الدليل السريع لـ ClickHouse Managed Postgres

\

CREATE TABLE events (
   event_id SERIAL PRIMARY KEY,
   event_name VARCHAR(255) NOT NULL,
   event_type VARCHAR(100),
   event_timestamp TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
   event_data JSONB,
   user_id INT,
   user_ip INET,
   is_active BOOLEAN DEFAULT TRUE,
   created_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
   updated_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP
);

CREATE TABLE users (
   user_id SERIAL PRIMARY KEY,
   name VARCHAR(100),
   country VARCHAR(50),
   platform VARCHAR(50)
);

INSERT INTO events (event_name, event_type, event_timestamp, event_data, user_id, user_ip)
SELECT
   'Event ' || gs::text AS event_name,
   CASE
       WHEN random() < 0.5 THEN 'click'
       WHEN random() < 0.75 THEN 'view'
       WHEN random() < 0.9 THEN 'purchase'
       WHEN random() < 0.98 THEN 'signup'
       ELSE 'logout'
   END AS event_type,
   NOW() - INTERVAL '1 day' * (gs % 365) AS event_timestamp,
   jsonb_build_object('key', 'value' || gs::text, 'additional_info', 'info_' || (gs % 100)::text) AS event_data,
   GREATEST(1, LEAST(1000, FLOOR(POWER(random(), 2) * 1000) + 1)) AS user_id,
   ('192.168.1.' || ((gs % 254) + 1))::inet AS user_ip
FROM
   generate_series(1, 1000000) gs;

INSERT 0 1000000
Time: 3596.542 ms (00:03.597)

INSERT INTO users (name, country, platform)
SELECT
    first_names[first_idx] || ' ' || last_names[last_idx] AS name,
    CASE
        WHEN random() < 0.25 THEN 'India'
        WHEN random() < 0.5 THEN 'USA'
        WHEN random() < 0.7 THEN 'Germany'
        WHEN random() < 0.85 THEN 'China'
        ELSE 'Other'
    END AS country,
    CASE
        WHEN random() < 0.2 THEN 'iOS'
        WHEN random() < 0.4 THEN 'Android'
        WHEN random() < 0.6 THEN 'Web'
        WHEN random() < 0.75 THEN 'Windows'
        WHEN random() < 0.9 THEN 'MacOS'
        ELSE 'Linux'
    END AS platform
FROM
    generate_series(1, 1000) AS seq
    CROSS JOIN LATERAL (
        SELECT
            array['Alice', 'Bob', 'Charlie', 'Diana', 'Eve', 'Frank', 'Grace', 'Hank', 'Ivy', 'Jack', 'Liam', 'Olivia', 'Noah', 'Emma', 'Sophia', 'Benjamin', 'Isabella', 'Lucas', 'Mia', 'Amelia', 'Aarav', 'Riya', 'Arjun', 'Ananya', 'Wei', 'Li', 'Huan', 'Mei', 'Hans', 'Klaus', 'Greta', 'Sofia'] AS first_names,
            array['Smith', 'Johnson', 'Williams', 'Brown', 'Jones', 'Garcia', 'Miller', 'Davis', 'Martinez', 'Taylor', 'Anderson', 'Thomas', 'Jackson', 'White', 'Harris', 'Martin', 'Thompson', 'Moore', 'Lee', 'Perez', 'Sharma', 'Patel', 'Gupta', 'Reddy', 'Zhang', 'Wang', 'Chen', 'Liu', 'Schmidt', 'Müller', 'Weber', 'Fischer'] AS last_names,
            1 + (seq % 32) AS first_idx,
            1 + ((seq / 32)::int % 32) AS last_idx
    ) AS names;

SELECT event_type, COUNT(*) as count 
FROM events 
GROUP BY event_type 
ORDER BY count DESC;

 event_type | count  
------------+--------
 click      | 499523
 view       | 375644
 purchase   | 112473
 signup     |  12117
 logout     |    243
(5 rows)

Time: 114.883 ms

SELECT COUNT(*) 
FROM events 
WHERE event_timestamp > NOW() - INTERVAL '30 days'
  AND event_data->>'additional_info' LIKE 'info_5%';

 count 
-------
  9042
(1 row)

Time: 109.294 ms

SELECT u.country, COUNT(*) as events, AVG(LENGTH(e.event_data::text))::int as avg_json_size
FROM events e
JOIN users u ON e.user_id = u.user_id
GROUP BY u.country
ORDER BY events DESC;

 country | events | avg_json_size 
---------+--------+---------------
 USA     | 383748 |            52
 India   | 255990 |            52
 Germany | 223781 |            52
 China   | 127754 |            52
 Other   |   8727 |            52
(5 rows)

Time: 224.670 ms

CREATE EXTENSION pg_clickhouse;

CREATE SERVER ch FOREIGN DATA WRAPPER clickhouse_fdw
       OPTIONS(driver 'http', host '<clickhouse_cloud_host>', dbname '<database_name>', port '8443');

CREATE USER MAPPING FOR CURRENT_USER SERVER ch 
OPTIONS (user 'default', password '<clickhouse_password>');

CREATE SCHEMA organization;
IMPORT FOREIGN SCHEMA "<database_name>" FROM SERVER ch INTO organization;

\

-- Via ClickHouse
SELECT 
    user_id,
    COUNT(*) as total_events,
    COUNT(DISTINCT event_type) as unique_event_types,
    SUM(CASE WHEN event_type = 'purchase' THEN 1 ELSE 0 END) as purchases,
    MIN(event_timestamp) as first_event,
    MAX(event_timestamp) as last_event
FROM organization.public_events
GROUP BY user_id
ORDER BY total_events DESC
LIMIT 10;

 user_id | total_events | unique_event_types | purchases |        first_event         |         last_event         
---------+--------------+--------------------+-----------+----------------------------+----------------------------
       1 |        31439 |                  5 |      3551 | 2025-01-22 22:40:45.612281 | 2026-01-21 22:40:45.612281
       2 |        13235 |                  4 |      1492 | 2025-01-22 22:40:45.612281 | 2026-01-21 22:40:45.612281
...
(10 rows)

Time: 163.898 ms   -- ClickHouse
Time: 554.621 ms   -- Same query on Postgres

-- Via ClickHouse
SELECT 
    u.country,
    u.platform,
    COUNT(DISTINCT e.user_id) as users,
    COUNT(*) as total_events,
    ROUND(COUNT(*)::numeric / COUNT(DISTINCT e.user_id), 2) as events_per_user,
    SUM(CASE WHEN e.event_type = 'purchase' THEN 1 ELSE 0 END) as purchases
FROM organization.public_events e
JOIN organization.public_users u ON e.user_id = u.user_id
GROUP BY u.country, u.platform
ORDER BY total_events DESC
LIMIT 10;

 country | platform | users | total_events | events_per_user | purchases 
---------+----------+-------+--------------+-----------------+-----------
 USA     | Android  |   115 |       109977 |             956 |     12388
 USA     | Web      |   108 |       105057 |             972 |     11847
 USA     | iOS      |    83 |        84594 |            1019 |      9565
 Germany | Android  |    85 |        77966 |             917 |      8852
 India   | Android  |    80 |        68095 |             851 |      7724
...
(10 rows)

Time: 170.353 ms   -- ClickHouse
Time: 1245.560 ms  -- Same query on Postgres

curl https://clickhouse.com/cli | sh

clickhousectl cloud auth login --api-key <YOUR_KEY> --api-secret <YOUR_SECRET>

clickhousectl cloud postgres create \
  --name quickstart-pg \
  --region us-east-1 \
  --size m6gd.large \
  --pg-version 18 \
  --json > pg.json

{
  "id": "3b5a3112-bf02-82d0-bd02-fbe67d5caa7a",
  "name": "quickstart-pg",
  "provider": "aws",
  "region": "us-east-1",
  "postgresVersion": "18",
  "size": "m6gd.large",
  "storageSize": 118,
  "haType": "none",
  "state": "creating",
  "createdAt": "2026-07-22T13:21:22Z",
  "hostname": "quickstart-pg-c1406b50.pg7dd324nz0a1qm1fqskxbjn7m.c0.us-east-1.aws.pg.clickhouse.cloud",
  "username": "postgres",
  "password": "vV6cfEr2p_-TzkCDrZOx",
  "connectionString": "postgres://postgres:vV6cfEr2p_-TzkCDrZOx@quickstart-pg-c1406b50.pg7dd324nz0a1qm1fqskxbjn7m.c0.us-east-1.aws.pg.clickhouse.cloud:5432/postgres?channel_binding=require",
  "isPrimary": true,
  "tags": []
}

PG_ID=$(jq -r .id pg.json)
PG_URL=$(jq -r .connectionString pg.json)

while [ "$(clickhousectl cloud postgres get "$PG_ID" --json | jq -r .state)" != "running" ]; do
  sleep 15
done

psql "$PG_URL" <<'SQL'
\timing
CREATE TABLE events (
   event_id SERIAL PRIMARY KEY,
   event_name VARCHAR(255) NOT NULL,
   event_type VARCHAR(100),
   event_timestamp TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
   event_data JSONB,
   user_id INT,
   user_ip INET,
   is_active BOOLEAN DEFAULT TRUE,
   created_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
   updated_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP
);

CREATE TABLE users (
   user_id SERIAL PRIMARY KEY,
   name VARCHAR(100),
   country VARCHAR(50),
   platform VARCHAR(50)
);

INSERT INTO events (event_name, event_type, event_timestamp, event_data, user_id, user_ip)
SELECT
   'Event ' || gs::text AS event_name,
   CASE
       WHEN random() < 0.5 THEN 'click'
       WHEN random() < 0.75 THEN 'view'
       WHEN random() < 0.9 THEN 'purchase'
       WHEN random() < 0.98 THEN 'signup'
       ELSE 'logout'
   END AS event_type,
   NOW() - INTERVAL '1 day' * (gs % 365) AS event_timestamp,
   jsonb_build_object('key', 'value' || gs::text, 'additional_info', 'info_' || (gs % 100)::text) AS event_data,
   GREATEST(1, LEAST(1000, FLOOR(POWER(random(), 2) * 1000) + 1)) AS user_id,
   ('192.168.1.' || ((gs % 254) + 1))::inet AS user_ip
FROM
   generate_series(1, 1000000) gs;

INSERT INTO users (name, country, platform)
SELECT
    first_names[first_idx] || ' ' || last_names[last_idx] AS name,
    CASE
        WHEN random() < 0.25 THEN 'India'
        WHEN random() < 0.5 THEN 'USA'
        WHEN random() < 0.7 THEN 'Germany'
        WHEN random() < 0.85 THEN 'China'
        ELSE 'Other'
    END AS country,
    CASE
        WHEN random() < 0.2 THEN 'iOS'
        WHEN random() < 0.4 THEN 'Android'
        WHEN random() < 0.6 THEN 'Web'
        WHEN random() < 0.75 THEN 'Windows'
        WHEN random() < 0.9 THEN 'MacOS'
        ELSE 'Linux'
    END AS platform
FROM
    generate_series(1, 1000) AS seq
    CROSS JOIN LATERAL (
        SELECT
            array['Alice', 'Bob', 'Charlie', 'Diana', 'Eve', 'Frank', 'Grace', 'Hank', 'Ivy', 'Jack', 'Liam', 'Olivia', 'Noah', 'Emma', 'Sophia', 'Benjamin', 'Isabella', 'Lucas', 'Mia', 'Amelia', 'Aarav', 'Riya', 'Arjun', 'Ananya', 'Wei', 'Li', 'Huan', 'Mei', 'Hans', 'Klaus', 'Greta', 'Sofia'] AS first_names,
            array['Smith', 'Johnson', 'Williams', 'Brown', 'Jones', 'Garcia', 'Miller', 'Davis', 'Martinez', 'Taylor', 'Anderson', 'Thomas', 'Jackson', 'White', 'Harris', 'Martin', 'Thompson', 'Moore', 'Lee', 'Perez', 'Sharma', 'Patel', 'Gupta', 'Reddy', 'Zhang', 'Wang', 'Chen', 'Liu', 'Schmidt', 'Müller', 'Weber', 'Fischer'] AS last_names,
            1 + (seq % 32) AS first_idx,
            1 + ((seq / 32)::int % 32) AS last_idx
    ) AS names;
SQL

Timing is on.
CREATE TABLE
Time: 86.029 ms
CREATE TABLE
Time: 80.962 ms
INSERT 0 1000000
Time: 7120.357 ms (00:07.120)
INSERT 0 1000
Time: 84.807 ms

psql "$PG_URL" -c "SELECT event_type, COUNT(*) FROM events GROUP BY event_type ORDER BY 2 DESC;"

clickhousectl cloud service create \
  --name quickstart-ch \
  --region us-east-1 \
  --json > ch.json

CH_ID=$(jq -r .service.id ch.json)
CH_PASSWORD=$(jq -r .password ch.json)

while [ "$(clickhousectl cloud service get "$CH_ID" --json | jq -r .state)" != "running" ]; do
  sleep 15
done

PG_HOST=$(jq -r .hostname pg.json)
PG_PASSWORD=$(jq -r .password pg.json)

clickhousectl cloud clickpipe create postgres "$CH_ID" \
  --name quickstart-sync \
  --host "$PG_HOST" \
  --pg-database postgres \
  --username postgres \
  --password "$PG_PASSWORD" \
  --table-mapping public.events:public_events \
  --table-mapping public.users:public_users \
  --json > pipe.json

PIPE_ID=$(jq -r .id pipe.json)

while :; do
  STATE=$(clickhousectl cloud clickpipe get "$CH_ID" "$PIPE_ID" --json | jq -r .state)
  case "$STATE" in
    Running) break ;;
    Failed|InternalError) echo "ClickPipe entered terminal state: $STATE" >&2; exit 1 ;;
  esac
  sleep 15
done

clickhousectl cloud service query --id "$CH_ID" \
  --query "SELECT count() FROM public_events"

Provisioning Query API endpoint + key for service 'quickstart-ch'...
1000000

psql "$PG_URL" -c "INSERT INTO events (event_name, event_type, user_id, user_ip) VALUES ('cdc-test', 'click', 42, '10.0.0.1');"

while [ "$(clickhousectl cloud service query --id "$CH_ID" \
  --query "SELECT count() FROM public_events")" != "1000001" ]; do
  sleep 10
done

CH_HOST=$(clickhousectl cloud service get "$CH_ID" --json \
  | jq -r '.endpoints[] | select(.protocol=="https") | .host')

psql "$PG_URL" <<SQL
CREATE EXTENSION pg_clickhouse;
CREATE SERVER ch FOREIGN DATA WRAPPER clickhouse_fdw
       OPTIONS(driver 'http', host '$CH_HOST', dbname 'default', port '8443');
CREATE USER MAPPING FOR CURRENT_USER SERVER ch
       OPTIONS (user 'default', password '$CH_PASSWORD');
CREATE SCHEMA organization;
IMPORT FOREIGN SCHEMA "default" FROM SERVER ch INTO organization;
SQL

clickhousectl cloud clickpipe delete "$CH_ID" "$PIPE_ID"
clickhousectl cloud postgres delete "$PG_ID"

clickhousectl cloud service stop "$CH_ID"

while [ "$(clickhousectl cloud service get "$CH_ID" --json | jq -r .state)" != "stopped" ]; do
  sleep 10
done

clickhousectl cloud service delete "$CH_ID"