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-rw-r--r--src/backend/executor/instrument.c4
-rw-r--r--src/include/executor/instrument.h2
2 files changed, 3 insertions, 3 deletions
diff --git a/src/backend/executor/instrument.c b/src/backend/executor/instrument.c
index bc1d42bf649..042e10f96bc 100644
--- a/src/backend/executor/instrument.c
+++ b/src/backend/executor/instrument.c
@@ -21,8 +21,6 @@ BufferUsage pgBufferUsage;
static BufferUsage save_pgBufferUsage;
static void BufferUsageAdd(BufferUsage *dst, const BufferUsage *add);
-static void BufferUsageAccumDiff(BufferUsage *dst,
- const BufferUsage *add, const BufferUsage *sub);
/* Allocate new instrumentation structure(s) */
@@ -203,7 +201,7 @@ BufferUsageAdd(BufferUsage *dst, const BufferUsage *add)
}
/* dst += add - sub */
-static void
+void
BufferUsageAccumDiff(BufferUsage *dst,
const BufferUsage *add,
const BufferUsage *sub)
diff --git a/src/include/executor/instrument.h b/src/include/executor/instrument.h
index f48d46aedef..3825a5ac1f3 100644
--- a/src/include/executor/instrument.h
+++ b/src/include/executor/instrument.h
@@ -81,5 +81,7 @@ extern void InstrAggNode(Instrumentation *dst, Instrumentation *add);
extern void InstrStartParallelQuery(void);
extern void InstrEndParallelQuery(BufferUsage *result);
extern void InstrAccumParallelQuery(BufferUsage *result);
+extern void BufferUsageAccumDiff(BufferUsage *dst,
+ const BufferUsage *add, const BufferUsage *sub);
#endif /* INSTRUMENT_H */