diff --git a/src/box/sql/vdbemem.c b/src/box/sql/vdbemem.c
index 18fe958a26bddbdd30708614bf468f7cd624c11f..7490f5ddafd3bed9030989ddefc2aa24e10c3f6f 100644
--- a/src/box/sql/vdbemem.c
+++ b/src/box/sql/vdbemem.c
@@ -696,7 +696,7 @@ sqlVdbeMemCast(Mem * pMem, enum field_type type)
 		return -1;
 	case FIELD_TYPE_INTEGER:
 	case FIELD_TYPE_UNSIGNED:
-		if ((pMem->flags & MEM_Blob) != 0) {
+		if ((pMem->flags & (MEM_Blob | MEM_Str)) != 0) {
 			bool is_neg;
 			int64_t val;
 			if (sql_atoi64(pMem->z, &val, &is_neg, pMem->n) != 0)
@@ -711,8 +711,20 @@ sqlVdbeMemCast(Mem * pMem, enum field_type type)
 			MemSetTypeFlag(pMem, MEM_UInt);
 			return 0;
 		}
-		if (sqlVdbeMemIntegerify(pMem) != 0)
+		if ((pMem->flags & MEM_Real) != 0) {
+			double d;
+			if (sqlVdbeRealValue(pMem, &d) != 0)
+				return -1;
+			if (d < INT64_MAX && d >= INT64_MIN) {
+				mem_set_int(pMem, d, d <= -1);
+				return 0;
+			}
+			if (d >= INT64_MAX && d < UINT64_MAX) {
+				mem_set_u64(pMem, d);
+				return 0;
+			}
 			return -1;
+		}
 		if (type == FIELD_TYPE_UNSIGNED &&
 		    (pMem->flags & MEM_UInt) == 0)
 			return -1;
diff --git a/test/sql/types.result b/test/sql/types.result
index 38e4385adbc9db4258426dd1ee1d84f5b1036d59..54aff460e9f0d55c880ddc4f7f6620864ee6dd56 100644
--- a/test/sql/types.result
+++ b/test/sql/types.result
@@ -269,11 +269,8 @@ box.space.T1:drop()
 --
 box.execute("SELECT CAST('1.123' AS INTEGER);")
 ---
-- metadata:
-  - name: CAST('1.123' AS INTEGER)
-    type: integer
-  rows:
-  - [1]
+- null
+- 'Type mismatch: can not convert 1.123 to integer'
 ...
 box.execute("CREATE TABLE t1 (f TEXT PRIMARY KEY);")
 ---
@@ -285,13 +282,8 @@ box.execute("INSERT INTO t1 VALUES('0.0'), ('1.5'), ('3.9312453');")
 ...
 box.execute("SELECT CAST(f AS INTEGER) FROM t1;")
 ---
-- metadata:
-  - name: CAST(f AS INTEGER)
-    type: integer
-  rows:
-  - [0]
-  - [1]
-  - [3]
+- null
+- 'Type mismatch: can not convert 0.0 to integer'
 ...
 box.space.T1:drop()
 ---
@@ -1105,8 +1097,11 @@ box.execute("SELECT CAST(1.5 AS UNSIGNED);")
 ...
 box.execute("SELECT CAST(-1.5 AS UNSIGNED);")
 ---
-- null
-- 'Type mismatch: can not convert -1 to unsigned'
+- metadata:
+  - name: CAST(-1.5 AS UNSIGNED)
+    type: unsigned
+  rows:
+  - [-1]
 ...
 box.execute("SELECT CAST(true AS UNSIGNED);")
 ---