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Data warehouse ⇄ ERP

ClickHouse to SAP integration — real-time, two-way sync

Keep ClickHouse and SAP in sync without custom scripts. Cut weeks of integration work, eliminate silent data drift, and give your team a single, reliable source of truth.

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Adopted by fast-scaling companies moving mission-critical data in real time

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Why teams connect ClickHouse and SAP

Put SAP's records in ClickHouse as live tables for reporting and analysis, without extract jobs, and write results back where SAP can use them.

ERP data is some of the most asked-for data in the warehouse and some of the hardest to get: the record types are many, the APIs are strict, and extract jobs are brittle. Whether SAP carries financials, operations, workforce data, or all three, the analysis belongs in ClickHouse next to everything else the company measures.

Stacksync syncs GL Accounts and Journal Entries, Production Orders, Inventory / Stock, Cost Centers from SAP into tables in ClickHouse continuously, managing API limits and schema drift along the way. The connection is bi-directional, so values computed in ClickHouse can be written back to fields in SAP where that is useful.

Common use cases

  • Consolidate logs and business records from multiple sources into MergeTree tables for retention and reporting.
  • Land product event data alongside synced CRM accounts so analysts join usage and revenue in one place.
  • Expose sales order and delivery status to customer portals through a synced Postgres database instead of direct SAP access.
  • Publish plant-level inventory to e-commerce and planning systems on change or on schedule.

Group reporting across systems

Combine SAP's records with data synced from other systems in ClickHouse for consolidated views no single system can produce.

Write-back where SAP exposes writable fields

Classifications or reference values computed in ClickHouse sync back onto the corresponding records in SAP.

Where SAP holds the books: finance reporting from live data

Financial records land in ClickHouse as they change, so period-end reporting queries current numbers rather than last night's extract.

What you can sync between ClickHouse and SAP

Representative objects on each side — any object or custom field can map to any target. Schemas are auto-detected; types are converted between the two systems.

ClickHouse objects SAP objects
Views Saved queries used as curated, read-only sync sources. Sales Orders Order documents written from external channels and read for status and fulfillment.
Materialized views Insert-time transformations that reshape incoming synced rows into aggregates. Purchase Orders Procurement documents synced with supplier portals and spend tools.
Distributed tables Query-routing tables over cluster shards in self-managed deployments. Outbound Deliveries Shipment documents synced to WMS, carriers, and customer portals.
Dictionaries In-memory lookup structures refreshed from external sources, sometimes fed by syncs. Billing Documents Invoices read for AR status and replicated for revenue reporting.
Tables (MergeTree family) Columnar, append-optimized tables that serve as the destination for high-volume sync loads. GL Accounts and Journal Entries Financial postings replicated to warehouses for group finance analytics.
Databases Namespaces that group tables and scope permissions for sync users. Production Orders Manufacturing orders exchanged with MES and scheduling systems.
What ships with ClickHouse ⇄ SAP

Connect ClickHouse and SAP for flexible, real-time data sync.

Real-time sync, workflow automation, event queues, EDI, and monitoring, for every ClickHouse–SAP connection.

Real-time

Two-way sync

Changes in ClickHouse or SAP instantly reflect in both systems. No stale data, no manual imports.

No-code + pro-code

Workflow automation

Trigger automated workflows whenever ClickHouse or SAP data changes, update records, fire webhooks, or kick off sequences without brittle API scripts.

At scale

Event queues

Handle millions of events per minute without losing a single ClickHouse or SAP record.

Observability

Monitoring

Track your ClickHouse ⇄ SAP sync health, view errors, and replay failed events in one click.

Trading partners

EDI

Transform legacy EDI complexity into simple database interactions between ClickHouse and SAP.

How the ClickHouse and SAP connectors work

ClickHouse

Integration surface
Native TCP protocol and HTTP interface; standard SQL dialect, with MySQL and PostgreSQL wire compatibility available
Authentication
Database credentials (username/password); ClickHouse Cloud issues per-service credentials over TLS
Change detection
No log-based CDC for consumers; incremental reads use polling on monotonic columns, and ClickHouse is usually the destination rather than the source
Capabilities
read · write

SAP

Integration surface
OData (v2/v4) APIs on S/4HANA; BAPI/RFC and IDoc on ECC and on-prem systems; SOAP services
Authentication
OAuth 2.0 or basic auth via communication arrangements on cloud editions; SAP user credentials for RFC on-prem
Change detection
Business events via SAP Event Mesh on S/4HANA; change pointers with IDocs or timestamp polling on ECC
Capabilities
read · write · webhooks
Rate limits
Throttling is configured at the gateway and tenant level rather than as a single published rate limit
How it works

How to connect ClickHouse to SAP — three steps, no code

Configure and sync within minutes, no code. Whether you sync 50k or 100M+ records, Stacksync handles the queues, infra, and plumbing. Integrations are non-invasive and need zero setup on your systems.

  1. 01

    Connect your apps

    Authenticate ClickHouse and SAP with each platform's native method — OAuth, API keys, or service accounts — plus secure options like SSH tunneling, IP whitelisting, and VPC peering.

    • OAuth 2.0
    • SSH tunnel
    • VPC peering
    ClickHouse connected
    SAP connected
    OAuth 2.0
    SSH tunnel
    SSL certificate
    VPC peering
  2. 02

    Choose tables

    Pick the ClickHouse and SAP objects to sync — Stacksync auto-detects both schemas, including custom fields where the platform exposes them. Sync to existing tables, or let Stacksync create new ones with ideal data types.

    • Standard objects
    • Custom objects
    • Auto-schema
    objects · ClickHouse ⇄ SAP
    Customers 12,480
    Sales Orders 8,213
    Invoices 5,902
    Items 1,344
  3. 03

    Map fields

    Fields map automatically even when names and types differ. Stacksync handles transformation and type casting for you, zero configuration required.

    • Auto-map
    • Type casting
    • Transforms
    ClickHouse SAP
    Company company_name text
    Email email text
    Amount amount numeric
    Created created_at timestamp
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FAQ

ClickHouse and SAP integration FAQ

SECURITY

Security teams love Stacksync

As a data company, we understand the importance of keeping your data secure. Stacksync is built with security best practices to keep your data safe at every layer, and is DPF-certified for US, EU, UK and CH data transfers.

Learn more about security
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→ SECURITY WITH BENEFITS

SSO & SCIM

Let your users access Stacksync from your centralized user management systems. Works with Okta, Azure, Google SSO and more.

Alerts

Immediately get alerted about record syncing issues over email, Slack, PagerDuty and WhatsApp. Resolve issues from a centralized dashboard with retry and revert options.

Secure connection options

Securely connects to your systems with:

OAuth 2 SSH Tunnelling SSL certificates IP Whitelisting VPN gateway VPC peering and more

Related integrations

Every pair below is a real-time, two-way sync. Search all 386 integrations available for ClickHouse and SAP.

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