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-rw-r--r--src/backend/statistics/mvdistinct.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/src/backend/statistics/mvdistinct.c b/src/backend/statistics/mvdistinct.c
index f67f5762360..47b2490abbf 100644
--- a/src/backend/statistics/mvdistinct.c
+++ b/src/backend/statistics/mvdistinct.c
@@ -9,7 +9,7 @@
* The multivariate ndistinct coefficients address this by storing ndistinct
* estimates for combinations of the user-specified columns. So for example
* given a statistics object on three columns (a,b,c), this module estimates
- * and store n-distinct for (a,b), (a,c), (b,c) and (a,b,c). The per-column
+ * and stores n-distinct for (a,b), (a,c), (b,c) and (a,b,c). The per-column
* estimates are already available in pg_statistic.
*
*
@@ -18,6 +18,7 @@
*
* IDENTIFICATION
* src/backend/statistics/mvdistinct.c
+ *
*-------------------------------------------------------------------------
*/
#include "postgres.h"
@@ -131,13 +132,13 @@ statext_ndistinct_load(Oid mvoid)
htup = SearchSysCache1(STATEXTOID, ObjectIdGetDatum(mvoid));
if (!htup)
- elog(ERROR, "cache lookup failed for statistics %u", mvoid);
+ elog(ERROR, "cache lookup failed for statistics object %u", mvoid);
ndist = SysCacheGetAttr(STATEXTOID, htup,
Anum_pg_statistic_ext_stxndistinct, &isnull);
if (isnull)
elog(ERROR,
- "requested statistic kind %c not yet built for statistics %u",
+ "requested statistic kind %c is not yet built for statistics object %u",
STATS_EXT_NDISTINCT, mvoid);
ReleaseSysCache(htup);