Wei Zhang

48 papers A* 1A 2B 8C 5Journal 13Unranked 19
YearRankTypeTitle / Venue / Authors
2026 conf
NINeS
Jianchang Su, Yifan Zhang, Wei Zhang
2026 J jnl
CoRR
Jianchang Su, Yifan Zhang, Shengkai Lin, Shizhen Zhao, Yusheng Zheng, Yiwei Yang, Wei Zhang
2026 conf
ASPLOS (2)
Chenxingyu Zhao, Hongtao Zhang, Jaehong Min, Shengkai Lin, Wei Zhang, Kaiyuan Zhang, Ming Liu, Arvind Krishnamurthy
2025 conf
eBPF@SIGCOMM
Zheng Cao, Xuhang He, Yanpeng Hu, Yusheng Zheng, Yiwei Yang, Jianchang Su, Wei Zhang, Andi Quinn
2025 J jnl
CoRR
Zixu Shen, Kexin Chu, Yifan Zhang, Dawei Xiang, Runxin Wu, Wei Zhang
2025 conf
EMNLP (System Demonstrations)
Dawei Xiang, Wenyan Xu, Kexin Chu, Tianqi Ding, Zixu Shen, Yiming Zeng, Jianchang Su, Wei Zhang
2025 J jnl
CoRR
Dawei Xiang, Wenyan Xu, Kexin Chu, Tianqi Ding, Zixu Shen, Yiming Zeng, Jianchang Su, Wei Zhang
2025 J jnl
CoRR
Shengkai Lin, Kairui Zhou, Yibo Wu, Hongtao Zhang, Qinwei Yang, Wei Zhang, Arvind Krishnamurthy, Shizhen Zhao
2025 J jnl
CoRR
Kexin Chu, Zecheng Lin, Dawei Xiang, Zixu Shen, Jianchang Su, Cheng Chu, Yiwei Yang, Wenhui Zhang, Wenfei Wu, Wei Zhang
2025 conf
PACMI@SOSP
Yifan Zhang, Jianchang Su, Zixu Shen, Yang Zhou, Wei Zhang
2025 conf
eBPF@SIGCOMM
Kexin Chu, Jianchang Su, Yifan Zhang, Chenxingyu Zhao, Yiwei Yang, Yusheng Zheng, Shengkai Lin, Shizhen Zhao, Wei Zhang
2025 J jnl
CoRR
Yusheng Zheng, Tong Yu, Yiwei Yang, Minghui Jiang, Xiangyu Gao, Jianchang Su, Yanpeng Hu, Wenan Mao, Wei Zhang, Dan Williams, Andi Quinn
2024 conf
eBPF@SIGCOMM
Jianchang Su, Yifan Zhang, Linpu Huang, Wei Zhang
2024 B conf
SMC
Haitao Yuan, Qinglong Hu, Jing Bi, Wei Zhang, Jia Zhang, MengChu Zhou
2024 C conf
ICCD
Jianchang Su, Masoud Rahimi Jafari, Yifan Zhang, Wei Zhang
2024 J jnl
CoRR
Tianyi Cui, Chenxingyu Zhao, Wei Zhang, Kaiyuan Zhang, Arvind Krishnamurthy
2024 conf
eBPF@SIGCOMM
Joshua Bardinelli, Yifan Zhang, Jianchang Su, Linpu Huang, Aidan Parilla, Rachel Jarvi, Sameer G. Kulkarni, Wei Zhang
2021 conf
APSys
Tianyi Cui, Wei Zhang, Kaiyuan Zhang, Arvind Krishnamurthy
2020 conf
HotEdge
Wei Zhang, Abhigyan Sharma, Timothy Wood
2020 B conf
SMC
Haitao Yuan, Jing Bi, MengChu Zhou, Jia Zhang, Wei Zhang
2020 J jnl
IEEE/ACM Trans. Netw.
Sameer G. Kulkarni, Wei Zhang, Jinho Hwang, Shriram Rajagopalan, K. K. Ramakrishnan, Timothy Wood, Mayutan Arumaithurai, Xiaoming Fu
2020 B conf
SMC
Haitao Yuan, Jing Bi, MengChu Zhou, Jia Zhang, Wei Zhang
2018 conf
SOSR
Wei Zhang, Abhigyan Sharma, Kaustubh Joshi, Timothy Wood
2018 conf
SoCC
Haris Volos, Kimberly Keeton, Yupu Zhang, Milind Chabbi, Se Kwon Lee, Mark Lillibridge, Yuvraj Patel, Wei Zhang
2017 A* conf
SIGCOMM
Sameer G. Kulkarni, Wei Zhang, Jinho Hwang, Shriram Rajagopalan, K. K. Ramakrishnan, Timothy Wood, Mayutan Arumaithurai, Xiaoming Fu
2017 conf
SOSR
Wei Zhang, Abhigyan Sharma, Kaustubh Joshi, Timothy Wood
2016 A conf
CoNEXT
Wei Zhang, Jinho Hwang, Shriram Rajagopalan, K. K. Ramakrishnan, Timothy Wood
2016 B conf
IC2E
Sundaresan Rajasekaran, Shaohua Duan, Wei Zhang, Timothy Wood
2016 conf
ICAC
Wei Zhang, Timothy Wood, Jinho Hwang
2016 conf
HotMiddlebox@SIGCOMM
Wei Zhang, Guyue Liu, Wenhui Zhang, Neel Shah, Phil Lopreiato, Grégoire Todeschi, K. K. Ramakrishnan, Timothy Wood
2016 C conf
LANMAN
Wei Zhang, Guyue Liu, Wenhui Zhang, Neel Shah, Phil Lopreiato, Grégoire Todeschi, K. K. Ramakrishnan, Timothy Wood
2016 B conf
NetSoft
Wei Zhang, Guyue Liu, Wenhui Zhang, Neel Shah, Phil Lopreiato, Grégoire Todeschi, K. K. Ramakrishnan, Timothy Wood
2016 B conf
NetSoft
Wei Zhang, Jinho Hwang, Shriram Rajagopalan, K. K. Ramakrishnan, Timothy Wood
2016 A conf
Middleware
Wei Zhang, Guyue Liu, Ali Mohammadkhan, Jinho Hwang, K. K. Ramakrishnan, Timothy Wood
2016 J jnl
CoRR
Wei Zhang, Guyue Liu, Timothy Wood, K. K. Ramakrishnan, Jinho Hwang
2015 J jnl
SIGMETRICS Perform. Evaluation Rev.
Wei Zhang, Sundaresan Rajasekaran, Shaohua Duan, Timothy Wood, Mingfa Zhu
2015 conf
NFV-SDN
Ali Mohammadkhan, Guyue Liu, Wei Zhang, K. K. Ramakrishnan, Timothy Wood
2015 J jnl
IEEE Netw.
Timothy Wood, K. K. Ramakrishnan, Jinho Hwang, Grace Liu, Wei Zhang
2015 C conf
LANMAN
Ali Mohammadkhan, Sheida Ghapani, Guyue Liu, Wei Zhang, K. K. Ramakrishnan, Timothy Wood
2014 conf
Feedback Computing
Wei Zhang, Jinho Hwang, Timothy Wood, K. K. Ramakrishnan, H. Howie Huang
2014 B conf
CCGRID
Wei Zhang, Sundaresan Rajasekaran, Timothy Wood, Mingfa Zhu
2014 conf
HotCloud
Wei Zhang, Timothy Wood, K. K. Ramakrishnan, Jinho Hwang
2014 conf
IEEE CLOUD
Jinho Hwang, Wei Zhang, Ron Chi-Lung Chiang, Timothy Wood, H. Howie Huang
2012 C conf
ISPA
Wei Zhang, Mingfa Zhu, Limin Xiao, Jiajun Liu, Qimeng Wu, Ying Song, Yuzhong Sun
2012 B conf
ICPADS
Wei Zhang, Mingfa Zhu, Yiduo Mei, Limin Xiao, Li Ruan, Tao Gong, Tao Li, Yunwei Gao, Yuzhong Sun
2012 C conf
PDCAT
Wei Zhang, Mingfa Zhu, Tao Gong, Limin Xiao, Li Ruan, Yiduo Mei, Yuzhong Sun, Xu Ji
2012 J jnl
IEICE Trans. Inf. Syst.
Wei Zhang, Li Ruan, Mingfa Zhu, Limin Xiao, Jiajun Liu, Xiaolan Tang, Yiduo Mei, Ying Song, Yuzhong Sun
2011 J jnl
J. Networks
Wei Zhang, Huan Wang, Binbin Yu, Wei Xu, Mingfa Zhu, Limin Xiao, Li Ruan
notebooks/redb-clickhouse-TEST.ipynb
← Index notebooks/redb-clickhouse-TEST.ipynb plaintext
Truncated preview: showing the first 16384 bytes out of 5988848 total.
{
 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Definitions"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {},
   "outputs": [],
   "source": [
    "import clickhouse_connect"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "\n",
    "ch_TEST_client = clickhouse_connect.get_client(host='e.rationaledge.io', port=443, username='default', password='werioubTGwvf0-dsbv_', database='redb', verify=False)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 11,
   "metadata": {},
   "outputs": [],
   "source": [
    "ch_TEST_BETA_client = clickhouse_connect.get_client(host='k.rationaledge.io', port=443, username='default', password='werioubTGwvf0-dsbv_', database='default', verify=False)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 13,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "<bound method HttpClient.close_connections of <clickhouse_connect.driver.httpclient.HttpClient object at 0x105fd64d0>>"
      ]
     },
     "execution_count": 13,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "ch_TEST_BETA_client.close_connections"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 9,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "<clickhouse_connect.driver.summary.QuerySummary at 0x11f900810>"
      ]
     },
     "execution_count": 9,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "ch_TEST_BETA_client.command(\"\"\"\n",
    "RENAME DATABASE redb TO orig_redb;\n",
    "\"\"\")"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## DB Creation (schema 2025-08-02)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "ch_TEST_client.command(\"\"\"\n",
    "CREATE DATABASE IF NOT EXISTS redb;\n",
    "\"\"\")"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### Define General Tables"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "### CREATE FULL REDB DATABASE\n",
    "def create_redb_with_all_tables(client):\n",
    "    client.command(\"\"\"\n",
    "        CREATE DATABASE IF NOT EXISTS redb\n",
    "    \"\"\")\n",
    "    create_all_general_tables(client)\n",
    "    create_all_pe_tables(client)\n",
    "\n",
    "#### CREATE FULL TABLES\n",
    "def create_all_general_tables(client):\n",
    "    create_basic_properties_dbtable(client)\n",
    "    create_hashes_dbtable(client)\n",
    "    create_capa_dbtable(client)\n",
    "    create_die_dbtable(client)\n",
    "    create_extra_findings_dbtable(client)\n",
    "\n",
    "\n",
    "##################################\n",
    "#### CREATE INDIVIDUAL TABLES ####\n",
    "##################################\n",
    "\n",
    "#### GENERAL TABLES ####\n",
    "# All tables have SETTINGS index_granularity = 8192\n",
    "def create_basic_properties_dbtable(client):\n",
    "    # Create samples_metadata table\n",
    "    client.command(\"\"\"\n",
    "        CREATE TABLE IF NOT EXISTS redb_basic_properties (\n",
    "            sha256 FixedString(64), -- primary key\n",
    "            md5 FixedString(32),\n",
    "            sha1 FixedString(40),\n",
    "            filename Nullable(String),\n",
    "            sample_name String,\n",
    "            filesize UInt64,\n",
    "            file_entropy Float64,\n",
    "            filetype LowCardinality(String),\n",
    "            filetype_mime LowCardinality(String),\n",
    "            filetype_magika LowCardinality(String),\n",
    "            analysis_date DateTime64(3, 'UTC'),\n",
    "        ) ENGINE = ReplacingMergeTree(analysis_date)\n",
    "        PRIMARY KEY (sha256)\n",
    "        ORDER BY (sha256)\n",
    "    \"\"\")\n",
    "\n",
    "def create_hashes_dbtable(client):\n",
    "    # Create hashes table\n",
    "    client.command(\"\"\"\n",
    "        CREATE TABLE IF NOT EXISTS redb_hashes (\n",
    "            sha256 FixedString(64), -- primary key\n",
    "            md5 FixedString(32),\n",
    "            sha1 FixedString(40),\n",
    "            ssdeep_hash Nullable(String),\n",
    "            tlsh_hash Nullable(String),\n",
    "            authentihash Nullable(String),\n",
    "            imphash Nullable(String),\n",
    "            impfuzzy Nullable(String),\n",
    "            typerefhash Nullable(String),\n",
    "            richhash Nullable(String),\n",
    "            richpe_hash Nullable(String),\n",
    "            richpv_hash Nullable(String),\n",
    "            richpv_hash_sorted Nullable(String),\n",
    "            dhash Nullable(String),\n",
    "            analysis_date DateTime64(3, 'UTC')\n",
    "        ) ENGINE = ReplacingMergeTree(analysis_date)\n",
    "        PRIMARY KEY (sha256)\n",
    "        ORDER BY (sha256)\n",
    "    \"\"\")\n",
    "\n",
    "def create_capa_dbtable(client):\n",
    "    # Create sample_capabilities table\n",
    "    client.command(\"\"\"\n",
    "        SET enable_json_type = 1;\n",
    "    \"\"\")\n",
    "    client.command(\"\"\"\n",
    "        -- Base table for CAPA analysis results\n",
    "        CREATE TABLE IF NOT EXISTS redb_capa (\n",
    "            sha256 FixedString(64),\n",
    "            md5 FixedString(32),\n",
    "            sha1 FixedString(40),\n",
    "            analysis_date DateTime64(3, 'UTC'),\n",
    "            -- Store full JSON dumps as strings for flexibility\n",
    "            capa_dump JSON CODEC(ZSTD(3)),\n",
    "            attack_dump JSON CODEC(ZSTD(3)),\n",
    "            mbc_dump JSON CODEC(ZSTD(3))\n",
    "        ) ENGINE = ReplacingMergeTree(analysis_date)\n",
    "        ORDER BY sha256;\n",
    "    \"\"\")\n",
    "\n",
    "    client.command(\"\"\"\n",
    "        -- Normalized table for capabilities and namespaces\n",
    "        CREATE TABLE IF NOT EXISTS redb_capa_capabilities (\n",
    "            sha256 FixedString(64),\n",
    "            md5 FixedString(32),\n",
    "            sha1 FixedString(40),\n",
    "            analysis_date DateTime64(3, 'UTC'),\n",
    "            namespace LowCardinality(String),\n",
    "            capability LowCardinality(String)\n",
    "        ) ENGINE = ReplacingMergeTree(analysis_date)\n",
    "        ORDER BY (sha256, namespace, capability);\n",
    "    \"\"\")\n",
    "\n",
    "    client.command(\"\"\"\n",
    "        -- Materialized view for capability statistics\n",
    "        CREATE MATERIALIZED VIEW IF NOT EXISTS redb_capa_capabilities_stats (\n",
    "            namespace LowCardinality(String),\n",
    "            capability LowCardinality(String),\n",
    "            samples_bitmap AggregateFunction(groupBitmap, UInt64),\n",
    "            occurrence_count UInt64\n",
    "        ) ENGINE = AggregatingMergeTree()\n",
    "        ORDER BY (namespace, capability)\n",
    "        AS SELECT\n",
    "            namespace,\n",
    "            capability,\n",
    "            groupBitmapState(cityHash64(sha256)) as samples_bitmap,\n",
    "            count() as occurrence_count\n",
    "        FROM redb_capa_capabilities\n",
    "        GROUP BY namespace, capability;\n",
    "    \"\"\")\n",
    "\n",
    "    client.command(\"\"\"\n",
    "        -- Normalized table for MITRE ATT&CK mappings\n",
    "        CREATE TABLE IF NOT EXISTS redb_capa_attack (\n",
    "            sha256 FixedString(64),\n",
    "            md5 FixedString(32),\n",
    "            sha1 FixedString(40),\n",
    "            analysis_date DateTime64(3, 'UTC'),\n",
    "            tactic LowCardinality(String),\n",
    "            technique LowCardinality(String),\n",
    "            technique_id LowCardinality(String)\n",
    "        ) ENGINE = ReplacingMergeTree(analysis_date)\n",
    "        ORDER BY (sha256, tactic, technique_id);\n",
    "    \"\"\")\n",
    "\n",
    "    client.command(\"\"\"\n",
    "        -- Materialized view for ATT&CK statistics\n",
    "        CREATE MATERIALIZED VIEW IF NOT EXISTS redb_capa_attack_stats (\n",
    "            tactic LowCardinality(String),\n",
    "            technique LowCardinality(String),\n",
    "            technique_id LowCardinality(String),\n",
    "            samples_bitmap AggregateFunction(groupBitmap, UInt64),\n",
    "            occurrence_count UInt64\n",
    "        ) ENGINE = AggregatingMergeTree()\n",
    "        ORDER BY (tactic, technique_id)\n",
    "        AS SELECT\n",
    "            tactic,\n",
    "            technique,\n",
    "            technique_id,\n",
    "            groupBitmapState(cityHash64(sha256)) as samples_bitmap,\n",
    "            count() as occurrence_count\n",
    "        FROM redb_capa_attack\n",
    "        GROUP BY tactic, technique, technique_id;\n",
    "    \"\"\")\n",
    "\n",
    "    client.command(\"\"\"\n",
    "        -- Normalized table for MBC mappings\n",
    "        CREATE TABLE IF NOT EXISTS redb_capa_mbc (\n",
    "            sha256 FixedString(64),\n",
    "            md5 FixedString(32),\n",
    "            sha1 FixedString(40),\n",
    "            analysis_date DateTime64(3, 'UTC'),\n",
    "            objective LowCardinality(String),\n",
    "            behavior LowCardinality(String),\n",
    "            behavior_id LowCardinality(String)\n",
    "        ) ENGINE = ReplacingMergeTree(analysis_date)\n",
    "        ORDER BY (sha256, objective, behavior_id);\n",
    "    \"\"\")\n",
    "\n",
    "    client.command(\"\"\"\n",
    "        -- Materialized view for MBC statistics\n",
    "        CREATE MATERIALIZED VIEW IF NOT EXISTS redb_capa_mbc_stats (\n",
    "            objective LowCardinality(String),\n",
    "            behavior LowCardinality(String),\n",
    "            behavior_id LowCardinality(String),\n",
    "            samples_bitmap AggregateFunction(groupBitmap, UInt64),\n",
    "            occurrence_count UInt64\n",
    "        ) ENGINE = AggregatingMergeTree()\n",
    "        ORDER BY (objective, behavior_id)\n",
    "        AS SELECT\n",
    "            objective,\n",
    "            behavior,\n",
    "            behavior_id,\n",
    "            groupBitmapState(cityHash64(sha256)) as samples_bitmap,\n",
    "            count() as occurrence_count\n",
    "        FROM redb_capa_mbc\n",
    "        GROUP BY objective, behavior, behavior_id;\n",
    "    \"\"\")\n",
    "\n",
    "def create_die_dbtable(client):\n",
    "    # Create sample_die table\n",
    "    client.command(\"\"\"\n",
    "        SET enable_json_type = 1;\n",
    "    \"\"\")\n",
    "    client.command(\"\"\"\n",
    "        CREATE TABLE IF NOT EXISTS redb_die (\n",
    "            sha256 FixedString(64),\n",
    "            md5 FixedString(32),\n",
    "            sha1 FixedString(40),\n",
    "            die_info JSON CODEC(ZSTD(3)),\n",
    "            analysis_date DateTime64(3, 'UTC')\n",
    "        ) ENGINE = ReplacingMergeTree(analysis_date)\n",
    "        PRIMARY KEY (sha256)\n",
    "        ORDER BY (sha256)\n",
    "    \"\"\")\n",
    "\n",
    "    client.command(\"\"\"\n",
    "        CREATE MATERIALIZED VIEW redb_die_mv\n",
    "        (\n",
    "            sha256 FixedString(64),\n",
    "            md5 FixedString(32),\n",
    "            sha1 FixedString(40),\n",
    "            analysis_date DateTime64(3, 'UTC'),\n",
    "            compiler LowCardinality(Nullable(String)),\n",
    "            compiler_full Nullable(String),\n",
    "            format LowCardinality(Nullable(String)),\n",
    "            format_full Nullable(String),\n",
    "            installer LowCardinality(Nullable(String)),\n",
    "            installer_full Nullable(String),\n",
    "            joiner LowCardinality(Nullable(String)),\n",
    "            joiner_full Nullable(String),\n",
    "            language LowCardinality(Nullable(String)),\n",
    "            language_full Nullable(String),\n",
    "            library LowCardinality(Nullable(String)),\n",
    "            library_full Nullable(String),\n",
    "            linker LowCardinality(Nullable(String)),\n",
    "            linker_full Nullable(String),\n",
    "            operation_system LowCardinality(Nullable(String)),\n",
    "            operation_system_full Nullable(String),\n",
    "            packer LowCardinality(Nullable(String)),\n",
    "            packer_full Nullable(String),\n",
    "            protector LowCardinality(Nullable(String)),\n",
    "            protector_full Nullable(String),\n",
    "            sfx LowCardinality(Nullable(String)),\n",
    "            sfx_full Nullable(String),\n",
    "            sign_tool LowCardinality(Nullable(String)),\n",
    "            sign_tool_full Nullable(String),\n",
    "            stub LowCardinality(Nullable(String)),\n",
    "            stub_full Nullable(String),\n",
    "            tool LowCardinality(Nullable(String)),\n",
    "            tool_full Nullable(String),   \n",
    "            -- overlay JSON CODEC(ZSTD(3)),\n",
    "            -- resource JSON CODEC(ZSTD(3)),\n",
    "            has_overlay UInt8,\n",
    "            has_resources UInt8,\n",
    "            is_packed UInt8\n",
    "        )\n",
    "        ENGINE = ReplacingMergeTree(analysis_date)\n",
    "        ORDER BY (sha256)\n",
    "        POPULATE\n",
    "        AS SELECT\n",
    "            sha256,\n",
    "            md5,\n",
    "            sha1,\n",
    "            analysis_date,\n",
    "            nullIf(JSONExtractString(toString(die_info), 'compiler'), '') AS compiler,\n",
    "            nullIf(JSONExtractString(toString(die_info), 'compiler(full)'), '') AS compiler_full,\n",
    "            nullIf(JSONExtractString(toString(die_info), 'format'), '') AS format,\n",
    "            nullIf(JSONExtractString(toString(die_info), 'format(full)'), '') AS format_full,\n",
    "            nullIf(JSONExtractString(toString(die_info), 'installer'), '') AS installer,\n",
    "            nullIf(JSONExtractString(toString(die_info), 'installer(full)'), '') AS installer_full,\n",
    "            nullIf(JSONExtractString(toString(die_info), 'joiner'), '') AS joiner,\n",
    "            nullIf(JSONExtractString(toString(die_info), 'joiner(full)'), '') AS joiner_full,\n",
    "            nullIf(JSONExtractString(toString(die_info), 'language'), '') AS language,\n",
    "            nullIf(JSONExtractString(toString(die_info), 'language(full)'), '') AS language_full,\n",
    "            nullIf(JSONExtractString(toString(die_info), 'library'), '') AS library,\n",
    "            nullIf(JSONExtractString(toString(die_info), 'library(full)'), '') AS library_full,\n",
    "            nullIf(JSONExtractString(toString(die_info), 'linker'), '') AS linker,\n",
    "            nullIf(JSONExtractString(toString(die_info), 'linker(full)'), '') AS linker_full,\n",
    "            nullIf(JSONExtractString(toString(die_info), 'operation_system'), '') AS operation_system,\n",
    "            nullIf(JSONExtractString(toString(die_info), 'operation_system(full)'), '') AS operation_system_full,\n",
    "            nullIf(JSONExtractString(toString(die_info), 'packer'), '') AS packer,\n",
    "            nullIf(JSONExtractString(toString(die_info), 'packer(full)'), '') AS packer_full,\n",
    "            nullIf(JSONExtractString(toString(die_info), 'protector'), '') AS protector,\n",
    "            nullIf(JSONExtractString(toString(die_info), 'protector(full)'), '') AS protector_full,\n",
    "            nullIf(JSONExtractString(toString(die_info), 'sfx'), '') AS sfx,\n",
    "            nullIf(JSONExtractString(toString(die_info), 'sfx(full)'), '') AS sfx_full,\n",
    "            nullIf(JSONExtractString(toString(die_info), 'sign_tool'), '') AS sign_tool,\n",
    "            nullIf(JSONExtractString(toString(die_info), 'sign_tool(full)'), '') AS sign_tool_full,\n",
    "            nullIf(JSONExtractString(toString(die_info), 'stub'), '') AS stub,\n",
    "            nullIf(JSONExtractString(toString(die_info),