PostgreSQL的注释嵌套的例子

pgsql=# -- Multiline comments
pgsql=# SELECT 'Multi' /* This comment extends across
pgsql*#                 * numberous lines, and can be
pgsql*#                 * /*nested safely */
pgsql*#                   Can you understand
pgsql*#                 * Now the end*/
pgsql-#            || '-test' AS example;
  example
------------
 Multi-test
(1 row)

pgsql=#