From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
---|---|
To: | Tatsuo Ishii <t-ishii(at)sra(dot)co(dot)jp> |
Cc: | pgsql-hackers(at)postgresql(dot)org |
Subject: | Re: vacuum analyze fails: ERROR: Unable to locate type oid 2230924 in catalog |
Date: | 2001-02-27 03:59:33 |
Message-ID: | 27916.983246373@sss.pgh.pa.us |
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Lists: | pgsql-hackers |
Tatsuo Ishii <t-ishii(at)sra(dot)co(dot)jp> writes:
> *** parse_coerce.c.orig Sat Feb 3 20:07:53 2001
> --- parse_coerce.c Tue Feb 27 11:33:01 2001
> ***************
> *** 190,195 ****
> --- 190,201 ----
> Oid inputTypeId = input_typeids[i];
> Oid targetTypeId = func_typeids[i];
> + if (typeidIsValid(inputTypeId) == false)
> + return(false);
> +
> + if (typeidIsValid(targetTypeId) == false)
> + return(false);
> +
> /* no problem if same type */
> if (inputTypeId == targetTypeId)
> continue;
I'd suggest not arbitrarily erroring out when there is no need for
a conversion, and not doing the cache lookup implied by typeidIsValid
when it's not necessary to touch the type at all. Hence, I'd recommend
moving this down a few lines. Also, conform to the surrounding coding
style and add a comment:
/* don't know what to do for the input type? then quit... */
if (inputTypeId == InvalidOid)
return false;
+ /* don't choke on references to no-longer-existing types */
+ if (!typeidIsValid(inputTypeId))
+ return false;
+
+ if (!typeidIsValid(targetTypeId))
+ return false;
/*
* If input is an untyped string constant, assume we can convert
* it to anything except a class type.
*/
BTW, is this sufficient to prevent the VACUUM failure, or are there more
problems downstream?
regards, tom lane
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