Files
doris/be/src/runtime/vectorized_row_batch.cpp
2018-11-01 09:06:01 +08:00

142 lines
5.5 KiB
C++

// 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 "runtime/vectorized_row_batch.h"
#include "common/logging.h"
#include "olap/row_block.h"
namespace palo {
VectorizedRowBatch::VectorizedRowBatch(
const std::vector<FieldInfo>& schema,
const std::vector<uint32_t>& cols,
int capacity)
: _schema(schema), _cols(cols), _capacity(capacity), _limit(capacity) {
_selected_in_use = false;
_size = 0;
_tracker.reset(new MemTracker(-1));
_mem_pool.reset(new MemPool(_tracker.get()));
_selected = reinterpret_cast<uint16_t*>(new char[sizeof(uint16_t) * _capacity]);
for (ColumnId column_id : cols) {
ColumnVector* col_vec = new ColumnVector();
_col_map[column_id] = col_vec;
}
}
void VectorizedRowBatch::dump_to_row_block(RowBlock* row_block) {
if (_selected_in_use) {
for (auto column_id : _cols) {
bool no_nulls = _col_map[column_id]->no_nulls();
// pointer of this field's vector
char* vec_field_ptr = (char*)_col_map[column_id]->col_data();
// pointer of this field in row block
char* row_field_ptr =
row_block->_mem_buf + row_block->_field_offset_in_memory[column_id];
const FieldInfo& field_info = _schema[column_id];
size_t field_size = 0;
if (field_info.type == OLAP_FIELD_TYPE_CHAR ||
field_info.type == OLAP_FIELD_TYPE_VARCHAR ||
field_info.type == OLAP_FIELD_TYPE_HLL) {
field_size = sizeof(StringSlice);
} else {
field_size = field_info.length;
}
if (no_nulls) {
for (int row = 0; row < _size; ++row) {
char* vec_field =
vec_field_ptr + _selected[row] * field_size;
// Set not null
*row_field_ptr = 0;
memory_copy(row_field_ptr + 1, vec_field, field_size);
// point to next row
row_field_ptr += row_block->_mem_row_bytes;
}
} else {
bool* is_null = _col_map[column_id]->is_null();
for (int row = 0; row < _size; ++row) {
if (is_null[_selected[row]]) {
*row_field_ptr = 1;
} else {
char* vec_field =
vec_field_ptr + _selected[row] * field_size;
// Set not null
*row_field_ptr = 0;
memory_copy(row_field_ptr + 1, vec_field, field_size);
}
row_field_ptr += row_block->_mem_row_bytes;
}
}
}
} else {
for (auto column_id : _cols) {
bool no_nulls = _col_map[column_id]->no_nulls();
char* vec_field_ptr = (char*)_col_map[column_id]->col_data();
char* row_field_ptr =
row_block->_mem_buf + row_block->_field_offset_in_memory[column_id];
const FieldInfo& field_info = _schema[column_id];
size_t field_size = 0;
if (field_info.type == OLAP_FIELD_TYPE_CHAR ||
field_info.type == OLAP_FIELD_TYPE_VARCHAR ||
field_info.type == OLAP_FIELD_TYPE_HLL) {
field_size = sizeof(StringSlice);
} else {
field_size = field_info.length;
}
if (no_nulls) {
for (int row = 0; row < _size; ++row) {
char* vec_field = vec_field_ptr;
// Set not null
*row_field_ptr = 0;
memory_copy(row_field_ptr + 1, vec_field, field_size);
row_field_ptr += row_block->_mem_row_bytes;
vec_field_ptr += field_size;
}
} else {
bool* is_null = _col_map[column_id]->is_null();
for (int row = 0; row < _size; ++row) {
if (is_null[row]) {
*row_field_ptr = 1;
} else {
char* vec_field = vec_field_ptr;
// Set not null
*row_field_ptr = 0;
memory_copy(row_field_ptr + 1, vec_field, field_size);
}
row_field_ptr += row_block->_mem_row_bytes;
vec_field_ptr += field_size;
}
}
}
}
row_block->_pos = 0;
row_block->_limit = _size;
row_block->_info.row_num = _size;
row_block->_block_status = _block_status;
row_block->mem_pool()->free_all();
row_block->mem_pool()->acquire_data(_mem_pool.get(), false);
}
} // namespace palo