PostgreSQL中查看版本的几种方式
1、SQL方式
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postgres=# show server_version;
server_version
----------------
13.2
(1 row)
postgres=# select version();
version
---------------------------------------------------------------------------------------------------------
PostgreSQL 13.2 on x86_64-pc-linux-gnu, compiled by gcc (GCC) 4.8.5 20150623 (Red Hat 4.8.5-44), 64-bit
(1 row)
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2、pg_config方式
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[pg13@mambapg ~]$ pg_config|grep VERSION
VERSION = PostgreSQL 13.2
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3、pg_controldata方式
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[pg13@mambapg ~]$ pg_controldata --version
pg_controldata (PostgreSQL) 13.2
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4、查看告警日志
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[pg13@mambapg pg_log]$ pwd
/pg13/pgdata/pg_log
[pg13@mambapg pg_log]$ more postgresql-Mon.log|grep "LOG: starting PostgreSQL"
2021-04-26 17:06:52.654 CST [10990] LOG: starting PostgreSQL 13.2 on x86_64-pc-linux-gnu, compiled by gcc (GCC) 4.8.5 20150623 (Red Hat 4.8.5-44), 64-bit
2021-04-26 17:33:48.605 CST [15580] LOG: starting PostgreSQL 13.2 on x86_64-pc-linux-gnu, compiled by gcc (GCC) 4.8.5 20150623 (Red Hat 4.8.5-44), 64-bit
2021-04-26 17:36:32.401 CST [15968] LOG: starting PostgreSQL 13.2 on x86_64-pc-linux-gnu, compiled by gcc (GCC) 4.8.5 20150623 (Red Hat 4.8.5-44), 64-bit
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5、postgres方式
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[pg13@mambapg pg_log]$ postgres --version
postgres (PostgreSQL) 13.2
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转自：
http://www.zyiz.net/tech/detail-273823.html