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| author | unknown <monty@mashka.mysql.fi> | 2003-06-26 07:56:55 +0300 |
|---|---|---|
| committer | unknown <monty@mashka.mysql.fi> | 2003-06-26 07:56:55 +0300 |
| commit | 7539980eb1e70144c8f1232271e4f24311426312 (patch) | |
| tree | 80a9ea494fdef18a20b754a4ce6bfd8179e5cfe0 /mysys/tree.c | |
| parent | a3beaaa3af7af26aabadda6836618d32d6c90e51 (diff) | |
| download | mariadb-git-7539980eb1e70144c8f1232271e4f24311426312.tar.gz | |
Fixed memory allocation in Unique to not allocate too much memory
myisam/mi_info.c:
Updated comments
mysys/tree.c:
Added comment
sql/net_serv.cc:
Added comment
Diffstat (limited to 'mysys/tree.c')
| -rw-r--r-- | mysys/tree.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/mysys/tree.c b/mysys/tree.c index ea5cf79f084..2b5ea717809 100644 --- a/mysys/tree.c +++ b/mysys/tree.c @@ -90,6 +90,11 @@ void init_tree(TREE *tree, uint default_alloc_size, uint memory_limit, if (!free_element && size >= 0 && ((uint) size <= sizeof(void*) || ((uint) size & (sizeof(void*)-1)))) { + /* + We know that the data doesn't have to be aligned (like if the key + contains a double), so we can store the data combined with the + TREE_ELEMENT. + */ tree->offset_to_key=sizeof(TREE_ELEMENT); /* Put key after element */ /* Fix allocation size so that we don't lose any memory */ default_alloc_size/=(sizeof(TREE_ELEMENT)+size); |