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authorunknown <monty@tik.mysql.fi>2002-01-12 15:42:54 +0200
committerunknown <monty@tik.mysql.fi>2002-01-12 15:42:54 +0200
commit71a5af5b52642cbe64960275f1994f5a57832ff3 (patch)
tree5c9b603230485a57877f3b066d095b6668bd1d2e /sql/ha_isammrg.h
parente8da7ea09ea7ccde96becbd04364df8c4e8424bd (diff)
downloadmariadb-git-71a5af5b52642cbe64960275f1994f5a57832ff3.tar.gz
Added support of null keys in HEAP tables
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
Diffstat (limited to 'sql/ha_isammrg.h')
-rw-r--r--sql/ha_isammrg.h5
1 files changed, 3 insertions, 2 deletions
diff --git a/sql/ha_isammrg.h b/sql/ha_isammrg.h
index 888ecf0ca37..1ee0b0e2547 100644
--- a/sql/ha_isammrg.h
+++ b/sql/ha_isammrg.h
@@ -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; }