Remove clear_insert_values() because it was far from trivial to handle the cleanup in all cases

(Old code failed for INSERT ... ON DUPLICATE with prepared statements) 
Instead, always reset table->insert_values on open.


mysql-test/t/trigger.test:
  Fix test for --ps-protocol
sql/sql_base.cc:
  Clear insert_values on open_table
sql/sql_insert.cc:
  Remove clear_insert_values()
sql/sql_parse.cc:
  Remove clear_insert_values()
sql/sql_prepare.cc:
  Remove clear_insert_values()
sql/table.cc:
  Remove clear_insert_values()
sql/table.h:
  Remove clear_insert_values()

1 files changed, 0 insertions, 20 deletions

diff --git a/sql/table.cc b/sql/table.cc
index ee204347b88..e9b89d6b124 100644
--- a/sql/table.cc
+++ b/sql/table.cc
@@ -2026,26 +2026,6 @@ bool st_table_list::set_insert_values(MEM_ROOT *mem_root)
 }
 
 
-/*
-  clear insert_values reference
-
-    SYNOPSIS
-    clear_insert_values()
-*/
-
-void st_table_list::clear_insert_values()
-{
-  if (table)
-    table->insert_values= 0;
-  else
-  {
-    DBUG_ASSERT(view && ancestor && ancestor->next_local);
-    for (TABLE_LIST *tbl= ancestor; tbl; tbl= tbl->next_local)
-      tbl->clear_insert_values();
-  }
-}
-
-
 void Field_iterator_view::set(TABLE_LIST *table)
 {
   ptr= table->field_translation;