Mutable functions, such as date-time functions, RANDOM and non-STABLE user-defined functions. For limitations regarding incremental refresh for zero-ETL ...

A mutable function returns a different result when given the same argument or arguments. For instance, most functions that return a date or timestamp are ...

19 нояб. 2020 г. · I have also used SYSDATE, GETDATE(), NOW() instead of CURRENT_DATE as well. but everything is mutable function it seems. it is throwing an error ... Unable to create auto refresh view with Epoch date conversion to ... sql - Overhead of Redshift materialized view full REFRESH Vs ... Другие результаты с сайта stackoverflow.com

Immutable: Indicates that the function always returns the same results. · Stable: Indicates that for same arguments, the function returns same results for all ...

5 сент. 2021 г. · Mutable functions, such as date-time functions, RANDOM and non-STABLE user-defined functions. In addition, as we've seen, when a refresh is ...

25 апр. 2022 г. · Redshift materialized views simplify complex queries across multiple tables with large amounts of data. The result is significant performance improvement!

4 дня назад · Auto-refresh cannot be used if the materialized view references mutable functions, external schemas, or another materialized view. Find more ...

Unrefreshable materialized views can be caused by operations that: Rename or drop a column. Change the type of a column. Change the name of a base table or ...

30 сент. 2024 г. · In this article, we will be discussing the Redshift Functions: Scalar Python UDF and Scalar SQL UDF with examples in detail.

There are design decisions Redshift made that will make you always want to opt for bulk operations if possible. Blocks are immutable by design, this means that ...