[CP] [to #45843079] fix serval bugs found by external customers

2022-11-03 08:37:05 +00:00
parent 265296217f
commit 0feea46b52
2 changed files with 6 additions and 2 deletions
--- a/src/observer/mysql/obmp_stmt_execute.cpp
+++ b/src/observer/mysql/obmp_stmt_execute.cpp
@ -2171,7 +2171,11 @@ int ObMPStmtExecute::parse_basic_param_value(ObIAllocator &allocator,
              if (is_oracle_mode() && !is_complex_element) {
                param.set_char(dst);
              } else {
-                param.set_varchar(dst);
+                if (is_complex_element && dst.length()== 0) {
+                  param.set_null();
+                } else {
+                  param.set_varchar(dst);
+                }
              }
            }
          }