Polishing: use constants instead of magic numbers.

include/my_global.h:
  Introduce constants to be used instead of magic numbers.
sql/field.cc:
  Polishing: use contants instead of magic numbers.
sql/ha_innodb.cc:
  Polishing: use contants instead of magic numbers.
sql/handler.cc:
  Polishing: use contants instead of magic numbers.
sql/item.cc:
  Polishing: use contants instead of magic numbers.
sql/item.h:
  Polishing: use contants instead of magic numbers.
sql/item_func.cc:
  Polishing: use contants instead of magic numbers.
sql/item_subselect.cc:
  Polishing: use contants instead of magic numbers.
sql/log_event.cc:
  Polishing: use contants instead of magic numbers.
sql/sql_base.cc:
  Polishing: use contants instead of magic numbers.
sql/sql_select.cc:
  Polishing: use contants instead of magic numbers.
sql/sql_show.cc:
  Polishing: use contants instead of magic numbers.
sql/sql_table.cc:
  Polishing: use contants instead of magic numbers.

1 files changed, 2 insertions, 1 deletions

diff --git a/sql/item_subselect.cc b/sql/item_subselect.cc
index 12ae0c026eb..b3744d6eb96 100644
--- a/sql/item_subselect.cc
+++ b/sql/item_subselect.cc
@@ -1037,7 +1037,8 @@ Item_in_subselect::single_value_transformer(JOIN *join,
       Item *having= item, *orig_item= item;
       select_lex->item_list.empty();
       select_lex->item_list.push_back(new Item_int("Not_used",
-                                                   (longlong) 1, 21));
+                                                   (longlong) 1,
+                                                   MY_INT64_NUM_DECIMAL_DIGITS));
       select_lex->ref_pointer_array[0]= select_lex->item_list.head();
        
       item= func->create(expr, item);