The data directory was initialized by PostgreSQL version 9.6, which is not compatible with this version 10.0.

在PostgreSQL9.6.5 安装 Postgis2.4.2 出现错误
The data directory was initialized by PostgreSQL version 9.6, which is not compatible with this version 10.0.
post2.4.2 需要PostgreSQL10 以上
如果 运行 brew services start postgresql 服务还在
也可以 brew services stop postgresql
但是进入不了psql -u xxx -d xxx 进不了数据库
解决：
brew switch postgres 9.6.5

The data directory was initialized by PostgreSQL version 9.6, which is not compatible with this version 10.0.

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