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Merge spetrunia@bk-internal.mysql.com:/home/bk/mysql-5.1-new

Browse source 
into  mysql.com:/home/psergey/mysql-5.1-ppruning-r5


sql/handler.h:
  Auto merged
sql/item.h:
  Auto merged
sql/mysqld.cc:
  Auto merged
sql/sql_class.cc:
  Auto merged
sql/sql_lex.h:
  Auto merged
This commit is contained in:
unknown 2006-01-20 19:38:11 +03:00
commit 64416b1d89
15 changed files with 1070 additions and 255 deletions
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11
sql/item.h
View file

@ -381,13 +381,20 @@ public:
put values of field_i into table record buffer;
return item->val_int();
}
NOTE
At the moment function monotonicity is not well defined (and so may be
incorrect) for Item trees with parameters/return types that are different
from INT_RESULT, may be NULL, or are unsigned.
It will be possible to address this issue once the related partitioning bugs
(BUG#16002, BUG#15447, BUG#13436) are fixed.
*/
typedef enum monotonicity_info
{
NON_MONOTONIC, /* none of the below holds */
MONOTONIC_INCREASING, /* F() is unary and "x < y" => "F(x) < F(y)" */
MONOTONIC_STRICT_INCREASING /* F() is unary and "x < y" => "F(x) <= F(y)" */
MONOTONIC_INCREASING, /* F() is unary and (x < y) => (F(x) <= F(y)) */
MONOTONIC_STRICT_INCREASING /* F() is unary and (x < y) => (F(x) < F(y)) */
} enum_monotonicity_info;
/*************************************************************************/