = 4; |
| } |
| } |
| |
| message WriteRequest { |
| TableIdentifier table = 1; |
| RowGroup row_group = 2; |
| } |
| |
| message WriteResponse { |
| common.ResponseHeader header = 1; |
| uint64 affected_rows = 2; |
| } |
| |
| message GetTableInfoRequest { |
| TableIdentifier table = 1; |
| } |
| |
| message TableInfo { |
| string catalog_name = 1; |
| string schema_name = 2; |
| uint32 schema_id = 3; |
| string table_name = 4; |
| uint64 table_id = 5; |
| schema.TableSchema table_schema = 6; |
| string engine = 7; |
| map<string, string> options = 8; |
| cluster.PartitionInfo partition_info = 9; |
| } |
| |
| message GetTableInfoResponse { |
| common.ResponseHeader header = 1; |
| TableInfo table_info = 2; |
| } |
| |
| message WriteBatchRequest { |
| repeated WriteRequest batch = 1; |
| } |
| |
| message ExtensionNode { |
| oneof typed_extension { |
| DistSqlQueryExtensionNode dist_sql_query = 1; |
| } |
| } |
| |
| message DistSqlQueryExtensionNode { |
| UnresolvedSubScan unresolved_sub_scan = 1; |
| } |
| |
| message UnresolvedSubScan { |
| TableIdentifier table = 1; |
| TableScanContext table_scan_ctx = 2; |
| } |
| |
| enum QueryPriority { |
| High = 0; |
| Low = 1; |
| } |
| |
| enum Explain { Analyze = 0; } |
| |
| message ExecContext { |
| string request_id = 1; |
| string default_catalog = 2; |
| string default_schema = 3; |
| // -1 means no timeout |
| int64 timeout_ms = 4; |
| QueryPriority priority = 5; |
| string displayable_query = 6; |
| optional Explain explain = 7; |
| } |
| |
| message ExecutePlanRequest { |
| ExecContext context = 1; |
| oneof physical_plan { |
| bytes datafusion = 2; |
| } |
| TableIdentifier table = 3; |
| } |
| |
| message AlterTableSchemaRequest { |
| TableIdentifier table = 1; |
| schema.TableSchema table_schema = 2; |
| uint32 pre_schema_version = 3; |
| } |
| |
| message AlterTableSchemaResponse { |
| common.ResponseHeader header = 1; |
| } |
| |
| message AlterTableOptionsRequest { |
| TableIdentifier table = 1; |
| map<string, string> options = 2; |
| } |
| |
| message AlterTableOptionsResponse { |
| common.ResponseHeader header = 1; |
| } |
| |
| message TableScanContext { |
| uint64 batch_size = 1; |
| uint64 read_parallelism = 2; |
| schema.ProjectedSchema projected_schema = 3; |
| Predicate predicate = 4; |
| } |