تعدد المستأجرين

--- Create table events. Using tenant_id as part of the primary key
CREATE TABLE events
(
    tenant_id UInt32,                 -- Tenant identifier
    id UUID,                    -- Unique event ID
    type LowCardinality(String), -- Type of event
    timestamp DateTime,          -- Timestamp of the event
    user_id UInt32,               -- ID of the user who triggered the event
    data String,                 -- Event data
)
ORDER BY (tenant_id, timestamp)

-- Insert some dummy rows
INSERT INTO events (tenant_id, id, type, timestamp, user_id, data)
VALUES
(1, '7b7e0439-99d0-4590-a4f7-1cfea1e192d1', 'user_login', '2025-03-19 08:00:00', 1001, '{"device": "desktop", "location": "LA"}'),
(1, '846aa71f-f631-47b4-8429-ee8af87b4182', 'purchase', '2025-03-19 08:05:00', 1002, '{"item": "phone", "amount": 799}'),
(1, '6b4d12e4-447d-4398-b3fa-1c1e94d71a2f', 'user_logout', '2025-03-19 08:10:00', 1001, '{"device": "desktop", "location": "LA"}'),
(2, '7162f8ea-8bfd-486a-a45e-edfc3398ca93', 'user_login', '2025-03-19 08:12:00', 2001, '{"device": "mobile", "location": "SF"}'),
(2, '6b5f3e55-5add-479e-b89d-762aa017f067', 'purchase', '2025-03-19 08:15:00', 2002, '{"item": "headphones", "amount": 199}'),
(2, '43ad35a1-926c-4543-a133-8672ddd504bf', 'user_logout', '2025-03-19 08:20:00', 2001, '{"device": "mobile", "location": "SF"}'),
(1, '83b5eb72-aba3-4038-bc52-6c08b6423615', 'purchase', '2025-03-19 08:45:00', 1003, '{"item": "monitor", "amount": 450}'),
(1, '975fb0c8-55bd-4df4-843b-34f5cfeed0a9', 'user_login', '2025-03-19 08:50:00', 1004, '{"device": "desktop", "location": "LA"}'),
(2, 'f50aa430-4898-43d0-9d82-41e7397ba9b8', 'purchase', '2025-03-19 08:55:00', 2003, '{"item": "laptop", "amount": 1200}'),
(2, '5c150ceb-b869-4ebb-843d-ab42d3cb5410', 'user_login', '2025-03-19 09:00:00', 2004, '{"device": "mobile", "location": "SF"}'),

-- Create users 
CREATE USER user_1 IDENTIFIED BY '<password>'
CREATE USER user_2 IDENTIFIED BY '<password>'

-- Create row policies
CREATE ROW POLICY user_filter_1 ON default.events USING tenant_id=1 TO user_1
CREATE ROW POLICY user_filter_2 ON default.events USING tenant_id=2 TO user_2

-- Create role
CREATE ROLE user_role

-- Grant read only to events table.
GRANT SELECT ON default.events TO user_role
GRANT user_role TO user_1
GRANT user_role TO user_2

-- Logged as user_1
SELECT *
FROM events

   ┌─tenant_id─┬─id───────────────────────────────────┬─type────────┬───────────timestamp─┬─user_id─┬─data────────────────────────────────────┐
1. │         1 │ 7b7e0439-99d0-4590-a4f7-1cfea1e192d1 │ user_login  │ 2025-03-19 08:00:00 │    1001 │ {"device": "desktop", "location": "LA"} │
2. │         1 │ 846aa71f-f631-47b4-8429-ee8af87b4182 │ purchase    │ 2025-03-19 08:05:00 │    1002 │ {"item": "phone", "amount": 799}        │
3. │         1 │ 6b4d12e4-447d-4398-b3fa-1c1e94d71a2f │ user_logout │ 2025-03-19 08:10:00 │    1001 │ {"device": "desktop", "location": "LA"} │
4. │         1 │ 83b5eb72-aba3-4038-bc52-6c08b6423615 │ purchase    │ 2025-03-19 08:45:00 │    1003 │ {"item": "monitor", "amount": 450}      │
5. │         1 │ 975fb0c8-55bd-4df4-843b-34f5cfeed0a9 │ user_login  │ 2025-03-19 08:50:00 │    1004 │ {"device": "desktop", "location": "LA"} │
   └───────────┴──────────────────────────────────────┴─────────────┴─────────────────────┴─────────┴─────────────────────────────────────────┘

-- Create table for tenant 1 
CREATE TABLE events_tenant_1
(
    id UUID,                    -- Unique event ID
    type LowCardinality(String), -- Type of event
    timestamp DateTime,          -- Timestamp of the event
    user_id UInt32,               -- ID of the user who triggered the event
    data String,                 -- Event data
)
ORDER BY (timestamp, user_id) -- Primary key can focus on other attributes

-- Create table for tenant 2 
CREATE TABLE events_tenant_2
(
    id UUID,                    -- Unique event ID
    type LowCardinality(String), -- Type of event
    timestamp DateTime,          -- Timestamp of the event
    user_id UInt32,               -- ID of the user who triggered the event
    data String,                 -- Event data
)
ORDER BY (timestamp, user_id) -- Primary key can focus on other attributes

INSERT INTO events_tenant_1 (id, type, timestamp, user_id, data)
VALUES
('7b7e0439-99d0-4590-a4f7-1cfea1e192d1', 'user_login', '2025-03-19 08:00:00', 1001, '{"device": "desktop", "location": "LA"}'),
('846aa71f-f631-47b4-8429-ee8af87b4182', 'purchase', '2025-03-19 08:05:00', 1002, '{"item": "phone", "amount": 799}'),
('6b4d12e4-447d-4398-b3fa-1c1e94d71a2f', 'user_logout', '2025-03-19 08:10:00', 1001, '{"device": "desktop", "location": "LA"}'),
('83b5eb72-aba3-4038-bc52-6c08b6423615', 'purchase', '2025-03-19 08:45:00', 1003, '{"item": "monitor", "amount": 450}'),
('975fb0c8-55bd-4df4-843b-34f5cfeed0a9', 'user_login', '2025-03-19 08:50:00', 1004, '{"device": "desktop", "location": "LA"}')

INSERT INTO events_tenant_2 (id, type, timestamp, user_id, data)
VALUES
('7162f8ea-8bfd-486a-a45e-edfc3398ca93', 'user_login', '2025-03-19 08:12:00', 2001, '{"device": "mobile", "location": "SF"}'),
('6b5f3e55-5add-479e-b89d-762aa017f067', 'purchase', '2025-03-19 08:15:00', 2002, '{"item": "headphones", "amount": 199}'),
('43ad35a1-926c-4543-a133-8672ddd504bf', 'user_logout', '2025-03-19 08:20:00', 2001, '{"device": "mobile", "location": "SF"}'),
('f50aa430-4898-43d0-9d82-41e7397ba9b8', 'purchase', '2025-03-19 08:55:00', 2003, '{"item": "laptop", "amount": 1200}'),
('5c150ceb-b869-4ebb-843d-ab42d3cb5410', 'user_login', '2025-03-19 09:00:00', 2004, '{"device": "mobile", "location": "SF"}')

-- Create users 
CREATE USER user_1 IDENTIFIED BY '<password>'
CREATE USER user_2 IDENTIFIED BY '<password>'

-- Grant read only to events table.
GRANT SELECT ON default.events_tenant_1 TO user_1
GRANT SELECT ON default.events_tenant_2 TO user_2

-- Logged as user_1
SELECT *
FROM default.events_tenant_1

   ┌─id───────────────────────────────────┬─type────────┬───────────timestamp─┬─user_id─┬─data────────────────────────────────────┐
1. │ 7b7e0439-99d0-4590-a4f7-1cfea1e192d1 │ user_login  │ 2025-03-19 08:00:00 │    1001 │ {"device": "desktop", "location": "LA"} │
2. │ 846aa71f-f631-47b4-8429-ee8af87b4182 │ purchase    │ 2025-03-19 08:05:00 │    1002 │ {"item": "phone", "amount": 799}        │
3. │ 6b4d12e4-447d-4398-b3fa-1c1e94d71a2f │ user_logout │ 2025-03-19 08:10:00 │    1001 │ {"device": "desktop", "location": "LA"} │
4. │ 83b5eb72-aba3-4038-bc52-6c08b6423615 │ purchase    │ 2025-03-19 08:45:00 │    1003 │ {"item": "monitor", "amount": 450}      │
5. │ 975fb0c8-55bd-4df4-843b-34f5cfeed0a9 │ user_login  │ 2025-03-19 08:50:00 │    1004 │ {"device": "desktop", "location": "LA"} │
   └──────────────────────────────────────┴─────────────┴─────────────────────┴─────────┴─────────────────────────────────────────┘

-- Create database for tenant_1
CREATE DATABASE tenant_1;

-- Create database for tenant_2
CREATE DATABASE tenant_2;

-- Create table for tenant_1
CREATE TABLE tenant_1.events
(
    id UUID,                    -- Unique event ID
    type LowCardinality(String), -- Type of event
    timestamp DateTime,          -- Timestamp of the event
    user_id UInt32,               -- ID of the user who triggered the event
    data String,                 -- Event data
)
ORDER BY (timestamp, user_id);

-- Create table for tenant_2
CREATE TABLE tenant_2.events
(
    id UUID,                    -- Unique event ID
    type LowCardinality(String), -- Type of event
    timestamp DateTime,          -- Timestamp of the event
    user_id UInt32,               -- ID of the user who triggered the event
    data String,                 -- Event data
)
ORDER BY (timestamp, user_id);

INSERT INTO tenant_1.events (id, type, timestamp, user_id, data)
VALUES
('7b7e0439-99d0-4590-a4f7-1cfea1e192d1', 'user_login', '2025-03-19 08:00:00', 1001, '{"device": "desktop", "location": "LA"}'),
('846aa71f-f631-47b4-8429-ee8af87b4182', 'purchase', '2025-03-19 08:05:00', 1002, '{"item": "phone", "amount": 799}'),
('6b4d12e4-447d-4398-b3fa-1c1e94d71a2f', 'user_logout', '2025-03-19 08:10:00', 1001, '{"device": "desktop", "location": "LA"}'),
('83b5eb72-aba3-4038-bc52-6c08b6423615', 'purchase', '2025-03-19 08:45:00', 1003, '{"item": "monitor", "amount": 450}'),
('975fb0c8-55bd-4df4-843b-34f5cfeed0a9', 'user_login', '2025-03-19 08:50:00', 1004, '{"device": "desktop", "location": "LA"}')

INSERT INTO tenant_2.events (id, type, timestamp, user_id, data)
VALUES
('7162f8ea-8bfd-486a-a45e-edfc3398ca93', 'user_login', '2025-03-19 08:12:00', 2001, '{"device": "mobile", "location": "SF"}'),
('6b5f3e55-5add-479e-b89d-762aa017f067', 'purchase', '2025-03-19 08:15:00', 2002, '{"item": "headphones", "amount": 199}'),
('43ad35a1-926c-4543-a133-8672ddd504bf', 'user_logout', '2025-03-19 08:20:00', 2001, '{"device": "mobile", "location": "SF"}'),
('f50aa430-4898-43d0-9d82-41e7397ba9b8', 'purchase', '2025-03-19 08:55:00', 2003, '{"item": "laptop", "amount": 1200}'),
('5c150ceb-b869-4ebb-843d-ab42d3cb5410', 'user_login', '2025-03-19 09:00:00', 2004, '{"device": "mobile", "location": "SF"}')

-- Create users 
CREATE USER user_1 IDENTIFIED BY '<password>'
CREATE USER user_2 IDENTIFIED BY '<password>'

-- Grant read only to events table.
GRANT SELECT ON tenant_1.events TO user_1
GRANT SELECT ON tenant_2.events TO user_2

-- Logged as user_1
SELECT *
FROM tenant_1.events

   ┌─id───────────────────────────────────┬─type────────┬───────────timestamp─┬─user_id─┬─data────────────────────────────────────┐
1. │ 7b7e0439-99d0-4590-a4f7-1cfea1e192d1 │ user_login  │ 2025-03-19 08:00:00 │    1001 │ {"device": "desktop", "location": "LA"} │
2. │ 846aa71f-f631-47b4-8429-ee8af87b4182 │ purchase    │ 2025-03-19 08:05:00 │    1002 │ {"item": "phone", "amount": 799}        │
3. │ 6b4d12e4-447d-4398-b3fa-1c1e94d71a2f │ user_logout │ 2025-03-19 08:10:00 │    1001 │ {"device": "desktop", "location": "LA"} │
4. │ 83b5eb72-aba3-4038-bc52-6c08b6423615 │ purchase    │ 2025-03-19 08:45:00 │    1003 │ {"item": "monitor", "amount": 450}      │
5. │ 975fb0c8-55bd-4df4-843b-34f5cfeed0a9 │ user_login  │ 2025-03-19 08:50:00 │    1004 │ {"device": "desktop", "location": "LA"} │
   └──────────────────────────────────────┴─────────────┴─────────────────────┴─────────┴─────────────────────────────────────────┘

-- Create table for tenant_1
CREATE TABLE events
(
    id UUID,                    -- Unique event ID
    type LowCardinality(String), -- Type of event
    timestamp DateTime,          -- Timestamp of the event
    user_id UInt32,               -- ID of the user who triggered the event
    data String,                 -- Event data
)
ORDER BY (timestamp, user_id);

INSERT INTO events (id, type, timestamp, user_id, data)
VALUES
('7b7e0439-99d0-4590-a4f7-1cfea1e192d1', 'user_login', '2025-03-19 08:00:00', 1001, '{"device": "desktop", "location": "LA"}'),
('846aa71f-f631-47b4-8429-ee8af87b4182', 'purchase', '2025-03-19 08:05:00', 1002, '{"item": "phone", "amount": 799}'),
('6b4d12e4-447d-4398-b3fa-1c1e94d71a2f', 'user_logout', '2025-03-19 08:10:00', 1001, '{"device": "desktop", "location": "LA"}'),
('83b5eb72-aba3-4038-bc52-6c08b6423615', 'purchase', '2025-03-19 08:45:00', 1003, '{"item": "monitor", "amount": 450}'),
('975fb0c8-55bd-4df4-843b-34f5cfeed0a9', 'user_login', '2025-03-19 08:50:00', 1004, '{"device": "desktop", "location": "LA"}')

-- Create users 
CREATE USER user_1 IDENTIFIED BY '<password>'

-- Grant read only to events table.
GRANT SELECT ON events TO user_1

-- Logged as user_1
SELECT *
FROM events

   ┌─id───────────────────────────────────┬─type────────┬───────────timestamp─┬─user_id─┬─data────────────────────────────────────┐
1. │ 7b7e0439-99d0-4590-a4f7-1cfea1e192d1 │ user_login  │ 2025-03-19 08:00:00 │    1001 │ {"device": "desktop", "location": "LA"} │
2. │ 846aa71f-f631-47b4-8429-ee8af87b4182 │ purchase    │ 2025-03-19 08:05:00 │    1002 │ {"item": "phone", "amount": 799}        │
3. │ 6b4d12e4-447d-4398-b3fa-1c1e94d71a2f │ user_logout │ 2025-03-19 08:10:00 │    1001 │ {"device": "desktop", "location": "LA"} │
4. │ 83b5eb72-aba3-4038-bc52-6c08b6423615 │ purchase    │ 2025-03-19 08:45:00 │    1003 │ {"item": "monitor", "amount": 450}      │
5. │ 975fb0c8-55bd-4df4-843b-34f5cfeed0a9 │ user_login  │ 2025-03-19 08:50:00 │    1004 │ {"device": "desktop", "location": "LA"} │
   └──────────────────────────────────────┴─────────────┴─────────────────────┴─────────┴─────────────────────────────────────────┘