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-rw-r--r--src/include/c.h8
1 files changed, 4 insertions, 4 deletions
diff --git a/src/include/c.h b/src/include/c.h
index bbdaa88c63a..39022f8a9dd 100644
--- a/src/include/c.h
+++ b/src/include/c.h
@@ -609,11 +609,11 @@ typedef signed int Offset;
typedef float float4;
typedef double float8;
-#ifdef USE_FLOAT8_BYVAL
+/*
+ * float8, int8, and related datatypes are now always pass-by-value.
+ * We keep this symbol to avoid breaking extension code that may use it.
+ */
#define FLOAT8PASSBYVAL true
-#else
-#define FLOAT8PASSBYVAL false
-#endif
/*
* Oid, RegProcedure, TransactionId, SubTransactionId, MultiXactId,