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[Refactor](executor)Add information_schema.workload_groups (apache#32195
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166 changes: 166 additions & 0 deletions
166
be/src/exec/schema_scanner/schema_workload_groups_scanner.cpp
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| // 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. | ||
|
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| #include "exec/schema_scanner/schema_workload_groups_scanner.h" | ||
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| #include "runtime/client_cache.h" | ||
| #include "runtime/exec_env.h" | ||
| #include "runtime/runtime_state.h" | ||
| #include "util/thrift_rpc_helper.h" | ||
| #include "vec/common/string_ref.h" | ||
| #include "vec/core/block.h" | ||
| #include "vec/data_types/data_type_factory.hpp" | ||
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| namespace doris { | ||
| std::vector<SchemaScanner::ColumnDesc> SchemaWorkloadGroupsScanner::_s_tbls_columns = { | ||
| {"ID", TYPE_BIGINT, sizeof(int64_t), true}, | ||
| {"NAME", TYPE_VARCHAR, sizeof(StringRef), true}, | ||
| {"CPU_SHARE", TYPE_BIGINT, sizeof(int64_t), true}, | ||
| {"MEMORY_LIMIT", TYPE_VARCHAR, sizeof(StringRef), true}, | ||
| {"ENABLE_MEMORY_OVERCOMMIT", TYPE_VARCHAR, sizeof(StringRef), true}, | ||
| {"MAX_CONCURRENCY", TYPE_BIGINT, sizeof(int64_t), true}, | ||
| {"MAX_QUEUE_SIZE", TYPE_BIGINT, sizeof(int64_t), true}, | ||
| {"QUEUE_TIMEOUT", TYPE_BIGINT, sizeof(int64_t), true}, | ||
| {"CPU_HARD_LIMIT", TYPE_STRING, sizeof(StringRef), true}, | ||
| {"SCAN_THREAD_NUM", TYPE_BIGINT, sizeof(int64_t), true}, | ||
| {"MAX_REMOTE_SCAN_THREAD_NUM", TYPE_BIGINT, sizeof(int64_t), true}, | ||
| {"MIN_REMOTE_SCAN_THREAD_NUM", TYPE_BIGINT, sizeof(int64_t), true}}; | ||
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| SchemaWorkloadGroupsScanner::SchemaWorkloadGroupsScanner() | ||
| : SchemaScanner(_s_tbls_columns, TSchemaTableType::SCH_WORKLOAD_GROUPS) {} | ||
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| SchemaWorkloadGroupsScanner::~SchemaWorkloadGroupsScanner() {} | ||
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| Status SchemaWorkloadGroupsScanner::start(RuntimeState* state) { | ||
| _block_rows_limit = state->batch_size(); | ||
| _rpc_timeout = state->execution_timeout() * 1000; | ||
| return Status::OK(); | ||
| } | ||
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| Status SchemaWorkloadGroupsScanner::_get_workload_groups_block_from_fe() { | ||
| TNetworkAddress master_addr = ExecEnv::GetInstance()->master_info()->network_address; | ||
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| TSchemaTableRequestParams schema_table_request_params; | ||
| for (int i = 0; i < _s_tbls_columns.size(); i++) { | ||
| schema_table_request_params.__isset.columns_name = true; | ||
| schema_table_request_params.columns_name.emplace_back(_s_tbls_columns[i].name); | ||
| } | ||
| schema_table_request_params.__set_current_user_ident(*_param->common_param->current_user_ident); | ||
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| TFetchSchemaTableDataRequest request; | ||
| request.__set_schema_table_name(TSchemaTableName::WORKLOAD_GROUPS); | ||
| request.__set_schema_table_params(schema_table_request_params); | ||
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| TFetchSchemaTableDataResult result; | ||
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| RETURN_IF_ERROR(ThriftRpcHelper::rpc<FrontendServiceClient>( | ||
| master_addr.hostname, master_addr.port, | ||
| [&request, &result](FrontendServiceConnection& client) { | ||
| client->fetchSchemaTableData(result, request); | ||
| }, | ||
| _rpc_timeout)); | ||
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| Status status(Status::create(result.status)); | ||
| if (!status.ok()) { | ||
| LOG(WARNING) << "fetch workload groups from FE failed, errmsg=" << status; | ||
| return status; | ||
| } | ||
| std::vector<TRow> result_data = result.data_batch; | ||
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| _workload_groups_block = vectorized::Block::create_unique(); | ||
| for (int i = 0; i < _s_tbls_columns.size(); ++i) { | ||
| TypeDescriptor descriptor(_s_tbls_columns[i].type); | ||
| auto data_type = vectorized::DataTypeFactory::instance().create_data_type(descriptor, true); | ||
| _workload_groups_block->insert(vectorized::ColumnWithTypeAndName( | ||
| data_type->create_column(), data_type, _s_tbls_columns[i].name)); | ||
| } | ||
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| _workload_groups_block->reserve(_block_rows_limit); | ||
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| if (result_data.size() > 0) { | ||
| int col_size = result_data[0].column_value.size(); | ||
| if (col_size != _s_tbls_columns.size()) { | ||
| return Status::InternalError<false>( | ||
| "workload groups schema is not match for FE and BE"); | ||
| } | ||
| } | ||
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| // todo(wb) reuse this callback function | ||
| auto insert_string_value = [&](int col_index, std::string str_val, vectorized::Block* block) { | ||
| vectorized::MutableColumnPtr mutable_col_ptr; | ||
| mutable_col_ptr = std::move(*block->get_by_position(col_index).column).assume_mutable(); | ||
| auto* nullable_column = | ||
| reinterpret_cast<vectorized::ColumnNullable*>(mutable_col_ptr.get()); | ||
| vectorized::IColumn* col_ptr = &nullable_column->get_nested_column(); | ||
| reinterpret_cast<vectorized::ColumnString*>(col_ptr)->insert_data(str_val.data(), | ||
| str_val.size()); | ||
| nullable_column->get_null_map_data().emplace_back(0); | ||
| }; | ||
| auto insert_int_value = [&](int col_index, int64_t int_val, vectorized::Block* block) { | ||
| vectorized::MutableColumnPtr mutable_col_ptr; | ||
| mutable_col_ptr = std::move(*block->get_by_position(col_index).column).assume_mutable(); | ||
| auto* nullable_column = | ||
| reinterpret_cast<vectorized::ColumnNullable*>(mutable_col_ptr.get()); | ||
| vectorized::IColumn* col_ptr = &nullable_column->get_nested_column(); | ||
| reinterpret_cast<vectorized::ColumnVector<vectorized::Int64>*>(col_ptr)->insert_value( | ||
| int_val); | ||
| nullable_column->get_null_map_data().emplace_back(0); | ||
| }; | ||
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| for (int i = 0; i < result_data.size(); i++) { | ||
| TRow row = result_data[i]; | ||
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| for (int j = 0; j < _s_tbls_columns.size(); j++) { | ||
| if (_s_tbls_columns[j].type == TYPE_BIGINT) { | ||
| insert_int_value(j, row.column_value[j].longVal, _workload_groups_block.get()); | ||
| } else { | ||
| insert_string_value(j, row.column_value[j].stringVal, _workload_groups_block.get()); | ||
| } | ||
| } | ||
| } | ||
| return Status::OK(); | ||
| } | ||
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| Status SchemaWorkloadGroupsScanner::get_next_block(vectorized::Block* block, bool* eos) { | ||
| if (!_is_init) { | ||
| return Status::InternalError("Used before initialized."); | ||
| } | ||
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| if (nullptr == block || nullptr == eos) { | ||
| return Status::InternalError("input pointer is nullptr."); | ||
| } | ||
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| if (_workload_groups_block == nullptr) { | ||
| RETURN_IF_ERROR(_get_workload_groups_block_from_fe()); | ||
| _total_rows = _workload_groups_block->rows(); | ||
| } | ||
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| if (_row_idx == _total_rows) { | ||
| *eos = true; | ||
| return Status::OK(); | ||
| } | ||
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| int current_batch_rows = std::min(_block_rows_limit, _total_rows - _row_idx); | ||
| vectorized::MutableBlock mblock = vectorized::MutableBlock::build_mutable_block(block); | ||
| mblock.add_rows(_workload_groups_block.get(), _row_idx, current_batch_rows); | ||
| _row_idx += current_batch_rows; | ||
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| *eos = _row_idx == _total_rows; | ||
| return Status::OK(); | ||
| } | ||
|
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| } // namespace doris |
52 changes: 52 additions & 0 deletions
52
be/src/exec/schema_scanner/schema_workload_groups_scanner.h
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,52 @@ | ||
| // 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. | ||
|
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| #pragma once | ||
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| #include <vector> | ||
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| #include "common/status.h" | ||
| #include "exec/schema_scanner.h" | ||
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| namespace doris { | ||
| class RuntimeState; | ||
| namespace vectorized { | ||
| class Block; | ||
| } // namespace vectorized | ||
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| class SchemaWorkloadGroupsScanner : public SchemaScanner { | ||
| ENABLE_FACTORY_CREATOR(SchemaWorkloadGroupsScanner); | ||
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| public: | ||
| SchemaWorkloadGroupsScanner(); | ||
| ~SchemaWorkloadGroupsScanner() override; | ||
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| Status start(RuntimeState* state) override; | ||
| Status get_next_block(vectorized::Block* block, bool* eos) override; | ||
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| static std::vector<SchemaScanner::ColumnDesc> _s_tbls_columns; | ||
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| private: | ||
| Status _get_workload_groups_block_from_fe(); | ||
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| int _block_rows_limit = 4096; | ||
| int _row_idx = 0; | ||
| int _total_rows = 0; | ||
| std::unique_ptr<vectorized::Block> _workload_groups_block = nullptr; | ||
| int _rpc_timeout = 3000; | ||
| }; | ||
| }; // namespace doris |
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