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所以我需要的是在每次运行更新时在 firebird 数据库的列中附加一个字符串,我正在尝试:
update clients set cliobs = coalesce(cliobs, '') || 'newstring' where cod = 1
我得到了 1 条记录已更新,但最终结果是:
coalesce(cliobs, ') || newstring
任何想法如何做到这一点?