Merge branch '10.3' into bb-10.4-releasemariadb-10.4.26

1 files changed, 22 insertions, 1 deletions

diff --git a/sql/sql_union.cc b/sql/sql_union.cc
index ada09be071e..70a521696d2 100644
--- a/sql/sql_union.cc
+++ b/sql/sql_union.cc
@@ -297,7 +297,27 @@ bool select_unit::send_eof()
 
 int select_union_recursive::send_data(List<Item> &values)
 {
-  int rc= select_unit::send_data(values);
+
+  int rc;
+  bool save_abort_on_warning= thd->abort_on_warning;
+  enum_check_fields save_count_cuted_fields= thd->count_cuted_fields;
+  long save_counter;
+
+  /*
+    For recursive CTE's give warnings for wrong field info
+    However, we don't do that for CREATE TABLE ... SELECT or INSERT ... SELECT
+    as the upper level code for these handles setting of abort_on_warning
+    depending on if 'IGNORE' is used.
+  */
+  if (thd->lex->sql_command != SQLCOM_CREATE_TABLE &&
+      thd->lex->sql_command != SQLCOM_INSERT_SELECT)
+    thd->abort_on_warning= thd->is_strict_mode();
+  thd->count_cuted_fields= CHECK_FIELD_WARN;
+  save_counter= thd->get_stmt_da()->set_current_row_for_warning(++row_counter);
+  rc= select_unit::send_data(values);
+  thd->get_stmt_da()->set_current_row_for_warning(save_counter);
+  thd->count_cuted_fields= save_count_cuted_fields;
+  thd->abort_on_warning= save_abort_on_warning;
 
   if (rc == 0 &&
       write_err != HA_ERR_FOUND_DUPP_KEY &&
@@ -476,6 +496,7 @@ void select_union_recursive::cleanup()
     thd->rec_tables= tab;
     tbl->derived_result= 0;
   }
+  row_counter= 0;
 }