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ha_innodb.h, ha_innodb.cc:

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Reverted the change which allowed use of HA_READ_PREFIX_LAST in InnoDB


sql/ha_innodb.cc:
  Reverted the change which allowed use of HA_READ_PREFIX_LAST in InnoDB
sql/ha_innodb.h:
  Reverted the change which allowed use of HA_READ_PREFIX_LAST in InnoDB
This commit is contained in:
unknown 2002-09-15 02:23:53 +03:00
commit 57a2cf1377
2 changed files with 6 additions and 2 deletions
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6
sql/ha_innodb.cc
View file

@ -2004,7 +2004,11 @@ convert_search_mode_to_innobase(
case HA_READ_AFTER_KEY: return(PAGE_CUR_G); case HA_READ_AFTER_KEY: return(PAGE_CUR_G);
case HA_READ_BEFORE_KEY: return(PAGE_CUR_L); case HA_READ_BEFORE_KEY: return(PAGE_CUR_L);
case HA_READ_PREFIX: return(PAGE_CUR_GE); case HA_READ_PREFIX: return(PAGE_CUR_GE);
case HA_READ_PREFIX_LAST: return(PAGE_CUR_LE); case HA_READ_PREFIX_LAST: ut_a(0); return(PAGE_CUR_LE);
/* InnoDB does not yet support ..PREFIX_LAST!
We have to add a new search flag
PAGE_CUR_LE_OR_PREFIX to InnoDB. */
/* the above PREFIX flags mean that the last /* the above PREFIX flags mean that the last
field in the key value may just be a prefix field in the key value may just be a prefix
of the complete fixed length field */ of the complete fixed length field */

2
sql/ha_innodb.h
View file

@ -96,7 +96,7 @@ class ha_innobase: public handler
ulong index_flags(uint idx) const ulong index_flags(uint idx) const
{ {
return (HA_READ_NEXT | HA_READ_PREV | HA_READ_ORDER | return (HA_READ_NEXT | HA_READ_PREV | HA_READ_ORDER |
HA_KEY_READ_ONLY); HA_KEY_READ_ONLY | HA_NOT_READ_PREFIX_LAST);
} }
uint max_record_length() const { return HA_MAX_REC_LENGTH; } uint max_record_length() const { return HA_MAX_REC_LENGTH; }
uint max_keys() const { return MAX_KEY; } uint max_keys() const { return MAX_KEY; }