摘要:
create or replace function random_string(integer)returns text as$body$ select array_to_string(array(select substring('0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz' FROM (ceil... 阅读全文
posted @ 2016-01-19 08:30
拿走不谢
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