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ha_innodb.cc, row0sel.c, row0mysql.c, row0mysql.h:

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Allow HANDLER PREV and NEXT also after positioning the cursor with a unique search on the primary key


innobase/include/row0mysql.h:
  Allow HANDLER PREV and NEXT also after positioning the cursor with a unique search on the primary key
innobase/row/row0mysql.c:
  Allow HANDLER PREV and NEXT also after positioning the cursor with a unique search on the primary key
innobase/row/row0sel.c:
  Allow HANDLER PREV and NEXT also after positioning the cursor with a unique search on the primary key
sql/ha_innodb.cc:
  Allow HANDLER PREV and NEXT also after positioning the cursor with a unique search on the primary key
This commit is contained in:
unknown
2003-04-17 02:28:40 +03:00
parent 7214d07baf
commit 01545bd472
4 changed files with 32 additions and 13 deletions
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10
innobase/include/row0mysql.h
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@ -419,13 +419,21 @@ struct row_prebuilt_struct {
index where the ordering column is
the row id: in this case this flag
is set to TRUE */
dict_index_t* index; /* current index for a search, if any */
dict_index_t* index; /* current index for a search, if
any */
ulint read_just_key; /* set to 1 when MySQL calls
ha_innobase::extra with the
argument HA_EXTRA_KEYREAD; it is enough
to read just columns defined in
the index (i.e., no read of the
clustered index record necessary) */
ibool used_in_HANDLER;/* TRUE if we have been using this
handle in a MySQL HANDLER low level
index cursor command: then we must
store the pcur position even in a
unique search from a clustered index,
because HANDLER allows NEXT and PREV
in such a situation */
ulint template_type; /* ROW_MYSQL_WHOLE_ROW,
ROW_MYSQL_REC_FIELDS,
ROW_MYSQL_DUMMY_TEMPLATE, or