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doc: clarify text about combining row-level policies

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Reported-by: splarv@ya.ru

Discussion: https://postgr.es/m/173045909386.700.9231055113418242392@wrigleys.postgresql.org

Backpatch-through: master
This commit is contained in:
Bruce Momjian 2024-11-18 15:34:59 -05:00
parent 18ea6b3d0d
commit cffca3665d
1 changed files with 2 additions and 1 deletions
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doc/src/sgml/ddl.sgml
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@ -2628,7 +2628,8 @@ GRANT SELECT (col1), UPDATE (col1) ON mytable TO miriam_rw;
When multiple policies apply to a given query, they are combined using When multiple policies apply to a given query, they are combined using
either <literal>OR</literal> (for permissive policies, which are the either <literal>OR</literal> (for permissive policies, which are the
default) or using <literal>AND</literal> (for restrictive policies). default) or using <literal>AND</literal> (for restrictive policies).
This is similar to the rule that a given role has the privileges The <literal>OR</literal> behavior is similar to the rule that a given
role has the privileges
of all roles that they are a member of. Permissive vs. restrictive of all roles that they are a member of. Permissive vs. restrictive
policies are discussed further below. policies are discussed further below.
</para> </para>