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The Cognite PostgreSQL gateway APIs let you ingest data into CDF using standard PostgreSQL tools and SQL. Create gateway users with credentials for PostgreSQL clients, and manage tables that expose CDF resources. Use these APIs to connect ETL tools, SQL clients, and applications that use PostgreSQL drivers.
The PostgreSQL gateway is primarily intended for ingestion. You can run a simple filtered read in a SQL client to verify ingested data. Aggregations, joins, and ORDER BY on fields the CDF API doesn’t support sorting on aren’t pushed down and can trigger a full table scan. Don’t connect business intelligence tools to the gateway. For BI or aggregation-heavy queries, use Transformations to materialize data, then query that result. Don’t query the materialized data through the PostgreSQL gateway. See Limitations and how the PostgreSQL gateway works.

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Last modified on September 18, 2026