Re: ERROR: operator class "gin__int_ops" does not exist for accessmethod "gin" - Mailing list pgsql-general

From Adrian Klaver
Subject Re: ERROR: operator class "gin__int_ops" does not exist for accessmethod "gin"
Date
Msg-id 285feb8c-779f-e885-44ee-c0c603e71e45@aklaver.com
Whole thread Raw
In response to ERROR: operator class "gin__int_ops" does not exist for accessmethod "gin"  (Julie Nishimura <juliezain@hotmail.com>)
Responses Re: ERROR: operator class "gin__int_ops" does not exist for accessmethod "gin"  (Julie Nishimura <juliezain@hotmail.com>)
List pgsql-general
On 4/17/19 5:18 PM, Julie Nishimura wrote:
> We migrated some tables from 8.3 postgresql to 9.4, and when I compared 
> tables DDL between environments, I've noticed some indices are missing 
> (majority of them are using GIN
> 
> When I am taking 8.3 ddl for it:
>    CREATE INDEX serp_test2
>    ON serp_test
>    USING gin
>    (domainids gin__int_ops);
> 
> it gives me error:
> ERROR:  operator class "gin__int_ops" does not exist for access method "gin"
> 
> Is it possible to retrieve the ddl for operator class and recreate it on 
> 9.4? If not, is there any work-around?

Looks like it needs the  intarray extension:

https://www.postgresql.org/docs/8.3/intarray.html

"There is also a non-default GIN operator class gin__int_ops."

9.4:

https://www.postgresql.org/docs/9.4/intarray.html

> 
> Thank you


-- 
Adrian Klaver
adrian.klaver@aklaver.com



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