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Improve error message. Per discussion

Browse Source 
http://archives.postgresql.org/pgsql-general/2006-09/msg00186.php
This commit is contained in:
Teodor Sigaev 2006-09-14 11:26:49 +00:00
parent 0ca9907ce4
commit deb66e013c
1 changed files with 9 additions and 2 deletions
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11
src/backend/access/gin/ginscan.c
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@ -8,7 +8,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/access/gin/ginscan.c,v 1.4 2006/08/03 15:22:09 tgl Exp $
* $PostgreSQL: pgsql/src/backend/access/gin/ginscan.c,v 1.5 2006/09/14 11:26:49 teodor Exp $
*-------------------------------------------------------------------------
*/
@ -127,6 +127,11 @@ newScanKey( IndexScanDesc scan ) {
so->keys = (GinScanKey) palloc( scan->numberOfKeys * sizeof(GinScanKeyData) );
if (scan->numberOfKeys < 1)
ereport(ERROR,
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
errmsg("GIN indexes do not support whole-index scans")));
for(i=0; i<scan->numberOfKeys; i++) {
Datum* entryValues;
uint32 nEntryValues;
@ -155,7 +160,9 @@ newScanKey( IndexScanDesc scan ) {
so->nkeys = nkeys;
if ( so->nkeys == 0 )
elog(ERROR, "Gin doesn't support full scan due to it's awful inefficiency");
ereport(ERROR,
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
errmsg("GIN index doesn't support search with void query")));
pgstat_count_index_scan(&scan->xs_pgstat_info);
}