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new 2aa9cb22768 branch-2.1: [fix](lzo) fix lzo decompression failed #49538
(#49634)
2aa9cb22768 is described below
commit 2aa9cb22768fd529f2ad482a8a630fe02be000ef
Author: github-actions[bot]
<41898282+github-actions[bot]@users.noreply.github.com>
AuthorDate: Thu Apr 17 09:19:35 2025 +0800
branch-2.1: [fix](lzo) fix lzo decompression failed #49538 (#49634)
Cherry-picked from #49538
---------
Co-authored-by: Mingyu Chen (Rayner) <morning...@163.com>
Co-authored-by: morningman <yun...@selectdb.com>
---
be/src/exec/lzo_decompressor.cpp | 18 +-
.../file_reader/new_plain_text_line_reader.cpp | 13 +-
.../external_table_p0/tvf/lzo/test_compress.lzo | Bin 0 -> 256 bytes
.../test_no_compress_with_empty_block_begin.lzo | Bin 0 -> 200 bytes
.../lzo/test_no_compress_with_empty_block_end.lzo | Bin 0 -> 196 bytes
.../test_no_compress_with_empty_block_middle.lzo | Bin 0 -> 188 bytes
.../external_table_p0/tvf/test_local_tvf_lzo.out | Bin 0 -> 899 bytes
.../tvf/test_local_tvf_lzo.groovy | 58 +++++
tools/lzo/README.md | 37 +++
tools/lzo/build.sh | 20 ++
tools/lzo/lzo_writer.cpp | 282 +++++++++++++++++++++
11 files changed, 407 insertions(+), 21 deletions(-)
diff --git a/be/src/exec/lzo_decompressor.cpp b/be/src/exec/lzo_decompressor.cpp
index b240e2995a0..a8262ea6e3d 100644
--- a/be/src/exec/lzo_decompressor.cpp
+++ b/be/src/exec/lzo_decompressor.cpp
@@ -80,8 +80,6 @@ Status LzopDecompressor::decompress(uint8_t* input, size_t
input_len, size_t* in
}
}
- // LOG(INFO) << "after load header: " << *input_bytes_read;
-
// read compressed block
// compressed-block ::=
// <uncompressed-size>
@@ -144,7 +142,7 @@ Status LzopDecompressor::decompress(uint8_t* input, size_t
input_len, size_t* in
return Status::OK();
}
- ptr = get_uint32(ptr, &out_checksum);
+ ptr = get_uint32(ptr, &in_checksum);
left_input_len -= sizeof(uint32_t);
} else {
// If the compressed data size is equal to the uncompressed data size,
then
@@ -185,16 +183,7 @@ Status LzopDecompressor::decompress(uint8_t* input, size_t
input_len, size_t* in
ptr += compressed_size;
}
- // 7. peek next block's uncompressed size
- uint32_t next_uncompressed_size;
- get_uint32(ptr, &next_uncompressed_size);
- if (next_uncompressed_size == 0) {
- // 0 means current block is the last block.
- // consume this uncompressed_size to finish reading.
- ptr += sizeof(uint32_t);
- }
-
- // 8. done
+ // 7. done
*stream_end = true;
*decompressed_len = uncompressed_size;
*input_bytes_read += ptr - block_start;
@@ -202,8 +191,7 @@ Status LzopDecompressor::decompress(uint8_t* input, size_t
input_len, size_t* in
VLOG_DEBUG << "finished decompress lzo block."
<< " compressed_size: " << compressed_size
<< " decompressed_len: " << *decompressed_len
- << " input_bytes_read: " << *input_bytes_read
- << " next_uncompressed_size: " << next_uncompressed_size;
+ << " input_bytes_read: " << *input_bytes_read;
return Status::OK();
}
diff --git a/be/src/vec/exec/format/file_reader/new_plain_text_line_reader.cpp
b/be/src/vec/exec/format/file_reader/new_plain_text_line_reader.cpp
index ad86cca212b..463164d7349 100644
--- a/be/src/vec/exec/format/file_reader/new_plain_text_line_reader.cpp
+++ b/be/src/vec/exec/format/file_reader/new_plain_text_line_reader.cpp
@@ -30,6 +30,7 @@
#include <memory>
#include <ostream>
+#include "common/logging.h"
#include "exec/decompressor.h"
#include "io/fs/file_reader.h"
#include "util/slice.h"
@@ -426,12 +427,12 @@ Status NewPlainTextLineReader::read_line(const uint8_t**
ptr, size_t* size, bool
_output_buf_size - _output_buf_limit, /*
output_max_len */
&decompressed_len, &stream_end, &_more_input_bytes,
&_more_output_bytes));
- // LOG(INFO) << "after decompress:"
- // << " stream_end: " << stream_end
- // << " input_read_bytes: " << input_read_bytes
- // << " decompressed_len: " << decompressed_len
- // << " more_input_bytes: " << _more_input_bytes
- // << " more_output_bytes: " << _more_output_bytes;
+ VLOG_DEBUG << "after decompress:"
+ << " stream_end: " << stream_end
+ << " input_read_bytes: " << input_read_bytes
+ << " decompressed_len: " << decompressed_len
+ << " more_input_bytes: " << _more_input_bytes
+ << " more_output_bytes: " << _more_output_bytes;
// update pos and limit
_input_buf_pos += input_read_bytes;
diff --git a/regression-test/data/external_table_p0/tvf/lzo/test_compress.lzo
b/regression-test/data/external_table_p0/tvf/lzo/test_compress.lzo
new file mode 100644
index 00000000000..c762903cffc
Binary files /dev/null and
b/regression-test/data/external_table_p0/tvf/lzo/test_compress.lzo differ
diff --git
a/regression-test/data/external_table_p0/tvf/lzo/test_no_compress_with_empty_block_begin.lzo
b/regression-test/data/external_table_p0/tvf/lzo/test_no_compress_with_empty_block_begin.lzo
new file mode 100644
index 00000000000..16b570fb440
Binary files /dev/null and
b/regression-test/data/external_table_p0/tvf/lzo/test_no_compress_with_empty_block_begin.lzo
differ
diff --git
a/regression-test/data/external_table_p0/tvf/lzo/test_no_compress_with_empty_block_end.lzo
b/regression-test/data/external_table_p0/tvf/lzo/test_no_compress_with_empty_block_end.lzo
new file mode 100644
index 00000000000..1c4bb0bbacd
Binary files /dev/null and
b/regression-test/data/external_table_p0/tvf/lzo/test_no_compress_with_empty_block_end.lzo
differ
diff --git
a/regression-test/data/external_table_p0/tvf/lzo/test_no_compress_with_empty_block_middle.lzo
b/regression-test/data/external_table_p0/tvf/lzo/test_no_compress_with_empty_block_middle.lzo
new file mode 100644
index 00000000000..bf9e914e41c
Binary files /dev/null and
b/regression-test/data/external_table_p0/tvf/lzo/test_no_compress_with_empty_block_middle.lzo
differ
diff --git a/regression-test/data/external_table_p0/tvf/test_local_tvf_lzo.out
b/regression-test/data/external_table_p0/tvf/test_local_tvf_lzo.out
new file mode 100644
index 00000000000..bab8e156267
Binary files /dev/null and
b/regression-test/data/external_table_p0/tvf/test_local_tvf_lzo.out differ
diff --git
a/regression-test/suites/external_table_p0/tvf/test_local_tvf_lzo.groovy
b/regression-test/suites/external_table_p0/tvf/test_local_tvf_lzo.groovy
new file mode 100644
index 00000000000..a7eba83a970
--- /dev/null
+++ b/regression-test/suites/external_table_p0/tvf/test_local_tvf_lzo.groovy
@@ -0,0 +1,58 @@
+import org.junit.Assert
+
+// 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 suit test the `backends` tvf
+suite("test_local_tvf_lzo", "p0,external,external_docker") {
+ List<List<Object>> backends = sql """ show backends """
+ def dataFilePath = context.config.dataPath + "/external_table_p0/tvf/lzo"
+
+ assertTrue(backends.size() > 0)
+
+ def be_id = backends[0][0]
+ // cluster mode need to make sure all be has this data
+ def outFilePath="/"
+ def transFile01="${dataFilePath}/test_compress.lzo"
+ def
transFile02="${dataFilePath}/test_no_compress_with_empty_block_begin.lzo"
+ def transFile03="${dataFilePath}/test_no_compress_with_empty_block_end.lzo"
+ def
transFile04="${dataFilePath}/test_no_compress_with_empty_block_middle.lzo"
+
+ for (List<Object> backend : backends) {
+ def be_host = backend[1]
+ scpFiles ("root", be_host, transFile01, outFilePath, false);
+ scpFiles ("root", be_host, transFile02, outFilePath, false);
+ scpFiles ("root", be_host, transFile03, outFilePath, false);
+ scpFiles ("root", be_host, transFile04, outFilePath, false);
+ }
+
+ def file1 = outFilePath + "test_compress.lzo";
+ def file2 = outFilePath + "test_no_compress_with_empty_block_begin.lzo";
+ def file3 = outFilePath + "test_no_compress_with_empty_block_end.lzo";
+ def file4 = outFilePath + "test_no_compress_with_empty_block_middle.lzo";
+
+ order_qt_test_1 """ select * from local( "file_path" = "${file1}",
"backend_id" = "${be_id}", "format" = "csv");"""
+ order_qt_test_2 """ select * from local( "file_path" = "${file2}",
"backend_id" = "${be_id}", "format" = "csv");"""
+ order_qt_test_3 """ select * from local( "file_path" = "${file3}",
"backend_id" = "${be_id}", "format" = "csv");"""
+ order_qt_test_4 """ select * from local( "file_path" = "${file4}",
"backend_id" = "${be_id}", "format" = "csv");"""
+
+ qt_test_5 """ select count(*) from local( "file_path" = "${file1}",
"backend_id" = "${be_id}", "format" = "csv");"""
+ qt_test_6 """ select count(*) from local( "file_path" = "${file2}",
"backend_id" = "${be_id}", "format" = "csv");"""
+ qt_test_7 """ select count(*) from local( "file_path" = "${file3}",
"backend_id" = "${be_id}", "format" = "csv");"""
+ qt_test_8 """ select count(*) from local( "file_path" = "${file4}",
"backend_id" = "${be_id}", "format" = "csv");"""
+
+}
diff --git a/tools/lzo/README.md b/tools/lzo/README.md
new file mode 100644
index 00000000000..faca8825410
--- /dev/null
+++ b/tools/lzo/README.md
@@ -0,0 +1,37 @@
+<!--
+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.
+-->
+
+# LZO Writer
+
+This is simple LZO writer, you can use it to generate lzo compressed file.
+
+See `main()` for details
+
+## Compilation
+
+```
+sh build.sh
+```
+
+## Generate file
+
+```
+./lzo_writer file_name.lzo
+```
+
diff --git a/tools/lzo/build.sh b/tools/lzo/build.sh
new file mode 100644
index 00000000000..82c3206b13e
--- /dev/null
+++ b/tools/lzo/build.sh
@@ -0,0 +1,20 @@
+# 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.
+
+ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")" &>/dev/null && pwd)"
+export DORIS_THIRDPARTY=${ROOT}/../../thirdparty/
+g++ -o lzo_writer lzo_writer.cpp -I. -Isrc
-I${DORIS_THIRDPARTY}/installed/include -L${DORIS_THIRDPARTY}/installed/lib
-llzo2 -std=c++17
diff --git a/tools/lzo/lzo_writer.cpp b/tools/lzo/lzo_writer.cpp
new file mode 100644
index 00000000000..28dd77dd8de
--- /dev/null
+++ b/tools/lzo/lzo_writer.cpp
@@ -0,0 +1,282 @@
+// 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 <fstream>
+#include <iostream>
+#include <string>
+#include <vector>
+#include <cstdint>
+#include <lzo/lzo1x.h>
+#include <lzo/lzoconf.h>
+
+// LZO file format constants
+const uint8_t LZOP_MAGIC[9] = {0x89, 0x4c, 0x5a, 0x4f, 0x00, 0x0d, 0x0a, 0x1a,
0x0a};
+const uint16_t LZOP_VERSION = 0x1040;
+const uint16_t MY_LZO_VERSION = 0x2080; // LZO library version
+const uint16_t LZOP_VERSION_NEEDED = 0x0940;
+const uint8_t COMPRESSION_METHOD = 1; // LZO1X
+const uint8_t COMPRESSION_LEVEL = 5;
+const uint32_t LZOP_FLAGS = 0x00003; // Use ADLER32 for all checksums
+const uint32_t HEADER_SIZE = 34; // Minimum header size without filename
+const uint32_t ADLER32_INIT_VALUE = 1; // Initial value for Adler32
+
+// Compute Adler-32 checksum (same implementation as in Doris)
+uint32_t olap_adler32(uint32_t adler, const char* buf, size_t len) {
+ uint32_t s1 = adler & 0xffff;
+ uint32_t s2 = (adler >> 16) & 0xffff;
+
+ for (size_t i = 0; i < len; i++) {
+ s1 = (s1 + (unsigned char)buf[i]) % 65521;
+ s2 = (s2 + s1) % 65521;
+ }
+
+ return (s2 << 16) + s1;
+}
+
+class LzoWriter {
+public:
+ LzoWriter(const std::string& filename) : _filename(filename) {}
+
+ bool init() {
+ // Initialize LZO library
+ if (lzo_init() != LZO_E_OK) {
+ std::cerr << "Failed to initialize LZO library" << std::endl;
+ return false;
+ }
+
+ _out_file.open(_filename, std::ios::binary);
+ if (!_out_file.is_open()) {
+ std::cerr << "Failed to open output file: " << _filename <<
std::endl;
+ return false;
+ }
+
+ // Allocate work memory for compression
+ _wrkmem.resize(LZO1X_1_MEM_COMPRESS);
+
+ // Write file header
+ write_header();
+ return true;
+ }
+
+ void write_header() {
+ // Prepare header data first
+ std::vector<uint8_t> header_data;
+
+ // Write magic number (not included in checksum)
+ _out_file.write(reinterpret_cast<const char*>(LZOP_MAGIC),
sizeof(LZOP_MAGIC));
+
+ // Add version info to header data
+ uint16_t version = __builtin_bswap16(LZOP_VERSION);
+ header_data.insert(header_data.end(),
reinterpret_cast<uint8_t*>(&version),
+ reinterpret_cast<uint8_t*>(&version) +
sizeof(version));
+
+ uint16_t lib_version = __builtin_bswap16(MY_LZO_VERSION);
+ header_data.insert(header_data.end(),
reinterpret_cast<uint8_t*>(&lib_version),
+ reinterpret_cast<uint8_t*>(&lib_version) +
sizeof(lib_version));
+
+ uint16_t version_needed = __builtin_bswap16(LZOP_VERSION_NEEDED);
+ header_data.insert(header_data.end(),
reinterpret_cast<uint8_t*>(&version_needed),
+ reinterpret_cast<uint8_t*>(&version_needed) +
sizeof(version_needed));
+
+ // Add method and level
+ header_data.push_back(COMPRESSION_METHOD);
+ header_data.push_back(COMPRESSION_LEVEL);
+
+ // Add flags
+ uint32_t flags = __builtin_bswap32(LZOP_FLAGS);
+ header_data.insert(header_data.end(),
reinterpret_cast<uint8_t*>(&flags),
+ reinterpret_cast<uint8_t*>(&flags) + sizeof(flags));
+
+ // Add mode
+ uint32_t mode = 0;
+ header_data.insert(header_data.end(),
reinterpret_cast<uint8_t*>(&mode),
+ reinterpret_cast<uint8_t*>(&mode) + sizeof(mode));
+
+ // Add mtime
+ header_data.insert(header_data.end(),
reinterpret_cast<uint8_t*>(&mode),
+ reinterpret_cast<uint8_t*>(&mode) + sizeof(mode));
+ header_data.insert(header_data.end(),
reinterpret_cast<uint8_t*>(&mode),
+ reinterpret_cast<uint8_t*>(&mode) + sizeof(mode));
+
+ // Add filename length
+ header_data.push_back(0);
+
+ // Write all header data
+ _out_file.write(reinterpret_cast<const char*>(header_data.data()),
header_data.size());
+
+ // Calculate and write header checksum
+ uint32_t header_checksum = compute_adler32(header_data.data(),
header_data.size());
+ write_uint32(header_checksum);
+ }
+
+ void write_normal_block(const std::string& data) {
+ std::vector<uint8_t> compressed_data(data.size() + data.size() / 16 +
64 + 3);
+ lzo_uint compressed_len = 0;
+
+ // Compress the data
+ int r = lzo1x_1_compress(
+ reinterpret_cast<const uint8_t*>(data.data()),
+ data.size(),
+ compressed_data.data(),
+ &compressed_len,
+ _wrkmem.data());
+
+ if (r != LZO_E_OK) {
+ std::cerr << "Compression failed" << std::endl;
+ return;
+ }
+
+ std::cout << "Block info:" << std::endl;
+ std::cout << " Original data size: " << data.size() << std::endl;
+ std::cout << " Compressed size: " << compressed_len << std::endl;
+ std::cout << " Original data: '" << data << "'" << std::endl;
+
+ // Write uncompressed size
+ write_uint32(data.size());
+
+ // If compressed size is not smaller than original size,
+ // we will store the original data without compression
+ bool is_compressed = compressed_len < data.size();
+
+ // Write compressed size (or original size if not compressed)
+ write_uint32(is_compressed ? compressed_len : data.size());
+
+ // Write uncompressed checksum
+ uint32_t uncompressed_checksum = compute_adler32(
+ reinterpret_cast<const uint8_t*>(data.data()), data.size());
+ write_uint32(uncompressed_checksum);
+
+ std::cout << " Uncompressed checksum calculation:" << std::endl;
+ std::cout << " Data length: " << data.size() << std::endl;
+ std::cout << " First few bytes:";
+ for (size_t i = 0; i < std::min(data.size(), size_t(16)); ++i) {
+ printf(" %02x", (unsigned char)data[i]);
+ }
+ std::cout << std::endl;
+ std::cout << " Computed checksum: " << std::hex <<
uncompressed_checksum << std::dec << std::endl;
+
+ if (is_compressed) {
+ // Detailed logging of compressed data
+ std::cout << " Complete compressed data:" << std::endl;
+ std::cout << " All bytes:";
+ for (size_t i = 0; i < compressed_len; ++i) {
+ if (i % 16 == 0) std::cout << std::endl << " ";
+ printf(" %02x", compressed_data[i]);
+ }
+ std::cout << std::endl;
+
+ // Write compressed checksum
+ uint32_t compressed_checksum =
compute_adler32(compressed_data.data(), compressed_len);
+ write_uint32(compressed_checksum);
+
+ std::cout << " Compressed checksum calculation:" << std::endl;
+ std::cout << " Data length: " << compressed_len << std::endl;
+ std::cout << " Bytes used for checksum:";
+ for (size_t i = 0; i < compressed_len; ++i) {
+ if (i % 16 == 0) std::cout << std::endl << " ";
+ printf(" %02x", compressed_data[i]);
+ }
+ std::cout << std::endl;
+ std::cout << " Computed checksum: " << std::hex <<
compressed_checksum << std::dec << std::endl;
+
+ // Write compressed data
+ _out_file.write(reinterpret_cast<const
char*>(compressed_data.data()), compressed_len);
+ } else {
+ std::cout << " Data not compressed (compressed size >= original
size)" << std::endl;
+ // Write original data directly
+ _out_file.write(data.data(), data.size());
+ }
+ std::cout << "----------------------------------------" << std::endl;
+ }
+
+ void write_zero_block() {
+ // Write a block with uncompressed size = 0 to mark end of file
+ write_uint32(0);
+ }
+
+ void close() {
+ if (_out_file.is_open()) {
+ _out_file.close();
+ }
+ }
+
+private:
+ void write_uint8(uint8_t value) {
+ _out_file.write(reinterpret_cast<const char*>(&value), sizeof(value));
+ }
+
+ void write_uint16(uint16_t value) {
+ value = __builtin_bswap16(value); // Convert to big-endian
+ _out_file.write(reinterpret_cast<const char*>(&value), sizeof(value));
+ }
+
+ void write_uint32(uint32_t value) {
+ value = __builtin_bswap32(value); // Convert to big-endian
+ _out_file.write(reinterpret_cast<const char*>(&value), sizeof(value));
+ }
+
+ // Compute Adler-32 checksum using the same implementation as Doris
+ uint32_t compute_adler32(const uint8_t* data, size_t len) {
+ uint32_t checksum = olap_adler32(ADLER32_INIT_VALUE,
reinterpret_cast<const char*>(data), len);
+ std::cout << " Adler32 details:" << std::endl;
+ std::cout << " Input length: " << len << std::endl;
+ std::cout << " Initial value: " << ADLER32_INIT_VALUE << std::endl;
+ std::cout << " Final checksum: " << std::hex << checksum <<
std::dec << std::endl;
+ return checksum;
+ }
+
+ std::string _filename;
+ std::ofstream _out_file;
+ std::vector<uint8_t> _wrkmem;
+};
+
+int main(int argc, char** argv) {
+ if (argc != 2) {
+ std::cerr << "Usage: " << argv[0] << " <output_file>" << std::endl;
+ return 1;
+ }
+
+ LzoWriter writer(argv[1]);
+ if (!writer.init()) {
+ return 1;
+ }
+
+ // Write a zero-sized block at the begin
+ writer.write_zero_block();
+
+ // Write first normal block with test data
+ std::string test_data1 = "This is the first block of test data for LZO
compression!\n";
+ writer.write_normal_block(test_data1);
+
+ // Write a zero-sized block in the middle
+ writer.write_zero_block();
+
+ // Write third normal block with different test data
+ std::string test_data2 = "This is the third block with more test data for
LZO compression!";
+ writer.write_normal_block(test_data2);
+
+ // Write a zero-sized block in the end
+ writer.write_zero_block();
+
+ // Write a zero-sized block in the end
+ writer.write_zero_block();
+
+ writer.close();
+ std::cout << "Successfully created LZO file with three blocks (middle
block size = 0)" << std::endl;
+
+ return 0;
+}
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