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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.
// This file is copied from
// https://github.com/ClickHouse/ClickHouse/blob/master/src/Core/Block.cpp
// and modified by Doris
#include "vec/core/block.h"
#include <assert.h>
#include <fmt/format.h>
#include <gen_cpp/data.pb.h>
#include <snappy.h>
#include <sys/types.h>
#include <algorithm>
#include <iomanip>
#include <iterator>
#include <limits>
#include "agent/be_exec_version_manager.h"
// IWYU pragma: no_include <opentelemetry/common/threadlocal.h>
#include "common/compiler_util.h" // IWYU pragma: keep
#include "common/config.h"
#include "common/logging.h"
#include "common/status.h"
#include "runtime/descriptors.h"
#include "runtime/thread_context.h"
#include "util/block_compression.h"
#include "util/faststring.h"
#include "util/runtime_profile.h"
#include "util/simd/bits.h"
#include "util/slice.h"
#include "vec/aggregate_functions/aggregate_function.h"
#include "vec/columns/column.h"
#include "vec/columns/column_const.h"
#include "vec/columns/column_nullable.h"
#include "vec/columns/column_vector.h"
#include "vec/columns/columns_number.h"
#include "vec/common/assert_cast.h"
#include "vec/data_types/data_type_factory.hpp"
class SipHash;
namespace doris {
namespace segment_v2 {
enum CompressionTypePB : int;
} // namespace segment_v2
} // namespace doris
namespace doris::vectorized {
Block::Block(std::initializer_list<ColumnWithTypeAndName> il) : data {il} {
initialize_index_by_name();
}
Block::Block(const ColumnsWithTypeAndName& data_) : data {data_} {
initialize_index_by_name();
}
Block::Block(const std::vector<SlotDescriptor*>& slots, size_t block_size,
bool ignore_trivial_slot) {
for (const auto slot_desc : slots) {
if (ignore_trivial_slot && !slot_desc->need_materialize()) {
continue;
}
auto column_ptr = slot_desc->get_empty_mutable_column();
column_ptr->reserve(block_size);
insert(ColumnWithTypeAndName(std::move(column_ptr), slot_desc->get_data_type_ptr(),
slot_desc->col_name()));
}
}
Block::Block(const PBlock& pblock) {
int be_exec_version = pblock.has_be_exec_version() ? pblock.be_exec_version() : 0;
CHECK(BeExecVersionManager::check_be_exec_version(be_exec_version));
const char* buf = nullptr;
std::string compression_scratch;
if (pblock.compressed()) {
// Decompress
SCOPED_RAW_TIMER(&_decompress_time_ns);
const char* compressed_data = pblock.column_values().c_str();
size_t compressed_size = pblock.column_values().size();
size_t uncompressed_size = 0;
if (pblock.has_compression_type() && pblock.has_uncompressed_size()) {
BlockCompressionCodec* codec;
get_block_compression_codec(pblock.compression_type(), &codec);
uncompressed_size = pblock.uncompressed_size();
compression_scratch.resize(uncompressed_size);
Slice decompressed_slice(compression_scratch);
codec->decompress(Slice(compressed_data, compressed_size), &decompressed_slice);
DCHECK(uncompressed_size == decompressed_slice.size);
} else {
bool success = snappy::GetUncompressedLength(compressed_data, compressed_size,
&uncompressed_size);
DCHECK(success) << "snappy::GetUncompressedLength failed";
compression_scratch.resize(uncompressed_size);
success = snappy::RawUncompress(compressed_data, compressed_size,
compression_scratch.data());
DCHECK(success) << "snappy::RawUncompress failed";
}
_decompressed_bytes = uncompressed_size;
buf = compression_scratch.data();
} else {
buf = pblock.column_values().data();
}
for (const auto& pcol_meta : pblock.column_metas()) {
DataTypePtr type = DataTypeFactory::instance().create_data_type(pcol_meta);
MutableColumnPtr data_column = type->create_column();
buf = type->deserialize(buf, data_column.get(), pblock.be_exec_version());
data.emplace_back(data_column->get_ptr(), type, pcol_meta.name());
}
initialize_index_by_name();
}
void Block::initialize_index_by_name() {
for (size_t i = 0, size = data.size(); i < size; ++i) {
index_by_name[data[i].name] = i;
}
}
void Block::insert(size_t position, const ColumnWithTypeAndName& elem) {
if (position > data.size()) {
LOG(FATAL) << fmt::format("Position out of bound in Block::insert(), max position = {}",
data.size());
}
for (auto& name_pos : index_by_name) {
if (name_pos.second >= position) {
++name_pos.second;
}
}
index_by_name.emplace(elem.name, position);
data.emplace(data.begin() + position, elem);
}
void Block::insert(size_t position, ColumnWithTypeAndName&& elem) {
if (position > data.size()) {
LOG(FATAL) << fmt::format("Position out of bound in Block::insert(), max position = {}",
data.size());
}
for (auto& name_pos : index_by_name) {
if (name_pos.second >= position) {
++name_pos.second;
}
}
index_by_name.emplace(elem.name, position);
data.emplace(data.begin() + position, std::move(elem));
}
void Block::insert(const ColumnWithTypeAndName& elem) {
index_by_name.emplace(elem.name, data.size());
data.emplace_back(elem);
}
void Block::insert(ColumnWithTypeAndName&& elem) {
index_by_name.emplace(elem.name, data.size());
data.emplace_back(std::move(elem));
}
void Block::insert_unique(const ColumnWithTypeAndName& elem) {
if (index_by_name.end() == index_by_name.find(elem.name)) {
insert(elem);
}
}
void Block::insert_unique(ColumnWithTypeAndName&& elem) {
if (index_by_name.end() == index_by_name.find(elem.name)) {
insert(std::move(elem));
}
}
void Block::erase(const std::set<size_t>& positions) {
for (auto it = positions.rbegin(); it != positions.rend(); ++it) {
erase(*it);
}
}
void Block::erase_tail(size_t start) {
DCHECK(start <= data.size()) << fmt::format(
"Position out of bound in Block::erase(), max position = {}", data.size());
data.erase(data.begin() + start, data.end());
for (auto it = index_by_name.begin(); it != index_by_name.end();) {
if (it->second >= start) {
index_by_name.erase(it++);
} else {
++it;
}
}
if (start < row_same_bit.size()) {
row_same_bit.erase(row_same_bit.begin() + start, row_same_bit.end());
}
}
void Block::erase(size_t position) {
DCHECK(!data.empty()) << "Block is empty";
DCHECK_LT(position, data.size()) << fmt::format(
"Position out of bound in Block::erase(), max position = {}", data.size() - 1);
erase_impl(position);
}
void Block::erase_impl(size_t position) {
data.erase(data.begin() + position);
for (auto it = index_by_name.begin(); it != index_by_name.end();) {
if (it->second == position)
index_by_name.erase(it++);
else {
if (it->second > position) --it->second;
++it;
}
}
if (position < row_same_bit.size()) {
row_same_bit.erase(row_same_bit.begin() + position);
}
}
void Block::erase(const String& name) {
auto index_it = index_by_name.find(name);
if (index_it == index_by_name.end()) {
LOG(FATAL) << fmt::format("No such name in Block::erase(): '{}'", name);
}
erase_impl(index_it->second);
}
ColumnWithTypeAndName& Block::safe_get_by_position(size_t position) {
if (data.empty()) {
LOG(FATAL) << "Block is empty";
}
if (position >= data.size()) {
LOG(FATAL) << fmt::format(
"Position {} is out of bound in Block::safe_get_by_position(), max position = {}, "
"there are columns: {}",
position, data.size() - 1, dump_names());
}
return data[position];
}
const ColumnWithTypeAndName& Block::safe_get_by_position(size_t position) const {
if (data.empty()) {
LOG(FATAL) << "Block is empty";
}
if (position >= data.size()) {
LOG(FATAL) << fmt::format(
"Position {} is out of bound in Block::safe_get_by_position(), max position = {}, "
"there are columns: {}",
position, data.size() - 1, dump_names());
}
return data[position];
}
ColumnWithTypeAndName& Block::get_by_name(const std::string& name) {
auto it = index_by_name.find(name);
if (index_by_name.end() == it) {
LOG(FATAL) << fmt::format("Not found column {} in block. There are only columns: {}", name,
dump_names());
}
return data[it->second];
}
const ColumnWithTypeAndName& Block::get_by_name(const std::string& name) const {
auto it = index_by_name.find(name);
if (index_by_name.end() == it) {
LOG(FATAL) << fmt::format("Not found column {} in block. There are only columns: {}", name,
dump_names());
}
return data[it->second];
}
ColumnWithTypeAndName* Block::try_get_by_name(const std::string& name) {
auto it = index_by_name.find(name);
if (index_by_name.end() == it) {
return nullptr;
}
return &data[it->second];
}
const ColumnWithTypeAndName* Block::try_get_by_name(const std::string& name) const {
auto it = index_by_name.find(name);
if (index_by_name.end() == it) {
return nullptr;
}
return &data[it->second];
}
bool Block::has(const std::string& name) const {
return index_by_name.end() != index_by_name.find(name);
}
size_t Block::get_position_by_name(const std::string& name) const {
auto it = index_by_name.find(name);
if (index_by_name.end() == it) {
LOG(FATAL) << fmt::format("Not found column {} in block. There are only columns: {}", name,
dump_names());
}
return it->second;
}
void Block::check_number_of_rows(bool allow_null_columns) const {
ssize_t rows = -1;
for (const auto& elem : data) {
if (!elem.column && allow_null_columns) continue;
if (!elem.column) {
LOG(FATAL) << fmt::format(
"Column {} in block is nullptr, in method check_number_of_rows.", elem.name);
}
ssize_t size = elem.column->size();
if (rows == -1) {
rows = size;
} else if (rows != size) {
LOG(FATAL) << fmt::format("Sizes of columns doesn't match: {}:{},{}:{}, col size: {}",
data.front().name, rows, elem.name, size, each_col_size());
}
}
}
size_t Block::rows() const {
for (const auto& elem : data) {
if (elem.column) {
return elem.column->size();
}
}
return 0;
}
std::string Block::each_col_size() const {
std::string ss;
for (const auto& elem : data) {
if (elem.column) {
ss += elem.column->size();
ss += " | ";
} else {
ss += "-1 | ";
}
}
return ss;
}
void Block::set_num_rows(size_t length) {
if (rows() > length) {
for (auto& elem : data) {
if (elem.column) {
elem.column = elem.column->cut(0, length);
}
}
if (length < row_same_bit.size()) {
row_same_bit.resize(length);
}
}
}
void Block::skip_num_rows(int64_t& length) {
auto origin_rows = rows();
if (origin_rows <= length) {
clear();
length -= origin_rows;
} else {
for (auto& elem : data) {
if (elem.column) {
elem.column = elem.column->cut(length, origin_rows - length);
}
}
if (length < row_same_bit.size()) {
row_same_bit.assign(row_same_bit.begin() + length, row_same_bit.end());
}
}
}
size_t Block::bytes() const {
size_t res = 0;
for (const auto& elem : data) {
res += elem.column->byte_size();
}
return res;
}
size_t Block::allocated_bytes() const {
size_t res = 0;
for (const auto& elem : data) {
res += elem.column->allocated_bytes();
}
return res;
}
std::string Block::dump_names() const {
std::string out;
for (auto it = data.begin(); it != data.end(); ++it) {
if (it != data.begin()) {
out += ", ";
}
out += it->name;
}
return out;
}
std::string Block::dump_types() const {
std::string out;
for (auto it = data.begin(); it != data.end(); ++it) {
if (it != data.begin()) {
out += ", ";
}
out += it->type->get_name();
}
return out;
}
std::string Block::dump_data(size_t begin, size_t row_limit) const {
std::vector<std::string> headers;
std::vector<size_t> headers_size;
for (const auto& it : data) {
std::string s = fmt::format("{}({})", it.name, it.type->get_name());
headers_size.push_back(s.size() > 15 ? s.size() : 15);
headers.emplace_back(s);
}
std::stringstream out;
// header upper line
auto line = [&]() {
for (size_t i = 0; i < columns(); ++i) {
out << std::setfill('-') << std::setw(1) << "+" << std::setw(headers_size[i]) << "-";
}
out << std::setw(1) << "+" << std::endl;
};
line();
// header text
for (size_t i = 0; i < columns(); ++i) {
out << std::setfill(' ') << std::setw(1) << "|" << std::left << std::setw(headers_size[i])
<< headers[i];
}
out << std::setw(1) << "|" << std::endl;
// header bottom line
line();
if (rows() == 0) {
return out.str();
}
// content
for (size_t row_num = begin; row_num < rows() && row_num < row_limit + begin; ++row_num) {
for (size_t i = 0; i < columns(); ++i) {
if (data[i].column->empty()) {
out << std::setfill(' ') << std::setw(1) << "|" << std::setw(headers_size[i])
<< std::right;
continue;
}
std::string s;
if (data[i].column) {
s = data[i].to_string(row_num);
}
if (s.length() > headers_size[i]) {
s = s.substr(0, headers_size[i] - 3) + "...";
}
out << std::setfill(' ') << std::setw(1) << "|" << std::setw(headers_size[i])
<< std::right << s;
}
out << std::setw(1) << "|" << std::endl;
}
// bottom line
line();
if (row_limit < rows()) {
out << rows() << " rows in block, only show first " << row_limit << " rows." << std::endl;
}
return out.str();
}
std::string Block::dump_one_line(size_t row, int column_end) const {
assert(column_end <= columns());
fmt::memory_buffer line;
for (int i = 0; i < column_end; ++i) {
if (LIKELY(i != 0)) {
// TODO: need more effective function of to string. now the impl is slow
fmt::format_to(line, " {}", data[i].to_string(row));
} else {
fmt::format_to(line, "{}", data[i].to_string(row));
}
}
return fmt::to_string(line);
}
std::string Block::dump_structure() const {
std::string out;
for (auto it = data.begin(); it != data.end(); ++it) {
if (it != data.begin()) {
out += ", \n";
}
out += it->dump_structure();
}
return out;
}
Block Block::clone_empty() const {
Block res;
for (const auto& elem : data) {
res.insert(elem.clone_empty());
}
return res;
}
MutableColumns Block::clone_empty_columns() const {
size_t num_columns = data.size();
MutableColumns columns(num_columns);
for (size_t i = 0; i < num_columns; ++i) {
columns[i] = data[i].column ? data[i].column->clone_empty() : data[i].type->create_column();
}
return columns;
}
Columns Block::get_columns() const {
size_t num_columns = data.size();
Columns columns(num_columns);
for (size_t i = 0; i < num_columns; ++i) {
columns[i] = data[i].column;
}
return columns;
}
MutableColumns Block::mutate_columns() {
size_t num_columns = data.size();
MutableColumns columns(num_columns);
for (size_t i = 0; i < num_columns; ++i) {
columns[i] = data[i].column ? (*std::move(data[i].column)).assume_mutable()
: data[i].type->create_column();
}
return columns;
}
void Block::set_columns(MutableColumns&& columns) {
/// TODO: assert if |columns| doesn't match |data|!
size_t num_columns = data.size();
for (size_t i = 0; i < num_columns; ++i) {
data[i].column = std::move(columns[i]);
}
}
void Block::set_columns(const Columns& columns) {
/// TODO: assert if |columns| doesn't match |data|!
size_t num_columns = data.size();
for (size_t i = 0; i < num_columns; ++i) {
data[i].column = columns[i];
}
}
Block Block::clone_with_columns(MutableColumns&& columns) const {
Block res;
size_t num_columns = data.size();
for (size_t i = 0; i < num_columns; ++i) {
res.insert({std::move(columns[i]), data[i].type, data[i].name});
}
return res;
}
Block Block::clone_with_columns(const Columns& columns) const {
Block res;
size_t num_columns = data.size();
if (num_columns != columns.size()) {
LOG(FATAL) << fmt::format(
"Cannot clone block with columns because block has {} columns, but {} columns "
"given.",
num_columns, columns.size());
}
for (size_t i = 0; i < num_columns; ++i) {
res.insert({columns[i], data[i].type, data[i].name});
}
return res;
}
Block Block::clone_without_columns() const {
Block res;
size_t num_columns = data.size();
for (size_t i = 0; i < num_columns; ++i) {
res.insert({nullptr, data[i].type, data[i].name});
}
return res;
}
Block Block::sort_columns() const {
Block sorted_block;
for (const auto& name : index_by_name) {
sorted_block.insert(data[name.second]);
}
return sorted_block;
}
const ColumnsWithTypeAndName& Block::get_columns_with_type_and_name() const {
return data;
}
Names Block::get_names() const {
Names res;
res.reserve(columns());
for (const auto& elem : data) {
res.push_back(elem.name);
}
return res;
}
DataTypes Block::get_data_types() const {
DataTypes res;
res.reserve(columns());
for (const auto& elem : data) {
res.push_back(elem.type);
}
return res;
}
void Block::clear() {
data.clear();
index_by_name.clear();
row_same_bit.clear();
}
void Block::clear_column_data(int column_size) noexcept {
// data.size() greater than column_size, means here have some
// function exec result in block, need erase it here
if (column_size != -1 and data.size() > column_size) {
for (int i = data.size() - 1; i >= column_size; --i) {
erase(i);
}
}
for (auto& d : data) {
DCHECK_EQ(d.column->use_count(), 1);
(*std::move(d.column)).assume_mutable()->clear();
}
row_same_bit.clear();
}
void Block::swap(Block& other) noexcept {
data.swap(other.data);
index_by_name.swap(other.index_by_name);
row_same_bit.swap(other.row_same_bit);
}
void Block::swap(Block&& other) noexcept {
clear();
data = std::move(other.data);
initialize_index_by_name();
row_same_bit = std::move(other.row_same_bit);
}
void Block::update_hash(SipHash& hash) const {
for (size_t row_no = 0, num_rows = rows(); row_no < num_rows; ++row_no) {
for (const auto& col : data) {
col.column->update_hash_with_value(row_no, hash);
}
}
}
void Block::filter_block_internal(Block* block, const std::vector<uint32_t>& columns_to_filter,
const IColumn::Filter& filter) {
size_t count = filter.size() - simd::count_zero_num((int8_t*)filter.data(), filter.size());
if (count == 0) {
for (auto& col : columns_to_filter) {
std::move(*block->get_by_position(col).column).assume_mutable()->clear();
}
} else {
for (auto& col : columns_to_filter) {
auto& column = block->get_by_position(col).column;
if (column->size() != count) {
if (column->is_exclusive()) {
const auto result_size = column->assume_mutable()->filter(filter);
CHECK_EQ(result_size, count);
} else {
column = column->filter(filter, count);
}
}
}
}
}
void Block::filter_block_internal(Block* block, const IColumn::Filter& filter,
uint32_t column_to_keep) {
std::vector<uint32_t> columns_to_filter;
columns_to_filter.resize(column_to_keep);
for (uint32_t i = 0; i < column_to_keep; ++i) {
columns_to_filter[i] = i;
}
filter_block_internal(block, columns_to_filter, filter);
}
Block Block::copy_block(const std::vector<int>& column_offset) const {
ColumnsWithTypeAndName columns_with_type_and_name;
for (auto offset : column_offset) {
DCHECK(offset < data.size());
columns_with_type_and_name.emplace_back(data[offset]);
}
return columns_with_type_and_name;
}
void Block::append_block_by_selector(MutableBlock* dst, const IColumn::Selector& selector) const {
DCHECK_EQ(data.size(), dst->mutable_columns().size());
for (size_t i = 0; i < data.size(); i++) {
data[i].column->append_data_by_selector(dst->mutable_columns()[i], selector);
}
}
Status Block::filter_block(Block* block, const std::vector<uint32_t>& columns_to_filter,
int filter_column_id, int column_to_keep) {
const auto& filter_column = block->get_by_position(filter_column_id).column;
if (auto* nullable_column = check_and_get_column<ColumnNullable>(*filter_column)) {
const auto& nested_column = nullable_column->get_nested_column_ptr();
MutableColumnPtr mutable_holder =
nested_column->use_count() == 1
? nested_column->assume_mutable()
: nested_column->clone_resized(nested_column->size());
ColumnUInt8* concrete_column = assert_cast<ColumnUInt8*>(mutable_holder.get());
auto* __restrict null_map = nullable_column->get_null_map_data().data();
IColumn::Filter& filter = concrete_column->get_data();
auto* __restrict filter_data = filter.data();
const size_t size = filter.size();
for (size_t i = 0; i < size; ++i) {
filter_data[i] &= !null_map[i];
}
RETURN_IF_CATCH_EXCEPTION(filter_block_internal(block, columns_to_filter, filter));
} else if (auto* const_column = check_and_get_column<ColumnConst>(*filter_column)) {
bool ret = const_column->get_bool(0);
if (!ret) {
for (auto& col : columns_to_filter) {
std::move(*block->get_by_position(col).column).assume_mutable()->clear();
}
}
} else {
const IColumn::Filter& filter =
assert_cast<const doris::vectorized::ColumnVector<UInt8>&>(*filter_column)
.get_data();
RETURN_IF_CATCH_EXCEPTION(filter_block_internal(block, columns_to_filter, filter));
}
erase_useless_column(block, column_to_keep);
return Status::OK();
}
Status Block::filter_block(Block* block, int filter_column_id, int column_to_keep) {
std::vector<uint32_t> columns_to_filter;
columns_to_filter.resize(column_to_keep);
for (uint32_t i = 0; i < column_to_keep; ++i) {
columns_to_filter[i] = i;
}
return filter_block(block, columns_to_filter, filter_column_id, column_to_keep);
}
Status Block::serialize(int be_exec_version, PBlock* pblock,
/*std::string* compressed_buffer,*/ size_t* uncompressed_bytes,
size_t* compressed_bytes, segment_v2::CompressionTypePB compression_type,
bool allow_transfer_large_data) const {
pblock->set_be_exec_version(be_exec_version);
// calc uncompressed size for allocation
size_t content_uncompressed_size = 0;
for (const auto& c : *this) {
PColumnMeta* pcm = pblock->add_column_metas();
c.to_pb_column_meta(pcm);
// get serialized size
content_uncompressed_size +=
c.type->get_uncompressed_serialized_bytes(*(c.column), pblock->be_exec_version());
}
// serialize data values
// when data type is HLL, content_uncompressed_size maybe larger than real size.
std::string column_values;
try {
column_values.resize(content_uncompressed_size);
} catch (...) {
std::string msg = fmt::format("Try to alloc {} bytes for pblock column values failed.",
content_uncompressed_size);
LOG(WARNING) << msg;
return Status::BufferAllocFailed(msg);
}
char* buf = column_values.data();
for (const auto& c : *this) {
buf = c.type->serialize(*(c.column), buf, pblock->be_exec_version());
}
*uncompressed_bytes = content_uncompressed_size;
// compress
if (config::compress_rowbatches && content_uncompressed_size > 0) {
SCOPED_RAW_TIMER(&_compress_time_ns);
pblock->set_compression_type(compression_type);
pblock->set_uncompressed_size(content_uncompressed_size);
BlockCompressionCodec* codec;
RETURN_IF_ERROR(get_block_compression_codec(compression_type, &codec));
faststring buf_compressed;
RETURN_IF_ERROR_OR_CATCH_EXCEPTION(codec->compress(
Slice(column_values.data(), content_uncompressed_size), &buf_compressed));
size_t compressed_size = buf_compressed.size();
if (LIKELY(compressed_size < content_uncompressed_size)) {
pblock->set_column_values(buf_compressed.data(), buf_compressed.size());
pblock->set_compressed(true);
*compressed_bytes = compressed_size;
} else {
pblock->set_column_values(std::move(column_values));
*compressed_bytes = content_uncompressed_size;
}
VLOG_ROW << "uncompressed size: " << content_uncompressed_size
<< ", compressed size: " << compressed_size;
} else {
pblock->set_column_values(std::move(column_values));
*compressed_bytes = content_uncompressed_size;
}
if (!allow_transfer_large_data && *compressed_bytes >= std::numeric_limits<int32_t>::max()) {
return Status::InternalError("The block is large than 2GB({}), can not send by Protobuf.",
*compressed_bytes);
}
return Status::OK();
}
MutableBlock::MutableBlock(const std::vector<TupleDescriptor*>& tuple_descs, int reserve_size,
bool ignore_trivial_slot) {
for (auto tuple_desc : tuple_descs) {
for (auto slot_desc : tuple_desc->slots()) {
if (ignore_trivial_slot && !slot_desc->need_materialize()) {
continue;
}
_data_types.emplace_back(slot_desc->get_data_type_ptr());
_columns.emplace_back(_data_types.back()->create_column());
if (reserve_size != 0) {
_columns.back()->reserve(reserve_size);
}
_names.push_back(slot_desc->col_name());
}
}
initialize_index_by_name();
}
size_t MutableBlock::rows() const {
for (const auto& column : _columns) {
if (column) {
return column->size();
}
}
return 0;
}
void MutableBlock::swap(MutableBlock& another) noexcept {
_columns.swap(another._columns);
_data_types.swap(another._data_types);
_names.swap(another._names);
initialize_index_by_name();
}
void MutableBlock::swap(MutableBlock&& another) noexcept {
clear();
_columns = std::move(another._columns);
_data_types = std::move(another._data_types);
_names = std::move(another._names);
initialize_index_by_name();
}
void MutableBlock::add_row(const Block* block, int row) {
auto& block_data = block->get_columns_with_type_and_name();
for (size_t i = 0; i < _columns.size(); ++i) {
_columns[i]->insert_from(*block_data[i].column.get(), row);
}
}
void MutableBlock::add_rows(const Block* block, const int* row_begin, const int* row_end) {
auto& block_data = block->get_columns_with_type_and_name();
for (size_t i = 0; i < _columns.size(); ++i) {
auto& dst = _columns[i];
auto& src = *block_data[i].column.get();
dst->insert_indices_from(src, row_begin, row_end);
}
}
void MutableBlock::add_rows(const Block* block, size_t row_begin, size_t length) {
auto& block_data = block->get_columns_with_type_and_name();
for (size_t i = 0; i < _columns.size(); ++i) {
auto& dst = _columns[i];
auto& src = *block_data[i].column.get();
dst->insert_range_from(src, row_begin, length);
}
}
Block MutableBlock::to_block(int start_column) {
return to_block(start_column, _columns.size());
}
Block MutableBlock::to_block(int start_column, int end_column) {
ColumnsWithTypeAndName columns_with_schema;
for (size_t i = start_column; i < end_column; ++i) {
columns_with_schema.emplace_back(std::move(_columns[i]), _data_types[i], _names[i]);
}
return {columns_with_schema};
}
std::string MutableBlock::dump_data(size_t row_limit) const {
std::vector<std::string> headers;
std::vector<size_t> headers_size;
for (size_t i = 0; i < columns(); ++i) {
std::string s = _data_types[i]->get_name();
headers_size.push_back(s.size() > 15 ? s.size() : 15);
headers.emplace_back(s);
}
std::stringstream out;
// header upper line
auto line = [&]() {
for (size_t i = 0; i < columns(); ++i) {
out << std::setfill('-') << std::setw(1) << "+" << std::setw(headers_size[i]) << "-";
}
out << std::setw(1) << "+" << std::endl;
};
line();
// header text
for (size_t i = 0; i < columns(); ++i) {
out << std::setfill(' ') << std::setw(1) << "|" << std::left << std::setw(headers_size[i])
<< headers[i];
}
out << std::setw(1) << "|" << std::endl;
// header bottom line
line();
if (rows() == 0) {
return out.str();
}
// content
for (size_t row_num = 0; row_num < rows() && row_num < row_limit; ++row_num) {
for (size_t i = 0; i < columns(); ++i) {
if (_columns[i].get()->empty()) {
out << std::setfill(' ') << std::setw(1) << "|" << std::setw(headers_size[i])
<< std::right;
continue;
}
std::string s = _data_types[i]->to_string(*_columns[i].get(), row_num);
if (s.length() > headers_size[i]) {
s = s.substr(0, headers_size[i] - 3) + "...";
}
out << std::setfill(' ') << std::setw(1) << "|" << std::setw(headers_size[i])
<< std::right << s;
}
out << std::setw(1) << "|" << std::endl;
}
// bottom line
line();
if (row_limit < rows()) {
out << rows() << " rows in block, only show first " << row_limit << " rows." << std::endl;
}
return out.str();
}
std::unique_ptr<Block> Block::create_same_struct_block(size_t size) const {
auto temp_block = Block::create_unique();
for (const auto& d : data) {
auto column = d.type->create_column();
column->resize(size);
temp_block->insert({std::move(column), d.type, d.name});
}
return temp_block;
}
void Block::shrink_char_type_column_suffix_zero(const std::vector<size_t>& char_type_idx) {
for (auto idx : char_type_idx) {
if (idx < data.size()) {
auto& col_and_name = this->get_by_position(idx);
col_and_name.column = col_and_name.column->assume_mutable()->get_shrinked_column();
}
}
}
size_t MutableBlock::allocated_bytes() const {
size_t res = 0;
for (const auto& col : _columns) {
res += col->allocated_bytes();
}
return res;
}
void MutableBlock::clear_column_data() noexcept {
for (auto& col : _columns) {
if (col) {
col->clear();
}
}
}
void MutableBlock::initialize_index_by_name() {
for (size_t i = 0, size = _names.size(); i < size; ++i) {
index_by_name[_names[i]] = i;
}
}
bool MutableBlock::has(const std::string& name) const {
return index_by_name.end() != index_by_name.find(name);
}
size_t MutableBlock::get_position_by_name(const std::string& name) const {
auto it = index_by_name.find(name);
if (index_by_name.end() == it) {
LOG(FATAL) << fmt::format("Not found column {} in block. There are only columns: {}", name,
dump_names());
}
return it->second;
}
std::string MutableBlock::dump_names() const {
std::string out;
for (auto it = _names.begin(); it != _names.end(); ++it) {
if (it != _names.begin()) {
out += ", ";
}
out += *it;
}
return out;
}
} // namespace doris::vectorized