PL/pgSQL language reference - Amazon Redshift
Services or capabilities described in AWS documentation might vary by Region. To see the differences applicable to the AWS European Sovereign Cloud Region, see the AWS European Sovereign Cloud User Guide.

Amazon Redshift will no longer support the creation of new Python UDFs starting Patch 198. Existing Python UDFs will continue to function until June 30, 2026. For more information, see the blog post .

PL/pgSQL language reference

Stored procedures in Amazon Redshift are based on the PostgreSQL PL/pgSQL procedural language, with some important differences. In this reference, you can find details of PL/pgSQL syntax as implemented by Amazon Redshift. For more information about PL/pgSQL, see PL/pgSQL - SQL procedural language in the PostgreSQL documentation.

Topics