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Add more infinite recursion detection while locking a view.

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Also add regression test cases for detecting infinite recursion in
locking view tests.  Some document enhancements. Patch by Yugo Nagata.
This commit is contained in:
Tatsuo Ishii
2018-04-17 16:59:17 +09:00
parent 47c91b5599
commit 03030512d1
4 changed files with 63 additions and 31 deletions
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11
doc/src/sgml/ref/lock.sgml
View File

@ -46,8 +46,8 @@ LOCK [ TABLE ] [ ONLY ] <replaceable class="parameter">name</replaceable> [ * ]
</para>
<para>
When a view is specified to be locked, all relations appearing in the view
definition query are also locked recursively with the same lock mode.
When a view is locked, all relations appearing in the view definition
query are also locked recursively with the same lock mode.
</para>
<para>
@ -173,6 +173,13 @@ LOCK [ TABLE ] [ ONLY ] <replaceable class="parameter">name</replaceable> [ * ]
or <literal>TRUNCATE</literal> privileges.
</para>
<para>
The user performing the lock on the view must have the corresponding privilege
on the view. In addition the view's owner must have the relevant privileges on
the underlying base relations, but the user performing the lock does
not need any permissions on the underlying base relations.
</para>
<para>
<command>LOCK TABLE</command> is useless outside a transaction block: the lock
would remain held only to the completion of the statement. Therefore