Azure Table Storage to ClickHouse Integration
AI-first ETL from Azure Table Storage into ClickHouse. Governed entities, incremental sync, typed landing tables.
How Datrise loads Azure Table Storage into ClickHouse
Datrise syncs Azure Table Storage's tables, entities, partition keys, row keys, properties, and timestamps into ClickHouse as a MergeTree table per source entity. Flexible or custom fields land in JSON or Map columns, and timestamps such as created, updated, and status changes are typed as DateTime64.
Sync is incremental: Datrise uses inserts into a ReplacingMergeTree keyed on stable id, so the latest version wins on merge, so re-runs update only what changed. Partition by month and order by (entity id, updated-at) for fast range scans. ClickHouse deduplicates asynchronously on merge, so Datrise uses ReplacingMergeTree and FINAL-safe queries rather than assuming immediate upserts.
Ideal for high-volume event analytics that need sub-second aggregation.
Endpoints
Azure Table Storage: Key-value NoSQL store on Azure.
ClickHouse: Columnar OLAP engine for fast aggregations.
How Azure Table Storage entities map to ClickHouse
| Azure Table Storage entity | ClickHouse object | Notes |
|---|---|---|
| tables | azure_table_storage_tables | id PK · custom fields → JSON or Map columns |
| entities | azure_table_storage_entities | id PK · linked to azure_table_storage_tables |
| partition keys | azure_table_storage_partition_keys | id PK · linked to azure_table_storage_tables |
| row keys | azure_table_storage_row_keys | id PK · linked to azure_table_storage_tables |
FAQ
How does Datrise handle Azure Table Storage's custom fields in ClickHouse?
Flexible values are stored as JSON or Map columns, so new fields don't require a migration; strongly-typed fields — dates, numbers, and references — are promoted to native ClickHouse types.
How does the Azure Table Storage to ClickHouse sync stay up to date?
It runs incrementally — Datrise uses inserts into a ReplacingMergeTree keyed on stable id, so the latest version wins on merge.
Related pipelines
More destinations for Azure Table Storage
- Azure Table Storage → DuckDB
- Azure Table Storage → Amazon Athena
- Azure Table Storage → Amazon S3 Data Lake
- Azure Table Storage → Azure Data Lake Storage
- Azure Table Storage → Azure Synapse
- Azure Table Storage → Spreadsheets
- Azure Table Storage → Airtable
- Azure Table Storage → CSV Files
- Azure Table Storage → MongoDB
- Azure Table Storage → Supabase
- Azure Table Storage → Neon
- Azure Table Storage → PlanetScale
More sources for ClickHouse
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