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-rw-r--r--src/backend/utils/adt/selfuncs.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/backend/utils/adt/selfuncs.c b/src/backend/utils/adt/selfuncs.c
index 234fb665806..69e0fb98f5b 100644
--- a/src/backend/utils/adt/selfuncs.c
+++ b/src/backend/utils/adt/selfuncs.c
@@ -7835,7 +7835,7 @@ brincostestimate(PlannerInfo *root, IndexPath *path, double loop_count,
double varCorrelation = 0.0;
if (sslot.nnumbers > 0)
- varCorrelation = Abs(sslot.numbers[0]);
+ varCorrelation = fabs(sslot.numbers[0]);
if (varCorrelation > *indexCorrelation)
*indexCorrelation = varCorrelation;