From 1c526c9472f147c318f61c6b21447941c853de46 Mon Sep 17 00:00:00 2001 From: Evdokimov Ilia Date: Wed, 5 Aug 2026 10:20:35 +0300 Subject: [PATCH v1] Merge MCV match and sum loops in var_eq_cons --- src/backend/utils/adt/selfuncs.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/src/backend/utils/adt/selfuncs.c b/src/backend/utils/adt/selfuncs.c index 2b4e6acf9a7..6213510d642 100644 --- a/src/backend/utils/adt/selfuncs.c +++ b/src/backend/utils/adt/selfuncs.c @@ -413,6 +413,7 @@ var_eq_const(VariableStatData *vardata, Oid oproid, Oid collation, AttStatsSlot sslot; bool match = false; int i; + double sumcommon = 0.0; /* * Is the constant "=" to any of the column's most common values? @@ -450,6 +451,8 @@ var_eq_const(VariableStatData *vardata, Oid oproid, Oid collation, { Datum fresult; + sumcommon += sslot.numbers[i]; + if (varonleft) fcinfo->args[0].value = sslot.values[i]; else @@ -484,11 +487,8 @@ var_eq_const(VariableStatData *vardata, Oid oproid, Oid collation, * of the common values. Its selectivity cannot be more than * this: */ - double sumcommon = 0.0; double otherdistinct; - for (i = 0; i < sslot.nnumbers; i++) - sumcommon += sslot.numbers[i]; selec = 1.0 - sumcommon - nullfrac; CLAMP_PROBABILITY(selec); -- 2.34.1