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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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5
sql/ha_isammrg.h
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@ -32,8 +32,9 @@ class ha_isammrg: public handler
~ha_isammrg() {}
const char *table_type() const { return "MRG_ISAM"; }
const char **bas_ext() const;
ulong option_flag() const { return HA_READ_RND_SAME | HA_KEYPOS_TO_RNDPOS
| HA_REC_NOT_IN_SEQ;}
ulong option_flag() const { return (HA_READ_RND_SAME | HA_KEYPOS_TO_RNDPOS |
HA_NOT_READ_PREFIX_LAST |
HA_REC_NOT_IN_SEQ); }
uint max_record_length() const { return HA_MAX_REC_LENGTH; }
uint max_keys() const { return 0; }
uint max_key_parts() const { return 0; }