Re: Domains and Indexes

[ Sorry for previous message saying it was added to queue.]

Patch applied.  Thanks.

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Rod Taylor wrote:
> Appears there is a problem finding the opclass when indexing a domain.
> 
> CREATE DOMAIN newint as int4;
> CREATE TABLE tab (col newint unique);
> ERROR:  data type newint has no default operator class for access method
> "btree"
>     You must specify an operator class for the index or define a
>     default operator class for the data type
> 
> 
> Specifically, GetDefaultOpClass() finds 0 exact matches and 3 binary
> compatible matches.  Fetching getBaseType() of the attribute fixes the
> problem for domains (see attachment).
> 
> However, I have to wonder why GetDefaultOpClass doesn't simply use the
> first Binary Compatible opclass.  When there is more than one usable it
> doesn't do anything useful.
> 
> 

[ Attachment, skipping... ]

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