mirror/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2025-02-02 03:51:50 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions

[t:4876], small change to toku_txn_begin relating to input flags

Browse source 
git-svn-id: file:///svn/toku/tokudb@44110 c7de825b-a66e-492c-adef-691d508d4ae1
This commit is contained in:
Zardosht Kasheff 2013-04-17 00:00:42 -04:00 • committed by Yoni Fogel
parent 205f8c4cce
commit 132409840c
1 changed files with 31 additions and 34 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

65
src/ydb_txn.c
View file

@ -374,40 +374,37 @@ toku_txn_begin(DB_ENV *env, DB_TXN * stxn, DB_TXN ** txn, u_int32_t flags) {
}
flags &= ~iso_flags;
if (stxn) {
child_isolation = db_txn_struct_i(stxn)->iso;
}
else {
switch (iso_flags) {
case (DB_INHERIT_ISOLATION):
if (stxn) {
child_isolation = db_txn_struct_i(stxn)->iso;
}
else {
return toku_ydb_do_error(
env,
EINVAL,
"Cannot set DB_INHERIT_ISOLATION when no parent exists\n"
);
}
break;
case (DB_READ_COMMITTED):
child_isolation = TOKU_ISO_READ_COMMITTED;
break;
case (DB_READ_UNCOMMITTED):
child_isolation = TOKU_ISO_READ_UNCOMMITTED;
break;
case (DB_TXN_SNAPSHOT):
child_isolation = TOKU_ISO_SNAPSHOT;
break;
case (DB_SERIALIZABLE):
case (0):
child_isolation = TOKU_ISO_SERIALIZABLE;
break;
default:
assert(FALSE); // error path is above, so this should not happen
break;
}
switch (iso_flags) {
case (DB_INHERIT_ISOLATION):
if (stxn) {
child_isolation = db_txn_struct_i(stxn)->iso;
}
else {
return toku_ydb_do_error(
env,
EINVAL,
"Cannot set DB_INHERIT_ISOLATION when no parent exists\n"
);
}
break;
case (DB_READ_COMMITTED):
child_isolation = TOKU_ISO_READ_COMMITTED;
break;
case (DB_READ_UNCOMMITTED):
child_isolation = TOKU_ISO_READ_UNCOMMITTED;
break;
case (DB_TXN_SNAPSHOT):
child_isolation = TOKU_ISO_SNAPSHOT;
break;
case (DB_SERIALIZABLE):
child_isolation = TOKU_ISO_SERIALIZABLE;
break;
case (0):
child_isolation = stxn ? db_txn_struct_i(stxn)->iso : TOKU_ISO_SERIALIZABLE;
break;
default:
assert(FALSE); // error path is above, so this should not happen
break;
}
if (stxn && child_isolation != db_txn_struct_i(stxn)->iso) {
return toku_ydb_do_error(