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| author | unknown <heikki@hundin.mysql.fi> | 2003-06-22 16:20:06 +0300 |
|---|---|---|
| committer | unknown <heikki@hundin.mysql.fi> | 2003-06-22 16:20:06 +0300 |
| commit | e0be1a89304afb756b9df8118612dc79cc13912e (patch) | |
| tree | 1a135d13bab7894d25062ffd291711e2075c27ef /innobase/include/dict0dict.h | |
| parent | f403da4bf2dba7f21c1076d986c73ef5d1ce2025 (diff) | |
| download | mariadb-git-e0be1a89304afb756b9df8118612dc79cc13912e.tar.gz | |
dict0dict.h, dict0dict.c, ha_innodb.cc:
In ORDER BY MySQL seems to set the key read flag also in the case where the primary key contains only a prefix of a column - not the whole column; to prevent potential bugs retrieve the whole column if the index contains a prefix of it
sql/ha_innodb.cc:
In ORDER BY MySQL seems to set the key read flag also in the case where the primary key contains only a prefix of a column - not the whole column; to prevent potential bugs retrieve the whole column if the index contains a prefix of it
innobase/dict/dict0dict.c:
In ORDER BY MySQL seems to set the key read flag also in the case where the primary key contains only a prefix of a column - not the whole column; to prevent potential bugs retrieve the whole column if the index contains a prefix of it
innobase/include/dict0dict.h:
In ORDER BY MySQL seems to set the key read flag also in the case where the primary key contains only a prefix of a column - not the whole column; to prevent potential bugs retrieve the whole column if the index contains a prefix of it
Diffstat (limited to 'innobase/include/dict0dict.h')
| -rw-r--r-- | innobase/include/dict0dict.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/innobase/include/dict0dict.h b/innobase/include/dict0dict.h index e88c6a52bcb..b5ec5381db2 100644 --- a/innobase/include/dict0dict.h +++ b/innobase/include/dict0dict.h @@ -569,6 +569,16 @@ dict_index_get_nth_col_pos( dict_index_t* index, /* in: index */ ulint n); /* in: column number */ /************************************************************************ +Returns TRUE if the index contains a column or a prefix of that column. */ + +ibool +dict_index_contains_col_or_prefix( +/*==============================*/ + /* out: TRUE if contains the column or its + prefix */ + dict_index_t* index, /* in: index */ + ulint n); /* in: column number */ +/************************************************************************ Looks for a matching field in an index. The column and the prefix len has to be the same. */ |