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 ](https://amazonaws-china.com/blogs/big-data/amazon-redshift-python-user-defined-functions-will-reach-end-of-support-after-june-30-2026/). 

# SVV\$1MASKING\$1POLICY
<a name="r_SVV_MASKING_POLICY"></a>

Use SVV\$1MASKING\$1POLICY to view all masking policies created on the cluster.

Only superusers and users with the [https://docs.amazonaws.cn/redshift/latest/dg/r_roles-default.html](https://docs.amazonaws.cn/redshift/latest/dg/r_roles-default.html) role can view SVV\$1MASKING\$1POLICY. Regular users will see 0 rows.

## Table columns
<a name="r_SVV_MASKING_POLICY-table-columns"></a>

[\[See the AWS documentation website for more details\]](http://docs.amazonaws.cn/en_us/redshift/latest/dg/r_SVV_MASKING_POLICY.html)