Bug#26022576: JSON_INSERT DOES NOT HANDLE AUTO-WRAPPING

JSON_INSERT called Json_dom::seek() with auto_wrap=false, so it didn't
handle auto-wrapping. Fixed by changing the auto_wrap argument to true
in the calls to seek().

Change-Id: I27c94cb790c426e130df34abbbe8c84b128b98d0

Author: kahatlen

mysql-test/suite/json/r/json_no_table.result

@@ -3803,3 +3803,11 @@ DROP VIEW v;
 SELECT CAST('{"a": [1,2,3], "a": [4,5,6]}' AS JSON);
 CAST('{"a": [1,2,3], "a": [4,5,6]}' AS JSON)
 {"a": [4, 5, 6]}
+#
+# Bug#26022576: JSON_INSERT DOES NOT HANDLE AUTO-WRAPPING
+#
+SELECT JSON_INSERT('{"a":1}', '$.a[1]', 123) AS c1,
+JSON_INSERT('{"a":1}', '$[0].a[1]', 123) AS c2,
+JSON_INSERT('{"a":1}', '$.a[0][1]', 123) AS c3;
+c1	c2	c3
+{"a": [1, 123]}	{"a": [1, 123]}	{"a": [1, 123]}

mysql-test/suite/json/t/json_no_table.test

@@ -2548,3 +2548,10 @@ DROP VIEW v;
 --echo # Bug#26238736: ASSERTION `__NULL != DYNAMIC_CAST<TARGET>(ARG)' FAILURE
 --echo #
 SELECT CAST('{"a": [1,2,3], "a": [4,5,6]}' AS JSON);
+
+--echo #
+--echo # Bug#26022576: JSON_INSERT DOES NOT HANDLE AUTO-WRAPPING
+--echo #
+SELECT JSON_INSERT('{"a":1}', '$.a[1]', 123) AS c1,
+       JSON_INSERT('{"a":1}', '$[0].a[1]', 123) AS c2,
+       JSON_INSERT('{"a":1}', '$.a[0][1]', 123) AS c3;

sql/item_json_func.cc

@@ -2232,7 +2232,7 @@ bool Item_func_json_insert::val_json(Json_wrapper *wr)
 
       {
         Json_dom_vector hits(key_memory_JSON);
-        if (doc->seek(m_path, &hits, false, true))
+        if (doc->seek(m_path, &hits, true, true))
           return error_json();                /* purecov: inspected */
 
         if (hits.size() != 0 || // already exists
@@ -2251,7 +2251,7 @@ bool Item_func_json_insert::val_json(Json_wrapper *wr)
       */
       Json_dom_vector hits(key_memory_JSON);
       const Json_path_leg *leg= m_path.pop();
-      if (doc->seek(m_path, &hits, false, true))
+      if (doc->seek(m_path, &hits, true, true))
         return error_json();                  /* purecov: inspected */
 
       if (hits.size() < 1)