[tarantool-patches] [PATCH v1 1/1] sql: assertion in autoincrement column

[imeevma@tarantool.org]

In some cases on attempt to insert inappropriate value in
autoincrement column assertion was thrown. Now it is fixed.

Closes #3670
---
Branch: https://github.com/tarantool/tarantool/tree/imeevma/gh-3670-assertion-in-autoincrement-column
Issue: https://github.com/tarantool/tarantool/issues/3670

 src/box/sql/vdbe.c            |  7 +++++--
 test/sql-tap/autoinc.test.lua | 27 ++++++++++++++++++++++++++-
 2 files changed, 31 insertions(+), 3 deletions(-)

diff --git a/src/box/sql/vdbe.c b/src/box/sql/vdbe.c
index 00ffb0c..632fa52 100644
--- a/src/box/sql/vdbe.c
+++ b/src/box/sql/vdbe.c
@@ -3758,10 +3758,13 @@ case OP_FCopy: {     /* out2 */
 		/* Flag is set and register is NULL -> do nothing  */
 	} else {
 		assert(memIsValid(pIn1));
-		assert(pIn1->flags &  MEM_Int);
 
 		pOut = &aMem[pOp->p2];
-		MemSetTypeFlag(pOut, MEM_Int);
+		/*
+		 * Flag should be MEM_Int but in some cases it can
+		 * have an other value. See gh-3670.
+		 */
+		MemSetTypeFlag(pOut, pIn1->flags);
 
 		pOut->u.i = pIn1->u.i;
 	}
diff --git a/test/sql-tap/autoinc.test.lua b/test/sql-tap/autoinc.test.lua
index dda7061..bd40de9 100755
--- a/test/sql-tap/autoinc.test.lua
+++ b/test/sql-tap/autoinc.test.lua
@@ -1,6 +1,6 @@
 #!/usr/bin/env tarantool
 test = require("sqltester")
-test:plan(46)
+test:plan(48)
 
 --!./tcltestrunner.lua
 -- 2004 November 12
@@ -801,4 +801,29 @@ test:do_test(
         -- </autoinc-a69637.2>
     })
 
+-- gh-3670: Assertion with large number in autoincrement column
+test:do_catchsql_test(
+    "autoinc-gh-3670-1",
+    [[
+        CREATE TABLE t0 (s1 INT PRIMARY KEY AUTOINCREMENT);
+        INSERT INTO t0 VALUES (2147483647);
+        INSERT INTO t0 SELECT max(s1)*max(s1)*max(s1) FROM t0;
+    ]], {
+        -- <autoinc-10.2>
+        1, "datatype mismatch"
+        -- </autoinc-10.2>
+    })
+
+test:do_catchsql_test(
+    "autoinc-gh-3670-2",
+    [[
+        CREATE TABLE t1 (s1 INT PRIMARY KEY AUTOINCREMENT, s2 CHAR);
+        INSERT INTO t1 VALUES (1, 'a');
+        INSERT INTO t1 SELECT s2, s2 FROM t1;
+    ]], {
+        -- <autoinc-10.2>
+        1, "datatype mismatch"
+        -- </autoinc-10.2>
+    })
+
 test:finish_test()
-- 
2.7.4