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-rw-r--r--src/include/utils/selfuncs.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/include/utils/selfuncs.h b/src/include/utils/selfuncs.h
index 78eda1b503f..bffc2d80ef0 100644
--- a/src/include/utils/selfuncs.h
+++ b/src/include/utils/selfuncs.h
@@ -74,7 +74,7 @@ typedef struct VariableStatData
Oid vartype; /* exposed type of expression */
Oid atttype; /* type to pass to get_attstatsslot */
int32 atttypmod; /* typmod to pass to get_attstatsslot */
- bool isunique; /* true if matched to a unique index */
+ bool isunique; /* matches unique index or DISTINCT clause */
} VariableStatData;
#define ReleaseVariableStats(vardata) \