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MDEV-9619: Assertion `null_ref_table' failed in virtual table_map Item_direct_view_ref::used_tables() const on 2nd execution of PS

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Refer left expression indirectly in case it changes from execution to execution.
This commit is contained in:
Oleksandr Byelkin
2017-02-18 17:47:31 +01:00
parent 2bab29ebba
commit 235b68299b
16 changed files with 332 additions and 33 deletions
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7
sql/sql_base.cc
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@ -8128,13 +8128,15 @@ int setup_wild(THD *thd, TABLE_LIST *tables, List<Item> &fields,
bool setup_fields(THD *thd, Item **ref_pointer_array,
List<Item> &fields, enum_mark_columns mark_used_columns,
List<Item> *sum_func_list, bool allow_sum_func)
List<Item> *sum_func_list, List<Item> *pre_fix,
bool allow_sum_func)
{
reg2 Item *item;
enum_mark_columns save_mark_used_columns= thd->mark_used_columns;
nesting_map save_allow_sum_func= thd->lex->allow_sum_func;
List_iterator<Item> it(fields);
bool save_is_item_list_lookup;
bool make_pre_fix= (pre_fix && (pre_fix->elements == 0));
DBUG_ENTER("setup_fields");
DBUG_PRINT("enter", ("ref_pointer_array: %p", ref_pointer_array));
@ -8181,6 +8183,9 @@ bool setup_fields(THD *thd, Item **ref_pointer_array,
thd->lex->current_select->cur_pos_in_select_list= 0;
while ((item= it++))
{
if (make_pre_fix)
pre_fix->push_back(item, thd->stmt_arena->mem_root);
if ((!item->fixed && item->fix_fields(thd, it.ref())) ||
(item= *(it.ref()))->check_cols(1))
{