Merge branch '5.5' into 10.0

1 files changed, 5 insertions, 3 deletions

diff --git a/sql/item_subselect.cc b/sql/item_subselect.cc
index a07e3498256..5cdfa427997 100644
--- a/sql/item_subselect.cc
+++ b/sql/item_subselect.cc
@@ -3763,7 +3763,7 @@ int subselect_uniquesubquery_engine::scan_table()
   }
 
   table->file->extra_opt(HA_EXTRA_CACHE,
-                         current_thd->variables.read_buff_size);
+                         get_thd()->variables.read_buff_size);
   table->null_row= 0;
   for (;;)
   {
@@ -4201,7 +4201,7 @@ table_map subselect_union_engine::upper_select_const_tables()
 void subselect_single_select_engine::print(String *str,
                                            enum_query_type query_type)
 {
-  select_lex->print(thd, str, query_type);
+  select_lex->print(get_thd(), str, query_type);
 }
 
 
@@ -4732,6 +4732,7 @@ my_bitmap_init_memroot(MY_BITMAP *map, uint n_bits, MEM_ROOT *mem_root)
 
 bool subselect_hash_sj_engine::init(List<Item> *tmp_columns, uint subquery_id)
 {
+  THD *thd= get_thd();
   select_union *result_sink;
   /* Options to create_tmp_table. */
   ulonglong tmp_create_options= thd->variables.option_bits | TMP_TABLE_ALL_COLUMNS;
@@ -5959,6 +5960,7 @@ bool
 subselect_rowid_merge_engine::init(MY_BITMAP *non_null_key_parts,
                                    MY_BITMAP *partial_match_key_parts)
 {
+  THD *thd= get_thd();
   /* The length in bytes of the rowids (positions) of tmp_table. */
   uint rowid_length= tmp_table->file->ref_length;
   ha_rows row_count= tmp_table->file->stats.records;
@@ -6497,7 +6499,7 @@ bool subselect_table_scan_engine::partial_match()
   }
 
   tmp_table->file->extra_opt(HA_EXTRA_CACHE,
-                             current_thd->variables.read_buff_size);
+                             get_thd()->variables.read_buff_size);
   for (;;)
   {
     error= tmp_table->file->ha_rnd_next(tmp_table->record[0]);