在PostgreSQL中,选择新数据库集群使用的语言环境(locale)是一个重要的配置步骤,它会影响数据库中的字符编码、排序规则以及日期时间格式等。以下是关于如何设置PostgreSQL新数据库集群语言环境的详细步骤: 了解Locale的概念: Locale定义了程序运行时的语言环境,包括字符编码、日期时间格式、货币符号等。 在PostgreSQL中,Loca...
/* * set_pglocale_pgservice * * Set application-specific locale and service directory * * This function takes the value of argv[0] rather than a full path. * * (You may be wondering why this is in exec.c. It requires this module's * services and doesn't introduce any new depend...
The solution to this problem, it turns out, was to dump the database, shut down PostgreSQL, move the old data directory, and create a new one withinitdb -locale=C. I then restored the database, and suddenly=andLIKE(and the unique index) were doing the same thing. Hallelujah! Naturally...
CREATEORREPLACEFUNCTIONnspname.myfunc(arg1_TEXT, arg2_INTEGER)RETURNSVOIDLANGUAGESQLSTABLEPARALLELSAFEROWS1RETURNSNULLONNULLINPUTAS$function$SELECT1;$function$; 使用合理的Locale选项 默认使用en_US.UTF8,没有特殊理由不得更改。 默认的collate规则必须为C,避免字符串索引问题。 https://mp.weixin.qq.com/s/...