Adding COLLATION in postgres

Question

I am migrating data from SQL Server to Postgres. Since Postgres is case-sensitive, I am trying to add case-insensitive COLLATION but it is failing with the below error -

ERROR: could not create locale "en-u-ks-primary": No such file or directory DETAIL: The operating system could not find any locale data for the locale name "en-u-ks-primary". SQL state: 22023

CREATE COLLATION main.case_insensitive_collation (LC_COLLATE = 'en-u-ks-primary',
        LC_CTYPE = 'en-u-ks-primary'
        PROVIDER = icu,
        DETERMINISTIC = False
    );

Checked the version of postgres -

SELECT version();

"PostgreSQL 12.5 on x86_64-pc-linux-gnu, compiled by gcc (Debian 8.3.0-6) 8.3.0, 64-bit"

Any idea on how can I fix this or get this working ?

Thanks in advance,

Neha

Seems to be a Debian problem. works fine with red hat

user330315
– user330315

2023-02-01 09:21:58 +00:00
Commented Feb 1, 2023 at 9:21 — user330315
– user330315, Commented Feb 1, 2023 at 9:21

Laurenz Albe · Accepted Answer · 2023-02-01 09:37:02Z

0

Your collation definition is wrong. It should be something like

CREATE COLLATION english_ci (
   PROVIDER = icu,
   LOCALE = 'en-u-ks-level2',
   DETERMINISTIC = FALSE
);

Here is an article that has some information about that.

answered Feb 1, 2023 at 9:37

Laurenz Albe

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