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Closes #2003 closes [t:2003] add 'table lock on empty' log entry, and recovery logic for it.

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git-svn-id: file:///svn/toku/tokudb@14489 c7de825b-a66e-492c-adef-691d508d4ae1
This commit is contained in:
Yoni Fogel 2013-04-16 23:58:01 -04:00
parent c44cab7a53
commit 2fefaf6428
3 changed files with 34 additions and 3 deletions
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13
newbrt/brt.c
View file

@ -4905,15 +4905,22 @@ brt_is_empty (BRT brt) {
int
toku_brt_note_table_lock (BRT brt, TOKUTXN txn)
{
int r = 0;
if (brt->h->txnid_that_created_or_locked_when_empty != toku_txn_get_txnid(txn) &&
brt_is_empty(brt) &&
brt->h->txnid_that_created_or_locked_when_empty == 0) {
brt->h->txnid_that_created_or_locked_when_empty = toku_txn_get_txnid(txn);
int r = toku_txn_note_brt(txn, brt);
r = toku_txn_note_brt(txn, brt);
assert(r==0);
return toku_logger_save_rollback_tablelock_on_empty_table(txn, toku_cachefile_filenum(brt->cf));
r = toku_logger_save_rollback_tablelock_on_empty_table(txn, toku_cachefile_filenum(brt->cf));
if (r==0) {
TOKULOGGER logger = toku_txn_logger(txn);
TXNID xid = toku_txn_get_txnid(txn);
r = toku_log_tablelock_on_empty_table(logger, (LSN*)NULL,
0, toku_cachefile_filenum(brt->cf), xid);
}
return 0;
}
return r;
}
LSN toku_brt_checkpoint_lsn(BRT brt) {

3
newbrt/logformat.c
View file

@ -116,6 +116,9 @@ const struct logtype logtypes[] = {
{"fclose", 'e', FA{{"BYTESTRING", "fname", 0},
{"FILENUM", "filenum", 0},
NULLFIELD}},
{"tablelock_on_empty_table", 'L', FA{{"FILENUM", "filenum", 0},
{"TXNID", "xid", 0},
NULLFIELD}},
{"enq_insert", 'I', FA{{"FILENUM", "filenum", 0},
{"TXNID", "xid", 0},
{"BYTESTRING", "key", 0},

21
newbrt/recover.c
View file

@ -193,6 +193,11 @@ static int toku_recover_backward_xabort (struct logtype_xabort *UU(l), RECOVER_E
return 0;
}
static int toku_recover_backward_tablelock_on_empty_table(struct logtype_tablelock_on_empty_table *UU(l), RECOVER_ENV UU(renv)) {
// nothing
return 0;
}
static void create_dir_from_file (const char *fname) {
char *tmp=toku_strdup(fname);
char ch;
@ -313,6 +318,22 @@ static void toku_recover_enq_insert (LSN lsn, FILENUM filenum, TXNID xid, BYTEST
assert(r == 0);
}
static int toku_recover_tablelock_on_empty_table(LSN UU(lsn), FILENUM filenum, TXNID xid, RECOVER_ENV renv) {
struct cf_pair *pair = NULL;
int r = find_cachefile(&renv->fmap, filenum, &pair);
if (r!=0) {
// if we didn't find a cachefile, then we don't have to do anything.
return 0;
}
TOKUTXN txn;
r = toku_txnid2txn(renv->logger, xid, &txn);
assert(r == 0);
r = toku_brt_note_table_lock(pair->brt, txn);
assert(r == 0);
return 0;
}
static int toku_recover_backward_enq_insert (struct logtype_enq_insert *UU(l), RECOVER_ENV UU(renv)) {
// nothing
return 0;