1 files changed, 18 insertions, 0 deletions
diff --git a/sql/sql_lex.cc b/sql/sql_lex.cc
index df4d8d7b94c..f5e37446b58 100644
--- a/sql/sql_lex.cc
+++ b/sql/sql_lex.cc
@@ -9587,3 +9587,21 @@ bool LEX::sp_proc_stmt_statement_finalize(THD *thd, bool no_lookahead)
                                                        lip->get_tok_start());
   return LEX::sp_proc_stmt_statement_finalize_buf(thd, qbuf);
 }
+
+
+/**
+   Create JSON_VALID(field_name) expression
+*/
+
+Virtual_column_info *make_json_valid_expr(THD *thd, LEX_CSTRING *field_name)
+{
+  Lex_ident_sys_st str;
+  Item *field, *expr;
+  str.set_valid_utf8(field_name);
+  if (unlikely(!(field= thd->lex->create_item_ident_field(thd, NullS, NullS,
+                                                          &str))))
+    return 0;
+  if (unlikely(!(expr= new (thd->mem_root) Item_func_json_valid(thd, field))))
+    return 0;
+  return add_virtual_expression(thd, expr);
+}