Hi pá 13. 12. 2019 v 9:57 odesílatel Daulat Ram <daulat....@exponential.com> napsal:
> Hi, > > How we can change the Collate & Ctype from “c” to “C.UTF-8” on > existing production database. > > SELECT datcollate FROM pg_database WHERE datname='wwkidbt'; > > datcollate > > ------------ > > C > > postgres=# select version(); > > version > > > ---------------------------------------------------------------------------------------------------------- > > > PostgreSQL 9.5.6 on x86_64-pc-linux-gnu, compiled by gcc (Ubuntu > 5.3.1-14ubuntu2) 5.3.1 20160413, 64-bit > > There is not any official setup how to doit other than just pg_dump and load. > > > Please advice about the below method: > > update pg_database set datcollate='C.UTF-8', datctype='C.UTF-8' where > datname='wwkidbt'; > > Is there any impact on data/corruption if we do via update command ? > sure - almost all your indexes will be broken. Direct update of system tables is usually really bad idea. Regards Pavel > Thanks, > > Daulat > > > > > > > > >