[PATCH 12/13] sql: fixes an error in uint64 to double casting

[Stanislav Zudin <szudin@tarantool.org>]

---
 src/box/sql/util.c    | 2 +-
 src/box/sql/vdbeInt.h | 2 ++
 src/box/sql/vdbemem.c | 2 +-
 3 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/box/sql/util.c b/src/box/sql/util.c
index 17268aaaa..d585dc0d5 100644
--- a/src/box/sql/util.c
+++ b/src/box/sql/util.c
@@ -1318,7 +1318,7 @@ sqlAddInt64(i64 * pA, bool is_signedA, i64 iB, bool is_signedB)
 			if (sum == INT64_MIN_MOD) {
 				*pA = INT64_MIN;
 			} else {
-				assert(sum < INT64_MAX);
+				assert(sum <= INT64_MAX);
 				*pA = -(i64)sum;
 			}
 			return ATHR_SIGNED;
diff --git a/src/box/sql/vdbeInt.h b/src/box/sql/vdbeInt.h
index 42f22df52..2076a9a14 100644
--- a/src/box/sql/vdbeInt.h
+++ b/src/box/sql/vdbeInt.h
@@ -251,6 +251,8 @@ struct Mem {
 #define MEM_Unsigned  0x20000	/* Value is unsigned integer.
 				 * Combine this flag with MEM_Int
 				 * if necessary */
+#define MEM_UInt (MEM_Int | MEM_Unsigned)
+
 #ifdef SQL_OMIT_INCRBLOB
 #undef MEM_Zero
 #define MEM_Zero 0x0000
diff --git a/src/box/sql/vdbemem.c b/src/box/sql/vdbemem.c
index 2805d7a01..9e6d52b47 100644
--- a/src/box/sql/vdbemem.c
+++ b/src/box/sql/vdbemem.c
@@ -489,7 +489,7 @@ sqlVdbeRealValue(Mem * pMem, double *v)
 	if (pMem->flags & MEM_Real) {
 		*v = pMem->u.r;
 		return 0;
-	} else if (pMem->flags & (MEM_Int | MEM_Unsigned)) {
+	} else if ((pMem->flags & MEM_UInt) == MEM_UInt) {
 		*v = (double)(u64)pMem->u.i;
 		return 0;
 	} else if (pMem->flags & MEM_Int) {
-- 
2.17.1