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+Test data:
+
+ begin;
+ drop table x;
+ create table x(id integer not null primary key, value integer default random() * 1000);
+ insert into x(id) select * from generate_series(1, 100);
+ commit;
+
+Execution:
+
+ rollback;
+ begin;
+ select id from (select id from x order by value limit 10) as rows where pg_try_advisory_xact_lock(id);
+