mirror/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2025-01-22 23:04:20 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions

push commands down to in memory nodes

Browse source 
git-svn-id: file:///svn/tokudb@382 c7de825b-a66e-492c-adef-691d508d4ae1
This commit is contained in:
Rich Prohaska 2007-10-02 16:17:44 +00:00
parent 8dcc66423f
commit 3def1beae1
1 changed files with 52 additions and 30 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

82
newbrt/brt.c
View file

@ -844,6 +844,48 @@ static unsigned int brtnode_which_child (BRTNODE node , DBT *k, BRT t, DB *db) {
return node->u.n.n_children-1;
}
static int brt_nonleaf_put_cmd_child (BRT t, BRTNODE node, BRT_CMD *cmd,
int *did_split, BRTNODE *nodea, BRTNODE *nodeb,
DBT *splitk, int debug, TOKUTXN txn, int childnum, int maybe) {
int r;
void *child_v;
BRTNODE child;
int child_did_split;
BRTNODE childa, childb;
DBT childsplitk;
*did_split = 0;
if (maybe)
r = cachetable_maybe_get_and_pin(t->cf, node->u.n.children[childnum], &child_v);
else
r = cachetable_get_and_pin(t->cf, node->u.n.children[childnum], &child_v,
brtnode_flush_callback, brtnode_fetch_callback, (void*)(long)t->h->nodesize);
if (r != 0)
return r;
child = child_v;
child_did_split = 0;
r = brtnode_put_cmd(t, child, cmd,
&child_did_split, &childa, &childb, &childsplitk, debug, txn);
assert(r == 0);
if (child_did_split) {
if (0) printf("brt_nonleaf_insert child_split %p\n", child);
assert(cmd->type == BRT_INSERT || cmd->type == BRT_DELETE);
DBT *k = cmd->u.id.key;
DB *db = cmd->u.id.db;
r = handle_split_of_child(t, node, childnum,
childa, childb, &childsplitk,
did_split, nodea, nodeb, splitk,
k->app_private, db, txn);
assert(r == 0);
} else {
r = cachetable_unpin_size(t->cf, child->thisnodename, child->dirty, brtnode_size(child));
assert(r == 0);
}
return r;
}
static int brt_nonleaf_put_cmd (BRT t, BRTNODE node, BRT_CMD *cmd,
int *did_split, BRTNODE *nodea, BRTNODE *nodeb,
@ -864,40 +906,12 @@ static int brt_nonleaf_put_cmd (BRT t, BRTNODE node, BRT_CMD *cmd,
/* non-buffering mode when cursors are open on this child */
if (node->u.n.n_cursors[childnum] > 0) {
int r;
void *child_v;
BRTNODE child;
int child_did_split;
BRTNODE childa, childb;
DBT childsplitk;
assert(node->u.n.n_bytes_in_hashtable[childnum] == 0);
*did_split = 0;
r = cachetable_get_and_pin(t->cf, node->u.n.children[childnum], &child_v,
brtnode_flush_callback, brtnode_fetch_callback, (void*)(long)t->h->nodesize);
assert(r == 0);
child = child_v;
child_did_split = 0;
r = brtnode_put_cmd(t, child, cmd,
&child_did_split, &childa, &childb, &childsplitk, 0, txn);
assert(r == 0);
if (child_did_split) {
if (0) printf("brt_nonleaf_insert child_split %p\n", child);
r = handle_split_of_child(t, node, childnum,
childa, childb, &childsplitk,
did_split, nodea, nodeb, splitk,
k->app_private, db, txn);
assert(r == 0);
} else {
r = cachetable_unpin_size(t->cf, child->thisnodename, child->dirty, brtnode_size(child));
assert(r == 0);
}
int r = brt_nonleaf_put_cmd_child(t, node, cmd, did_split, nodea, nodeb, splitk, debug, txn, childnum, 0);
return r;
}
found = !toku_hash_find(node->u.n.htables[childnum], k->data, k->size, &olddata, &olddatalen, &type);
if (0) { // It is faster to do this, except on yobiduck where things grind to a halt.
@ -947,6 +961,14 @@ static int brt_nonleaf_put_cmd (BRT t, BRTNODE node, BRT_CMD *cmd,
brtnode_set_dirty(node);
//printf("%s:%d deleted %d bytes\n", __FILE__, __LINE__, diff);
}
/* if the child is in the cache table then push the cmd to it
otherwise just put it into this node's buffer */
if (1) {
int r = brt_nonleaf_put_cmd_child(t, node, cmd, did_split, nodea, nodeb, splitk, debug, txn, childnum, 1);
if (r == 0)
return r;
}
{
int diff = k->size + v->size + KEY_VALUE_OVERHEAD + BRT_CMD_OVERHEAD;
int r=toku_hash_insert(node->u.n.htables[childnum], k->data, k->size, v->data, v->size, type);