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Add support for NULL=NULL in keys (Used in GROUP BY optimization)

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Add ISAM to Windows version
Fix of test results
Fixes for NULL keys in HEAP tables.


Docs/manual.texi:
  Changelog
heap/hp_open.c:
  Add support for NULL=NULL in keys (for GROUP BY)
heap/hp_rkey.c:
  Cleanup
heap/hp_write.c:
  Cleanup
include/config-win.h:
  Add ISAM to Windows version
include/my_base.h:
  Add support for NULL=NULL in keys (for GROUP BY)
libmysqld/Makefile.am:
  Rename of innobase to innodb
myisam/mi_write.c:
  Add support for NULL=NULL in keys (for GROUP BY)
BitKeeper/etc/ignore:
  Added libmysqld/ha_innodb.cc to the ignore list
mysql-test/r/group_by.result:
  Test of NULL keys in HEAP tables
mysql-test/r/heap.result:
  Test of NULL keys in HEAP tables
mysql-test/r/null.result:
  Cleanup
mysql-test/r/order_by.result:
  Fix for result of new ORDER BY optimization
mysql-test/t/group_by.test:
  Test of NULL keys in HEAP tables
mysql-test/t/heap.test:
  Test of NULL keys in HEAP tables
mysql-test/t/null.test:
  Cleanup
sql/ha_heap.cc:
  Add support of NULL keys
sql/item_strfunc.h:
  Fix for BINARY and CAST functions
sql/item_timefunc.h:
  Fix for BINARY and CAST functions
sql/sql_parse.cc:
  Cleanup
sql/sql_select.cc:
  Add support for NULL=NULL in keys (for GROUP BY)
This commit is contained in:
unknown 2002-01-16 00:42:52 +02:00
commit f015cbdc7e
21 changed files with 297 additions and 103 deletions
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3
sql/item_strfunc.h
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@ -435,7 +435,8 @@ class Item_func_binary :public Item_str_func
public:
Item_func_binary(Item *a) :Item_str_func(a) {}
const char *func_name() const { return "binary"; }
String *val_str(String *a) { return (args[0]->val_str(a)); }
String *val_str(String *a)
{ a=args[0]->val_str(a); null_value=args[0]->null_value; return a; }
void fix_length_and_dec() { binary=1; max_length=args[0]->max_length; }
void print(String *str) { print_op(str); }
};