Add GizmoSQL

gizmosql/benchmark.sh

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+#!/bin/bash
+
+# Install requirements
+sudo apt-get update -y
+sudo apt install openjdk-17-jre-headless unzip netcat-openbsd -y
+
+# Detect architecture (maps x86_64->amd64, aarch64->arm64)
+ARCH=$(uname -m)
+if [ "$ARCH" = "x86_64" ]; then
+    ARCH="amd64"
+elif [ "$ARCH" = "aarch64" ]; then
+    ARCH="arm64"
+fi
+
+# Server setup Install
+curl -L -o gizmosql.zip "https://github.com/gizmodata/gizmosql/releases/latest/download/gizmosql_cli_linux_${ARCH}.zip"
+unzip gizmosql.zip
+sudo mv gizmosql_server gizmosql_client /usr/local/bin/
+
+# Install Java and the GizmoSQLLine CLI client
+pushd /tmp
+curl -L -o gizmosqlline https://github.com/gizmodata/gizmosqlline/releases/latest/download/gizmosqlline
+chmod +x gizmosqlline
+sudo mv gizmosqlline /usr/local/bin/
+popd
+
+# Source our env vars and utility functions for starting/stopping gizmosql server
+. util.sh
+
+# Start the GizmoSQL server in the background
+start_gizmosql
+
+# Create the table
+gizmosqlline \
+  -u ${GIZMOSQL_SERVER_URI} \
+  -n ${GIZMOSQL_USERNAME} \
+  -p ${GIZMOSQL_PASSWORD} \
+  -f create.sql
+
+# Load the data
+wget --continue --progress=dot:giga 'https://datasets.clickhouse.com/hits_compatible/hits.parquet'
+
+echo -n "Load time: "
+time gizmosqlline \
+  -u ${GIZMOSQL_SERVER_URI} \
+  -n ${GIZMOSQL_USERNAME} \
+  -p ${GIZMOSQL_PASSWORD} \
+  -f load.sql
+
+stop_gizmosql
+
+# Run the queries
+script --quiet --command="./run.sh" log.txt
+
+# Remove carriage returns from the log
+sed -i 's/\r$//' log.txt
+
+echo -n "Data size: "
+wc -c clickbench.db
+
+cat log.txt | \
+  grep -E 'rows? selected \([0-9.]+ seconds\)|Killed|Segmentation' | \
+  sed -E 's/.*rows? selected \(([0-9.]+) seconds\).*/\1/; s/.*(Killed|Segmentation).*/null/' | \
+  awk '{
+    if (NR % 3 == 1) printf "[";
+    if ($1 == "null") printf "null";
+    else printf $1;
+    if (NR % 3 == 0) printf "],\n";
+    else printf ", ";
+  }'

gizmosql/create.sql

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+CREATE OR REPLACE TABLE hits
+(
+    WatchID BIGINT NOT NULL,
+    JavaEnable SMALLINT NOT NULL,
+    Title TEXT,
+    GoodEvent SMALLINT NOT NULL,
+    EventTime TIMESTAMP NOT NULL,
+    EventDate Date NOT NULL,
+    CounterID INTEGER NOT NULL,
+    ClientIP INTEGER NOT NULL,
+    RegionID INTEGER NOT NULL,
+    UserID BIGINT NOT NULL,
+    CounterClass SMALLINT NOT NULL,
+    OS SMALLINT NOT NULL,
+    UserAgent SMALLINT NOT NULL,
+    URL TEXT,
+    Referer TEXT,
+    IsRefresh SMALLINT NOT NULL,
+    RefererCategoryID SMALLINT NOT NULL,
+    RefererRegionID INTEGER NOT NULL,
+    URLCategoryID SMALLINT NOT NULL,
+    URLRegionID INTEGER NOT NULL,
+    ResolutionWidth SMALLINT NOT NULL,
+    ResolutionHeight SMALLINT NOT NULL,
+    ResolutionDepth SMALLINT NOT NULL,
+    FlashMajor SMALLINT NOT NULL,
+    FlashMinor SMALLINT NOT NULL,
+    FlashMinor2 TEXT,
+    NetMajor SMALLINT NOT NULL,
+    NetMinor SMALLINT NOT NULL,
+    UserAgentMajor SMALLINT NOT NULL,
+    UserAgentMinor VARCHAR(255) NOT NULL,
+    CookieEnable SMALLINT NOT NULL,
+    JavascriptEnable SMALLINT NOT NULL,
+    IsMobile SMALLINT NOT NULL,
+    MobilePhone SMALLINT NOT NULL,
+    MobilePhoneModel TEXT,
+    Params TEXT,
+    IPNetworkID INTEGER NOT NULL,
+    TraficSourceID SMALLINT NOT NULL,
+    SearchEngineID SMALLINT NOT NULL,
+    SearchPhrase TEXT,
+    AdvEngineID SMALLINT NOT NULL,
+    IsArtifical SMALLINT NOT NULL,
+    WindowClientWidth SMALLINT NOT NULL,
+    WindowClientHeight SMALLINT NOT NULL,
+    ClientTimeZone SMALLINT NOT NULL,
+    ClientEventTime TIMESTAMP NOT NULL,
+    SilverlightVersion1 SMALLINT NOT NULL,
+    SilverlightVersion2 SMALLINT NOT NULL,
+    SilverlightVersion3 INTEGER NOT NULL,
+    SilverlightVersion4 SMALLINT NOT NULL,
+    PageCharset TEXT,
+    CodeVersion INTEGER NOT NULL,
+    IsLink SMALLINT NOT NULL,
+    IsDownload SMALLINT NOT NULL,
+    IsNotBounce SMALLINT NOT NULL,
+    FUniqID BIGINT NOT NULL,
+    OriginalURL TEXT,
+    HID INTEGER NOT NULL,
+    IsOldCounter SMALLINT NOT NULL,
+    IsEvent SMALLINT NOT NULL,
+    IsParameter SMALLINT NOT NULL,
+    DontCountHits SMALLINT NOT NULL,
+    WithHash SMALLINT NOT NULL,
+    HitColor CHAR NOT NULL,
+    LocalEventTime TIMESTAMP NOT NULL,
+    Age SMALLINT NOT NULL,
+    Sex SMALLINT NOT NULL,
+    Income SMALLINT NOT NULL,
+    Interests SMALLINT NOT NULL,
+    Robotness SMALLINT NOT NULL,
+    RemoteIP INTEGER NOT NULL,
+    WindowName INTEGER NOT NULL,
+    OpenerName INTEGER NOT NULL,
+    HistoryLength SMALLINT NOT NULL,
+    BrowserLanguage TEXT,
+    BrowserCountry TEXT,
+    SocialNetwork TEXT,
+    SocialAction TEXT,
+    HTTPError SMALLINT NOT NULL,
+    SendTiming INTEGER NOT NULL,
+    DNSTiming INTEGER NOT NULL,
+    ConnectTiming INTEGER NOT NULL,
+    ResponseStartTiming INTEGER NOT NULL,
+    ResponseEndTiming INTEGER NOT NULL,
+    FetchTiming INTEGER NOT NULL,
+    SocialSourceNetworkID SMALLINT NOT NULL,
+    SocialSourcePage TEXT,
+    ParamPrice BIGINT NOT NULL,
+    ParamOrderID TEXT,
+    ParamCurrency TEXT,
+    ParamCurrencyID SMALLINT NOT NULL,
+    OpenstatServiceName TEXT,
+    OpenstatCampaignID TEXT,
+    OpenstatAdID TEXT,
+    OpenstatSourceID TEXT,
+    UTMSource TEXT,
+    UTMMedium TEXT,
+    UTMCampaign TEXT,
+    UTMContent TEXT,
+    UTMTerm TEXT,
+    FromTag TEXT,
+    HasGCLID SMALLINT NOT NULL,
+    RefererHash BIGINT NOT NULL,
+    URLHash BIGINT NOT NULL,
+    CLID INTEGER NOT NULL
+);

gizmosql/load.sql

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+INSERT INTO hits BY NAME
+SELECT * REPLACE (
+    make_date(EventDate) AS EventDate,
+    epoch_ms(EventTime * 1000) AS EventTime,
+    epoch_ms(ClientEventTime * 1000) AS ClientEventTime,
+    epoch_ms(LocalEventTime * 1000) AS LocalEventTime)
+FROM read_parquet('hits.parquet', binary_as_string=True);

gizmosql/queries.sql

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+SELECT COUNT(*) FROM hits;
+SELECT COUNT(*) FROM hits WHERE AdvEngineID <> 0;
+SELECT SUM(AdvEngineID), COUNT(*), AVG(ResolutionWidth) FROM hits;
+SELECT AVG(UserID) FROM hits;
+SELECT COUNT(DISTINCT UserID) FROM hits;
+SELECT COUNT(DISTINCT SearchPhrase) FROM hits;
+SELECT MIN(EventDate), MAX(EventDate) FROM hits;
+SELECT AdvEngineID, COUNT(*) FROM hits WHERE AdvEngineID <> 0 GROUP BY AdvEngineID ORDER BY COUNT(*) DESC;
+SELECT RegionID, COUNT(DISTINCT UserID) AS u FROM hits GROUP BY RegionID ORDER BY u DESC LIMIT 10;
+SELECT RegionID, SUM(AdvEngineID), COUNT(*) AS c, AVG(ResolutionWidth), COUNT(DISTINCT UserID) FROM hits GROUP BY RegionID ORDER BY c DESC LIMIT 10;
+SELECT MobilePhoneModel, COUNT(DISTINCT UserID) AS u FROM hits WHERE MobilePhoneModel <> '' GROUP BY MobilePhoneModel ORDER BY u DESC LIMIT 10;
+SELECT MobilePhone, MobilePhoneModel, COUNT(DISTINCT UserID) AS u FROM hits WHERE MobilePhoneModel <> '' GROUP BY MobilePhone, MobilePhoneModel ORDER BY u DESC LIMIT 10;
+SELECT SearchPhrase, COUNT(*) AS c FROM hits WHERE SearchPhrase <> '' GROUP BY SearchPhrase ORDER BY c DESC LIMIT 10;
+SELECT SearchPhrase, COUNT(DISTINCT UserID) AS u FROM hits WHERE SearchPhrase <> '' GROUP BY SearchPhrase ORDER BY u DESC LIMIT 10;
+SELECT SearchEngineID, SearchPhrase, COUNT(*) AS c FROM hits WHERE SearchPhrase <> '' GROUP BY SearchEngineID, SearchPhrase ORDER BY c DESC LIMIT 10;
+SELECT UserID, COUNT(*) FROM hits GROUP BY UserID ORDER BY COUNT(*) DESC LIMIT 10;
+SELECT UserID, SearchPhrase, COUNT(*) FROM hits GROUP BY UserID, SearchPhrase ORDER BY COUNT(*) DESC LIMIT 10;
+SELECT UserID, SearchPhrase, COUNT(*) FROM hits GROUP BY UserID, SearchPhrase LIMIT 10;
+SELECT UserID, extract(minute FROM EventTime) AS m, SearchPhrase, COUNT(*) FROM hits GROUP BY UserID, m, SearchPhrase ORDER BY COUNT(*) DESC LIMIT 10;
+SELECT UserID FROM hits WHERE UserID = 435090932899640449;
+SELECT COUNT(*) FROM hits WHERE URL LIKE '%google%';
+SELECT SearchPhrase, MIN(URL), COUNT(*) AS c FROM hits WHERE URL LIKE '%google%' AND SearchPhrase <> '' GROUP BY SearchPhrase ORDER BY c DESC LIMIT 10;
+SELECT SearchPhrase, MIN(URL), MIN(Title), COUNT(*) AS c, COUNT(DISTINCT UserID) FROM hits WHERE Title LIKE '%Google%' AND URL NOT LIKE '%.google.%' AND SearchPhrase <> '' GROUP BY SearchPhrase ORDER BY c DESC LIMIT 10;
+SELECT * FROM hits WHERE URL LIKE '%google%' ORDER BY EventTime LIMIT 10;
+SELECT SearchPhrase FROM hits WHERE SearchPhrase <> '' ORDER BY EventTime LIMIT 10;
+SELECT SearchPhrase FROM hits WHERE SearchPhrase <> '' ORDER BY SearchPhrase LIMIT 10;
+SELECT SearchPhrase FROM hits WHERE SearchPhrase <> '' ORDER BY EventTime, SearchPhrase LIMIT 10;
+SELECT CounterID, AVG(STRLEN(URL)) AS l, COUNT(*) AS c FROM hits WHERE URL <> '' GROUP BY CounterID HAVING COUNT(*) > 100000 ORDER BY l DESC LIMIT 25;
+SELECT REGEXP_REPLACE(Referer, '^https?://(?:www\.)?([^/]+)/.*$', '\1') AS k, AVG(STRLEN(Referer)) AS l, COUNT(*) AS c, MIN(Referer) FROM hits WHERE Referer <> '' GROUP BY k HAVING COUNT(*) > 100000 ORDER BY l DESC LIMIT 25;
+SELECT SUM(ResolutionWidth), SUM(ResolutionWidth + 1), SUM(ResolutionWidth + 2), SUM(ResolutionWidth + 3), SUM(ResolutionWidth + 4), SUM(ResolutionWidth + 5), SUM(ResolutionWidth + 6), SUM(ResolutionWidth + 7), SUM(ResolutionWidth + 8), SUM(ResolutionWidth + 9), SUM(ResolutionWidth + 10), SUM(ResolutionWidth + 11), SUM(ResolutionWidth + 12), SUM(ResolutionWidth + 13), SUM(ResolutionWidth + 14), SUM(ResolutionWidth + 15), SUM(ResolutionWidth + 16), SUM(ResolutionWidth + 17), SUM(ResolutionWidth + 18), SUM(ResolutionWidth + 19), SUM(ResolutionWidth + 20), SUM(ResolutionWidth + 21), SUM(ResolutionWidth + 22), SUM(ResolutionWidth + 23), SUM(ResolutionWidth + 24), SUM(ResolutionWidth + 25), SUM(ResolutionWidth + 26), SUM(ResolutionWidth + 27), SUM(ResolutionWidth + 28), SUM(ResolutionWidth + 29), SUM(ResolutionWidth + 30), SUM(ResolutionWidth + 31), SUM(ResolutionWidth + 32), SUM(ResolutionWidth + 33), SUM(ResolutionWidth + 34), SUM(ResolutionWidth + 35), SUM(ResolutionWidth + 36), SUM(ResolutionWidth + 37), SUM(ResolutionWidth + 38), SUM(ResolutionWidth + 39), SUM(ResolutionWidth + 40), SUM(ResolutionWidth + 41), SUM(ResolutionWidth + 42), SUM(ResolutionWidth + 43), SUM(ResolutionWidth + 44), SUM(ResolutionWidth + 45), SUM(ResolutionWidth + 46), SUM(ResolutionWidth + 47), SUM(ResolutionWidth + 48), SUM(ResolutionWidth + 49), SUM(ResolutionWidth + 50), SUM(ResolutionWidth + 51), SUM(ResolutionWidth + 52), SUM(ResolutionWidth + 53), SUM(ResolutionWidth + 54), SUM(ResolutionWidth + 55), SUM(ResolutionWidth + 56), SUM(ResolutionWidth + 57), SUM(ResolutionWidth + 58), SUM(ResolutionWidth + 59), SUM(ResolutionWidth + 60), SUM(ResolutionWidth + 61), SUM(ResolutionWidth + 62), SUM(ResolutionWidth + 63), SUM(ResolutionWidth + 64), SUM(ResolutionWidth + 65), SUM(ResolutionWidth + 66), SUM(ResolutionWidth + 67), SUM(ResolutionWidth + 68), SUM(ResolutionWidth + 69), SUM(ResolutionWidth + 70), SUM(ResolutionWidth + 71), SUM(ResolutionWidth + 72), SUM(ResolutionWidth + 73), SUM(ResolutionWidth + 74), SUM(ResolutionWidth + 75), SUM(ResolutionWidth + 76), SUM(ResolutionWidth + 77), SUM(ResolutionWidth + 78), SUM(ResolutionWidth + 79), SUM(ResolutionWidth + 80), SUM(ResolutionWidth + 81), SUM(ResolutionWidth + 82), SUM(ResolutionWidth + 83), SUM(ResolutionWidth + 84), SUM(ResolutionWidth + 85), SUM(ResolutionWidth + 86), SUM(ResolutionWidth + 87), SUM(ResolutionWidth + 88), SUM(ResolutionWidth + 89) FROM hits;
+SELECT SearchEngineID, ClientIP, COUNT(*) AS c, SUM(IsRefresh), AVG(ResolutionWidth) FROM hits WHERE SearchPhrase <> '' GROUP BY SearchEngineID, ClientIP ORDER BY c DESC LIMIT 10;
+SELECT WatchID, ClientIP, COUNT(*) AS c, SUM(IsRefresh), AVG(ResolutionWidth) FROM hits WHERE SearchPhrase <> '' GROUP BY WatchID, ClientIP ORDER BY c DESC LIMIT 10;
+SELECT WatchID, ClientIP, COUNT(*) AS c, SUM(IsRefresh), AVG(ResolutionWidth) FROM hits GROUP BY WatchID, ClientIP ORDER BY c DESC LIMIT 10;
+SELECT URL, COUNT(*) AS c FROM hits GROUP BY URL ORDER BY c DESC LIMIT 10;
+SELECT 1, URL, COUNT(*) AS c FROM hits GROUP BY 1, URL ORDER BY c DESC LIMIT 10;
+SELECT ClientIP, ClientIP - 1, ClientIP - 2, ClientIP - 3, COUNT(*) AS c FROM hits GROUP BY ClientIP, ClientIP - 1, ClientIP - 2, ClientIP - 3 ORDER BY c DESC LIMIT 10;
+SELECT URL, COUNT(*) AS PageViews FROM hits WHERE CounterID = 62 AND EventDate >= '2013-07-01' AND EventDate <= '2013-07-31' AND DontCountHits = 0 AND IsRefresh = 0 AND URL <> '' GROUP BY URL ORDER BY PageViews DESC LIMIT 10;
+SELECT Title, COUNT(*) AS PageViews FROM hits WHERE CounterID = 62 AND EventDate >= '2013-07-01' AND EventDate <= '2013-07-31' AND DontCountHits = 0 AND IsRefresh = 0 AND Title <> '' GROUP BY Title ORDER BY PageViews DESC LIMIT 10;
+SELECT URL, COUNT(*) AS PageViews FROM hits WHERE CounterID = 62 AND EventDate >= '2013-07-01' AND EventDate <= '2013-07-31' AND IsRefresh = 0 AND IsLink <> 0 AND IsDownload = 0 GROUP BY URL ORDER BY PageViews DESC LIMIT 10 OFFSET 1000;
+SELECT TraficSourceID, SearchEngineID, AdvEngineID, CASE WHEN (SearchEngineID = 0 AND AdvEngineID = 0) THEN Referer ELSE '' END AS Src, URL AS Dst, COUNT(*) AS PageViews FROM hits WHERE CounterID = 62 AND EventDate >= '2013-07-01' AND EventDate <= '2013-07-31' AND IsRefresh = 0 GROUP BY TraficSourceID, SearchEngineID, AdvEngineID, Src, Dst ORDER BY PageViews DESC LIMIT 10 OFFSET 1000;
+SELECT URLHash, EventDate, COUNT(*) AS PageViews FROM hits WHERE CounterID = 62 AND EventDate >= '2013-07-01' AND EventDate <= '2013-07-31' AND IsRefresh = 0 AND TraficSourceID IN (-1, 6) AND RefererHash = 3594120000172545465 GROUP BY URLHash, EventDate ORDER BY PageViews DESC LIMIT 10 OFFSET 100;
+SELECT WindowClientWidth, WindowClientHeight, COUNT(*) AS PageViews FROM hits WHERE CounterID = 62 AND EventDate >= '2013-07-01' AND EventDate <= '2013-07-31' AND IsRefresh = 0 AND DontCountHits = 0 AND URLHash = 2868770270353813622 GROUP BY WindowClientWidth, WindowClientHeight ORDER BY PageViews DESC LIMIT 10 OFFSET 10000;
+SELECT DATE_TRUNC('minute', EventTime) AS M, COUNT(*) AS PageViews FROM hits WHERE CounterID = 62 AND EventDate >= '2013-07-14' AND EventDate <= '2013-07-15' AND IsRefresh = 0 AND DontCountHits = 0 GROUP BY DATE_TRUNC('minute', EventTime) ORDER BY DATE_TRUNC('minute', EventTime) LIMIT 10 OFFSET 1000;

gizmosql/results/c6a.4xlarge.json

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+{
+    "system": "GizmoSQL",
+    "date": "2026-01-24",
+    "machine": "c6a.4xlarge",
+    "cluster_size": 1,
+    "proprietary": "no",
+    "hardware": "cpu",
+    "tuned": "no",
+    "tags": ["C++","column-oriented","arrow-flight-sql","duckdb-backend","cold-run","tls-disabled"],
+    "load_time": 131.966,
+    "data_size": 26924298240,
+    "result": [
+        [0.053, 0.008, 0.007],
+        [0.129, 0.012, 0.01],
+        [0.175, 0.029, 0.027],
+        [0.321, 0.039, 0.039],
+        [0.363, 0.261, 0.26],
+        [0.838, 0.423, 0.416],
+        [0.096, 0.015, 0.014],
+        [0.091, 0.016, 0.015],
+        [0.529, 0.358, 0.361],
+        [0.679, 0.521, 0.524],
+        [0.299, 0.14, 0.137],
+        [0.295, 0.147, 0.144],
+        [0.554, 0.404, 0.403],
+        [0.915, 0.696, 0.702],
+        [0.62, 0.43, 0.426],
+        [0.451, 0.324, 0.33],
+        [1.023, 0.832, 0.84],
+        [0.783, 0.562, 0.576],
+        [1.993, 1.517, 1.539],
+        [0.074, 0.014, 0.012],
+        [17.562, 0.483, 0.479],
+        [0.953, 0.493, 0.482],
+        [11.484, 0.531, 0.541],
+        [0.54, 0.125, 0.117],
+        [0.108, 0.04, 0.041],
+        [0.227, 0.149, 0.149],
+        [0.112, 0.037, 0.036],
+        [0.862, 0.374, 0.375],
+        [12.601, 7.034, 7.025],
+        [0.14, 0.053, 0.046],
+        [0.629, 0.345, 0.346],
+        [2.031, 0.424, 0.43],
+        [2.052, 1.713, 1.772],
+        [2.309, 1.704, 1.716],
+        [2.438, 1.841, 1.816],
+        [0.526, 0.416, 0.426],
+        [0.097, 0.047, 0.044],
+        [0.079, 0.021, 0.018],
+        [0.08, 0.023, 0.021],
+        [0.152, 0.074, 0.066],
+        [0.079, 0.02, 0.015],
+        [0.077, 0.02, 0.016],
+        [0.08, 0.022, 0.021]
+    ]
+}

gizmosql/run.sh

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+#!/bin/bash
+
+# Source our env vars
+. util.sh
+
+TRIES=3
+TEMP_SQL_FILE="/tmp/benchmark_queries_$$.sql"
+
+# Ensure server is stopped on script exit
+trap stop_gizmosql EXIT
+
+echo "Clear Linux memory caches to ensure fair benchmark comparisons"
+sync
+echo 3 | sudo tee /proc/sys/vm/drop_caches > /dev/null
+
+# Read queries from file
+mapfile -t queries < queries.sql
+
+echo "Running benchmark with ${#queries[@]} queries, ${TRIES} tries each..."
+
+for query in "${queries[@]}"; do
+    > "${TEMP_SQL_FILE}"
+
+    # Start the GizmoSQL server
+    start_gizmosql
+
+    # Add a comment to identify the query in the output
+    echo "-- Query: ${query}" >> "${TEMP_SQL_FILE}"
+
+    # Repeat each query TRIES times
+    for i in $(seq 1 ${TRIES}); do
+        echo "${query}" >> "${TEMP_SQL_FILE}"
+    done
+
+    # Execute the query script
+    gizmosqlline \
+        -u ${GIZMOSQL_SERVER_URI} \
+        -n ${GIZMOSQL_USERNAME} \
+        -p ${GIZMOSQL_PASSWORD} \
+        -f "${TEMP_SQL_FILE}"
+
+    # Stop the server before next query
+    stop_gizmosql
+done
+
+# Clean up
+rm -f "${TEMP_SQL_FILE}"

gizmosql/template.json

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+{
+  "system": "GizmoSQL",
+  "proprietary": "no",
+  "hardware": "cpu",
+  "tuned": "no",
+  "tags": [
+    "C++",
+    "column-oriented",
+    "arrow-flight-sql",
+    "duckdb-backend",
+    "cold-run",
+    "tls-disabled"
+  ]
+}

gizmosql/util.sh

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+#!/bin/bash
+
+# Variables
+GIZMOSQL_SERVER_URI="jdbc:arrow-flight-sql://localhost:31337?useEncryption=false"
+GIZMOSQL_USERNAME=clickbench
+GIZMOSQL_PASSWORD=clickbench
+PID_FILE="/tmp/gizmosql_server_$$.pid"
+
+# Function to start the GizmoSQL server
+start_gizmosql() {
+    export GIZMOSQL_PASSWORD="${GIZMOSQL_PASSWORD}"
+
+    nohup gizmosql_server \
+        --username ${GIZMOSQL_USERNAME} \
+        --database-filename clickbench.db \
+        --print-queries >> gizmosql_server.log 2>&1 &
+
+    echo $! > "${PID_FILE}"
+
+    # Wait for server to be ready
+    echo "Waiting for gizmosql_server to start..."
+    while ! nc -z localhost 31337 2>/dev/null; do
+        sleep 1
+    done
+    echo "gizmosql_server is ready (PID: $(cat ${PID_FILE}))"
+}
+
+# Function to stop the GizmoSQL server
+stop_gizmosql() {
+    if [ -f "${PID_FILE}" ]; then
+        local pid=$(cat "${PID_FILE}")
+        if kill -0 "$pid" 2>/dev/null; then
+            echo "Stopping gizmosql_server (PID: $pid)..."
+            kill "$pid"
+            wait "$pid" 2>/dev/null
+        fi
+        rm -f "${PID_FILE}"
+    fi
+}