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table.h, sql_select.h:

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Added the code processing on expressions for applying
  multiple equalities.
sql_select.cc:
  Post-merge fixes for Item_equal patch.
  Added the code processing on expressions for applying
  multiple equalities.
Many files:
  Post-merge fixes for Item_equal patch.
item_cmpfunc.cc:
  Post-merge fixes for Item_equal patch.
  Fixed a problem when an equality field=const cannot be applied to
  the predicate P(field,c) for constant propagation as a conversion
  of field is needed.
item.h, item.cc:
  Fixed a problem when an equality field=const cannot be applied to
  the predicate P(field,c) for constant propagation as a conversion
  of field is needed.
This commit is contained in:
igor@rurik.mysql.com
2004-10-19 14:12:55 -07:00
parent 71f6ab7a09
commit 4c8e391718
12 changed files with 416 additions and 160 deletions
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3
sql/sql_select.h
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@@ -91,7 +91,8 @@ typedef struct st_join_table {
SQL_SELECT *select;
COND *select_cond;
QUICK_SELECT_I *quick;
Item *on_expr; /* associated on expression */
Item **on_expr_ref; /* pointer to the associated on expression */
COND_EQUAL *cond_equal; /* multiple equalities for the on expression */
st_join_table *first_inner; /* first inner table for including outerjoin */
bool found; /* true after all matches or null complement */
bool not_null_compl;/* true before null complement is added */