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Added support of null keys in HEAP tables

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Added ORDER BY optimization


Docs/manual.texi:
  Added ORDER BY optimisation section
heap/_check.c:
  Cleanup
heap/heapdef.h:
  Added support of null keys in HEAP tables
heap/hp_hash.c:
  Added support of null keys in HEAP tables
heap/hp_open.c:
  Added support of null keys in HEAP tables
heap/hp_test2.c:
  Added support of null keys in HEAP tables
heap/hp_write.c:
  Added support of null keys in HEAP tables
include/heap.h:
  Added support of null keys in HEAP tables
include/my_base.h:
  Support for hash algoritm
isam/static.c:
  Cleanup
myisam/mi_static.c:
  Cleanup
sql/Makefile.am:
  Rename innobase -> innodb
sql/ha_berkeley.cc:
  Added ORDER BY optimization
sql/ha_berkeley.h:
  Added ORDER BY optimization
sql/ha_heap.cc:
  Added support for NULL keys
sql/ha_heap.h:
  Added support for NULL keys
sql/ha_isam.cc:
  Added ORDER BY optimization
sql/ha_isam.h:
  Added ORDER BY optimization
sql/ha_isammrg.h:
  Added ORDER BY optimization
sql/ha_myisam.cc:
  Added ORDER BY optimization
sql/ha_myisam.h:
  Added ORDER BY optimization
sql/ha_myisammrg.cc:
  Added ORDER BY optimization
sql/ha_myisammrg.h:
  Added ORDER BY optimization
sql/handler.cc:
  Rename innobase -> innodb
sql/handler.h:
  Rename innobase -> innodb
sql/ha_innodb.cc:
  Rename innobase -> innodb
sql/ha_innodb.h:
  Rename innobase -> innodb
sql/mysqld.cc:
  Rename innobase -> innodb
sql/sql_delete.cc:
  Rename innobase -> innodb
sql/sql_select.cc:
  Added ORDER BY optimization
sql/sql_select.h:
  Added ORDER BY optimization
This commit is contained in:
unknown 2002-01-12 15:42:54 +02:00
commit 71a5af5b52
31 changed files with 547 additions and 148 deletions
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7
sql/handler.h
View file

@ -55,12 +55,11 @@
#define HA_REC_NOT_IN_SEQ 64 /* ha_info don't return recnumber;
It returns a position to ha_r_rnd */
#define HA_ONLY_WHOLE_INDEX 128 /* Can't use part key searches */
#define HA_RSAME_NO_INDEX 256 /* RSAME can't restore index */
#define HA_NOT_READ_PREFIX_LAST 256 /* RSAME can't restore index */
#define HA_WRONG_ASCII_ORDER 512 /* Can't use sorting through key */
#define HA_HAVE_KEY_READ_ONLY 1024 /* Can read only keys (no record) */
#define HA_READ_NOT_EXACT_KEY 2048 /* Can read record after/before key */
#define HA_NO_INDEX 4096 /* No index needed for next/prev */
#define HA_LONGLONG_KEYS 8192 /* Can have longlong as key */
#define HA_KEY_READ_WRONG_STR 16384 /* keyread returns converted strings */
#define HA_NULL_KEY 32768 /* One can have keys with NULL */
#define HA_DUPP_POS 65536 /* ha_position() gives dupp row */
@ -256,6 +255,10 @@ public:
virtual int index_first(byte * buf)=0;
virtual int index_last(byte * buf)=0;
virtual int index_next_same(byte *buf, const byte *key, uint keylen);
virtual int index_read_last(byte * buf, const byte * key, uint key_len)
{
return (my_errno=HA_ERR_WRONG_COMMAND);
}
virtual int ft_init()
{ return -1; }
virtual FT_INFO *ft_init_ext(uint mode,uint inx,const byte *key, uint keylen,