You can use the version query function HG_VERSION to obtain the version of your Hologres instance. This topic describes how to use the HG_VERSION function in Hologres.
Limits
The HG_VERSION function is supported only in Hologres V0.10 and later.
HG_VERSION
Syntax:
The HG_VERSION function uses the following syntax:
HG_VERSION()Return value:
The information, such as the version of the current Hologres instance, the version of PostgreSQL that is compatible with Hologres, the current operating system, and the compiler, is returned.
Example:
SELECT HG_VERSION();The following result is returned. The result shows that the instance version is 0.9.29, the version of PostgreSQL is 11.3, and the current operating system is a Linux 64-bit operating system.
hg_version ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Hologres 0.9.29 (tag: 0.9.29 build: Release,Skylake,clang), compatible with PostgreSQL 11.3 (Release-build@1b725dxxxx on origin/ralease-0.9.x) on x86_64-pcplinux-gnu, compiled by clang version 8.0.1 (Alibaba 8.0.1-14.alios7),64-bit (1 row)