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doris/be/src/exec/schema_scanner/schema_routine_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.
#include "exec/schema_scanner/schema_routine_scanner.h"
#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"
namespace doris {
std::vector<SchemaScanner::ColumnDesc> SchemaRoutinesScanner::_s_tbls_columns = {
{"SPECIFIC_NAME", TYPE_VARCHAR, sizeof(StringRef), true},
{"ROUTINE_CATALOG", TYPE_VARCHAR, sizeof(StringRef), true},
{"ROUTINE_SCHEMA", TYPE_VARCHAR, sizeof(StringRef), true},
{"ROUTINE_NAME", TYPE_VARCHAR, sizeof(StringRef), true},
{"ROUTINE_TYPE", TYPE_VARCHAR, sizeof(StringRef), true},
{"DTD_IDENTIFIER", TYPE_VARCHAR, sizeof(StringRef), true},
{"ROUTINE_BODY", TYPE_VARCHAR, sizeof(StringRef), true},
{"ROUTINE_DEFINITION", TYPE_VARCHAR, sizeof(StringRef), true},
{"EXTERNAL_NAME", TYPE_VARCHAR, sizeof(StringRef), true},
{"EXTERNAL_LANGUAGE", TYPE_VARCHAR, sizeof(StringRef), true},
{"PARAMETER_STYLE", TYPE_VARCHAR, sizeof(StringRef), true},
{"IS_DETERMINISTIC", TYPE_VARCHAR, sizeof(StringRef), true},
{"SQL_DATA_ACCESS", TYPE_VARCHAR, sizeof(StringRef), true},
{"SQL_PATH", TYPE_VARCHAR, sizeof(StringRef), true},
{"SECURITY_TYPE", TYPE_VARCHAR, sizeof(StringRef), true},
{"CREATED", TYPE_DATETIME, sizeof(int64_t), true},
{"LAST_ALTERED", TYPE_DATETIME, sizeof(int64_t), true},
{"SQL_MODE", TYPE_VARCHAR, sizeof(StringRef), true},
{"ROUTINE_COMMENT", TYPE_VARCHAR, sizeof(StringRef), true},
{"DEFINER", TYPE_VARCHAR, sizeof(StringRef), true},
{"CHARACTER_SET_CLIENT", TYPE_VARCHAR, sizeof(StringRef), true},
{"COLLATION_CONNECTION", TYPE_VARCHAR, sizeof(StringRef), true},
{"DATABASE_COLLATION", TYPE_VARCHAR, sizeof(StringRef), true},
};
SchemaRoutinesScanner::SchemaRoutinesScanner()
: SchemaScanner(_s_tbls_columns, TSchemaTableType::SCH_PROCEDURES) {}
Status SchemaRoutinesScanner::start(RuntimeState* state) {
_block_rows_limit = state->batch_size();
_rpc_timeout = state->execution_timeout() * 1000;
return Status::OK();
}
Status SchemaRoutinesScanner::get_block_from_fe() {
TNetworkAddress master_addr = ExecEnv::GetInstance()->master_info()->network_address;
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);
TFetchSchemaTableDataRequest request;
request.__set_schema_table_name(TSchemaTableName::ROUTINES_INFO);
request.__set_schema_table_params(schema_table_request_params);
TFetchSchemaTableDataResult result;
RETURN_IF_ERROR(ThriftRpcHelper::rpc<FrontendServiceClient>(
master_addr.hostname, master_addr.port,
[&request, &result](FrontendServiceConnection& client) {
client->fetchSchemaTableData(result, request);
},
_rpc_timeout));
Status status(Status::create(result.status));
if (!status.ok()) {
LOG(WARNING) << "fetch routines from FE failed, errmsg=" << status;
return status;
}
std::vector<TRow> result_data = result.data_batch;
_routines_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);
_routines_block->insert(vectorized::ColumnWithTypeAndName(
data_type->create_column(), data_type, _s_tbls_columns[i].name));
}
_routines_block->reserve(_block_rows_limit);
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>("routine table schema is not match for FE and BE");
}
}
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_datetime_value = [&](int col_index, const std::vector<void*>& datas,
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();
auto data = datas[0];
reinterpret_cast<vectorized::ColumnVector<vectorized::Int64>*>(col_ptr)->insert_data(
reinterpret_cast<char*>(data), 0);
nullable_column->get_null_map_data().emplace_back(0);
};
for (int i = 0; i < result_data.size(); i++) {
TRow row = result_data[i];
for (int j = 0; j < _s_tbls_columns.size(); j++) {
if (_s_tbls_columns[j].type == TYPE_DATETIME) {
std::vector<void*> datas(1);
VecDateTimeValue src[1];
src[0].from_date_str(row.column_value[j].stringVal.data(),
row.column_value[j].stringVal.size());
datas[0] = src;
insert_datetime_value(j, datas, _routines_block.get());
} else {
insert_string_value(j, row.column_value[j].stringVal, _routines_block.get());
}
}
}
return Status::OK();
}
Status SchemaRoutinesScanner::get_next_block_internal(vectorized::Block* block, bool* eos) {
if (!_is_init) {
return Status::InternalError("Used before initialized.");
}
if (nullptr == block || nullptr == eos) {
return Status::InternalError("input pointer is nullptr.");
}
if (_routines_block == nullptr) {
RETURN_IF_ERROR(get_block_from_fe());
_total_rows = _routines_block->rows();
}
if (_row_idx == _total_rows) {
*eos = true;
return Status::OK();
}
int current_batch_rows = std::min(_block_rows_limit, _total_rows - _row_idx);
vectorized::MutableBlock mblock = vectorized::MutableBlock::build_mutable_block(block);
RETURN_IF_ERROR(mblock.add_rows(_routines_block.get(), _row_idx, current_batch_rows));
_row_idx += current_batch_rows;
*eos = _row_idx == _total_rows;
return Status::OK();
}
} // namespace doris