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