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Include hash table name in all the internal-error elog messages in 

dynahash.c.  Sergey Koposov's current open problem shows the possible
usefulness of this, and it doesn't add much code.
This commit is contained in:
Tom Lane 2007-09-11 16:17:46 +00:00
parent 476045a21b
commit 5cf785a4de
1 changed files with 9 additions and 6 deletions
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15
src/backend/utils/hash/dynahash.c
View File

@ -26,7 +26,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/utils/hash/dynahash.c,v 1.75 2007/04/26 23:24:44 tgl Exp $
* $PostgreSQL: pgsql/src/backend/utils/hash/dynahash.c,v 1.76 2007/09/11 16:17:46 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -416,7 +416,7 @@ hash_create(const char *tabname, long nelem, HASHCTL *info, int flags)
/* Build the hash directory structure */
if (!init_htab(hashp, nelem))
elog(ERROR, "failed to initialize hash table");
elog(ERROR, "failed to initialize hash table \"%s\"", hashp->tabname);
/*
* For a shared hash table, preallocate the requested number of elements.
@ -909,7 +909,8 @@ hash_search_with_hash_value(HTAB *hashp,
/* disallow inserts if frozen */
if (hashp->frozen)
elog(ERROR, "cannot insert into a frozen hashtable");
elog(ERROR, "cannot insert into frozen hashtable \"%s\"",
hashp->tabname);
currBucket = get_hash_entry(hashp);
if (currBucket == NULL)
@ -1154,9 +1155,10 @@ void
hash_freeze(HTAB *hashp)
{
if (hashp->isshared)
elog(ERROR, "cannot freeze shared hashtable");
elog(ERROR, "cannot freeze shared hashtable \"%s\"", hashp->tabname);
if (!hashp->frozen && has_seq_scans(hashp))
elog(ERROR, "cannot freeze hashtable with active scans");
elog(ERROR, "cannot freeze hashtable \"%s\" because it has active scans",
hashp->tabname);
hashp->frozen = true;
}
@ -1432,7 +1434,8 @@ static void
register_seq_scan(HTAB *hashp)
{
if (num_seq_scans >= MAX_SEQ_SCANS)
elog(ERROR, "too many active hash_seq_search scans");
elog(ERROR, "too many active hash_seq_search scans, cannot start one on \"%s\"",
hashp->tabname);
seq_scan_tables[num_seq_scans] = hashp;
seq_scan_level[num_seq_scans] = GetCurrentTransactionNestLevel();
num_seq_scans++;