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Merge remote-tracking branch 'origin/mdb.RE/0.9'

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This commit is contained in:
Quanah Gibson-Mount 2015-04-22 14:59:19 -05:00
commit 14815f318b
9 changed files with 50 additions and 42 deletions
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16
libraries/liblmdb/lmdb.h
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@ -1021,14 +1021,16 @@ int mdb_txn_renew(MDB_txn *txn);
* The database handle may be discarded by calling #mdb_dbi_close().
* The old database handle is returned if the database was already open.
* The handle may only be closed once.
*
* The database handle will be private to the current transaction until
* the transaction is successfully committed. If the transaction is
* aborted the handle will be closed automatically.
* After a successful commit the
* handle will reside in the shared environment, and may be used
* by other transactions. This function must not be called from
* multiple concurrent transactions in the same process. A transaction
* that uses this function must finish (either commit or abort) before
* After a successful commit the handle will reside in the shared
* environment, and may be used by other transactions.
*
* This function must not be called from multiple concurrent
* transactions in the same process. A transaction that uses
* this function must finish (either commit or abort) before
* any other transaction in the process may use this function.
*
* To use named databases (with name != NULL), #mdb_env_set_maxdbs()
@ -1450,7 +1452,7 @@ int mdb_cursor_get(MDB_cursor *cursor, MDB_val *key, MDB_val *data,
* <ul>
* <li>#MDB_MAP_FULL - the database is full, see #mdb_env_set_mapsize().
* <li>#MDB_TXN_FULL - the transaction has too many dirty pages.
* <li>EACCES - an attempt was made to modify a read-only database.
* <li>EACCES - an attempt was made to write in a read-only transaction.
* <li>EINVAL - an invalid parameter was specified.
* </ul>
*/
@ -1470,7 +1472,7 @@ int mdb_cursor_put(MDB_cursor *cursor, MDB_val *key, MDB_val *data,
* @return A non-zero error value on failure and 0 on success. Some possible
* errors are:
* <ul>
* <li>EACCES - an attempt was made to modify a read-only database.
* <li>EACCES - an attempt was made to write in a read-only transaction.
* <li>EINVAL - an invalid parameter was specified.
* </ul>
*/

2
libraries/liblmdb/mdb.c
View File

@ -2491,6 +2491,7 @@ mdb_txn_renew0(MDB_txn *txn)
int rc, new_notls = 0;
if (txn->mt_flags & MDB_TXN_RDONLY) {
txn->mt_flags = MDB_TXN_RDONLY;
/* Setup db info */
txn->mt_numdbs = env->me_numdbs;
txn->mt_dbxs = env->me_dbxs; /* mostly static anyway */
@ -7088,6 +7089,7 @@ mdb_cursor_init(MDB_cursor *mc, MDB_txn *txn, MDB_dbi dbi, MDB_xcursor *mx)
mc->mc_snum = 0;
mc->mc_top = 0;
mc->mc_pg[0] = 0;
mc->mc_ki[0] = 0;
mc->mc_flags = 0;
if (txn->mt_dbs[dbi].md_flags & MDB_DUPSORT) {
mdb_tassert(txn, mx != NULL);

12
libraries/liblmdb/mtest.c
View File

@ -45,10 +45,12 @@ int main(int argc,char * argv[])
}
E(mdb_env_create(&env));
E(mdb_env_set_maxreaders(env, 1));
E(mdb_env_set_mapsize(env, 10485760));
E(mdb_env_open(env, "./testdb", MDB_FIXEDMAP /*|MDB_NOSYNC*/, 0664));
E(mdb_txn_begin(env, NULL, 0, &txn));
E(mdb_open(txn, NULL, 0, &dbi));
E(mdb_dbi_open(txn, NULL, 0, &dbi));
key.mv_size = sizeof(int);
key.mv_data = sval;
@ -68,7 +70,7 @@ int main(int argc,char * argv[])
E(mdb_txn_commit(txn));
E(mdb_env_stat(env, &mst));
E(mdb_txn_begin(env, NULL, 1, &txn));
E(mdb_txn_begin(env, NULL, MDB_RDONLY, &txn));
E(mdb_cursor_open(txn, dbi, &cursor));
while ((rc = mdb_cursor_get(cursor, &key, &data, MDB_NEXT)) == 0) {
printf("key: %p %.*s, data: %p %.*s\n",
@ -97,7 +99,7 @@ int main(int argc,char * argv[])
printf("Deleted %d values\n", j);
E(mdb_env_stat(env, &mst));
E(mdb_txn_begin(env, NULL, 1, &txn));
E(mdb_txn_begin(env, NULL, MDB_RDONLY, &txn));
E(mdb_cursor_open(txn, dbi, &cursor));
printf("Cursor next\n");
while ((rc = mdb_cursor_get(cursor, &key, &data, MDB_NEXT)) == 0) {
@ -164,9 +166,9 @@ int main(int argc,char * argv[])
data.mv_data, (int) data.mv_size, (char *) data.mv_data);
}
mdb_cursor_close(cursor);
mdb_close(env, dbi);
mdb_txn_abort(txn);
mdb_dbi_close(env, dbi);
mdb_env_close(env);
return 0;

13
libraries/liblmdb/mtest2.c
View File

@ -47,11 +47,13 @@ int main(int argc,char * argv[])
}
E(mdb_env_create(&env));
E(mdb_env_set_maxreaders(env, 1));
E(mdb_env_set_mapsize(env, 10485760));
E(mdb_env_set_maxdbs(env, 4));
E(mdb_env_open(env, "./testdb", MDB_FIXEDMAP|MDB_NOSYNC, 0664));
E(mdb_txn_begin(env, NULL, 0, &txn));
E(mdb_open(txn, "id1", MDB_CREATE, &dbi));
E(mdb_dbi_open(txn, "id1", MDB_CREATE, &dbi));
key.mv_size = sizeof(int);
key.mv_data = sval;
@ -68,7 +70,7 @@ int main(int argc,char * argv[])
E(mdb_txn_commit(txn));
E(mdb_env_stat(env, &mst));
E(mdb_txn_begin(env, NULL, 1, &txn));
E(mdb_txn_begin(env, NULL, MDB_RDONLY, &txn));
E(mdb_cursor_open(txn, dbi, &cursor));
while ((rc = mdb_cursor_get(cursor, &key, &data, MDB_NEXT)) == 0) {
printf("key: %p %.*s, data: %p %.*s\n",
@ -97,7 +99,7 @@ int main(int argc,char * argv[])
printf("Deleted %d values\n", j);
E(mdb_env_stat(env, &mst));
E(mdb_txn_begin(env, NULL, 1, &txn));
E(mdb_txn_begin(env, NULL, MDB_RDONLY, &txn));
E(mdb_cursor_open(txn, dbi, &cursor));
printf("Cursor next\n");
while ((rc = mdb_cursor_get(cursor, &key, &data, MDB_NEXT)) == 0) {
@ -114,10 +116,9 @@ int main(int argc,char * argv[])
}
CHECK(rc == MDB_NOTFOUND, "mdb_cursor_get");
mdb_cursor_close(cursor);
mdb_close(env, dbi);
mdb_txn_abort(txn);
mdb_env_close(env);
mdb_dbi_close(env, dbi);
mdb_env_close(env);
return 0;
}

12
libraries/liblmdb/mtest3.c
View File

@ -53,8 +53,9 @@ int main(int argc,char * argv[])
E(mdb_env_set_mapsize(env, 10485760));
E(mdb_env_set_maxdbs(env, 4));
E(mdb_env_open(env, "./testdb", MDB_FIXEDMAP|MDB_NOSYNC, 0664));
E(mdb_txn_begin(env, NULL, 0, &txn));
E(mdb_open(txn, "id2", MDB_CREATE|MDB_DUPSORT, &dbi));
E(mdb_dbi_open(txn, "id2", MDB_CREATE|MDB_DUPSORT, &dbi));
key.mv_size = sizeof(int);
key.mv_data = kval;
@ -73,7 +74,7 @@ int main(int argc,char * argv[])
E(mdb_txn_commit(txn));
E(mdb_env_stat(env, &mst));
E(mdb_txn_begin(env, NULL, 1, &txn));
E(mdb_txn_begin(env, NULL, MDB_RDONLY, &txn));
E(mdb_cursor_open(txn, dbi, &cursor));
while ((rc = mdb_cursor_get(cursor, &key, &data, MDB_NEXT)) == 0) {
printf("key: %p %.*s, data: %p %.*s\n",
@ -107,7 +108,7 @@ int main(int argc,char * argv[])
printf("Deleted %d values\n", j);
E(mdb_env_stat(env, &mst));
E(mdb_txn_begin(env, NULL, 1, &txn));
E(mdb_txn_begin(env, NULL, MDB_RDONLY, &txn));
E(mdb_cursor_open(txn, dbi, &cursor));
printf("Cursor next\n");
while ((rc = mdb_cursor_get(cursor, &key, &data, MDB_NEXT)) == 0) {
@ -124,10 +125,9 @@ int main(int argc,char * argv[])
}
CHECK(rc == MDB_NOTFOUND, "mdb_cursor_get");
mdb_cursor_close(cursor);
mdb_close(env, dbi);
mdb_txn_abort(txn);
mdb_env_close(env);
mdb_dbi_close(env, dbi);
mdb_env_close(env);
return 0;
}

12
libraries/liblmdb/mtest4.c
View File

@ -51,8 +51,9 @@ int main(int argc,char * argv[])
E(mdb_env_set_mapsize(env, 10485760));
E(mdb_env_set_maxdbs(env, 4));
E(mdb_env_open(env, "./testdb", MDB_FIXEDMAP|MDB_NOSYNC, 0664));
E(mdb_txn_begin(env, NULL, 0, &txn));
E(mdb_open(txn, "id4", MDB_CREATE|MDB_DUPSORT|MDB_DUPFIXED, &dbi));
E(mdb_dbi_open(txn, "id4", MDB_CREATE|MDB_DUPSORT|MDB_DUPFIXED, &dbi));
key.mv_size = sizeof(int);
key.mv_data = kval;
@ -72,7 +73,7 @@ int main(int argc,char * argv[])
/* there should be one full page of dups now.
*/
E(mdb_txn_begin(env, NULL, 1, &txn));
E(mdb_txn_begin(env, NULL, MDB_RDONLY, &txn));
E(mdb_cursor_open(txn, dbi, &cursor));
while ((rc = mdb_cursor_get(cursor, &key, &data, MDB_NEXT)) == 0) {
printf("key: %p %.*s, data: %p %.*s\n",
@ -142,7 +143,7 @@ int main(int argc,char * argv[])
printf("Deleted %d values\n", j);
E(mdb_env_stat(env, &mst));
E(mdb_txn_begin(env, NULL, 1, &txn));
E(mdb_txn_begin(env, NULL, MDB_RDONLY, &txn));
E(mdb_cursor_open(txn, dbi, &cursor));
printf("Cursor next\n");
while ((rc = mdb_cursor_get(cursor, &key, &data, MDB_NEXT)) == 0) {
@ -159,10 +160,9 @@ int main(int argc,char * argv[])
}
CHECK(rc == MDB_NOTFOUND, "mdb_cursor_get");
mdb_cursor_close(cursor);
mdb_close(env, dbi);
mdb_txn_abort(txn);
mdb_env_close(env);
mdb_dbi_close(env, dbi);
mdb_env_close(env);
return 0;
}

12
libraries/liblmdb/mtest5.c
View File

@ -53,8 +53,9 @@ int main(int argc,char * argv[])
E(mdb_env_set_mapsize(env, 10485760));
E(mdb_env_set_maxdbs(env, 4));
E(mdb_env_open(env, "./testdb", MDB_FIXEDMAP|MDB_NOSYNC, 0664));
E(mdb_txn_begin(env, NULL, 0, &txn));
E(mdb_open(txn, "id2", MDB_CREATE|MDB_DUPSORT, &dbi));
E(mdb_dbi_open(txn, "id2", MDB_CREATE|MDB_DUPSORT, &dbi));
E(mdb_cursor_open(txn, dbi, &cursor));
key.mv_size = sizeof(int);
@ -75,7 +76,7 @@ int main(int argc,char * argv[])
E(mdb_txn_commit(txn));
E(mdb_env_stat(env, &mst));
E(mdb_txn_begin(env, NULL, 1, &txn));
E(mdb_txn_begin(env, NULL, MDB_RDONLY, &txn));
E(mdb_cursor_open(txn, dbi, &cursor));
while ((rc = mdb_cursor_get(cursor, &key, &data, MDB_NEXT)) == 0) {
printf("key: %p %.*s, data: %p %.*s\n",
@ -109,7 +110,7 @@ int main(int argc,char * argv[])
printf("Deleted %d values\n", j);
E(mdb_env_stat(env, &mst));
E(mdb_txn_begin(env, NULL, 1, &txn));
E(mdb_txn_begin(env, NULL, MDB_RDONLY, &txn));
E(mdb_cursor_open(txn, dbi, &cursor));
printf("Cursor next\n");
while ((rc = mdb_cursor_get(cursor, &key, &data, MDB_NEXT)) == 0) {
@ -126,10 +127,9 @@ int main(int argc,char * argv[])
}
CHECK(rc == MDB_NOTFOUND, "mdb_cursor_get");
mdb_cursor_close(cursor);
mdb_close(env, dbi);
mdb_txn_abort(txn);
mdb_env_close(env);
mdb_dbi_close(env, dbi);
mdb_env_close(env);
return 0;
}

9
libraries/liblmdb/mtest6.c
View File

@ -46,8 +46,9 @@ int main(int argc,char * argv[])
E(mdb_env_set_mapsize(env, 10485760));
E(mdb_env_set_maxdbs(env, 4));
E(mdb_env_open(env, "./testdb", MDB_FIXEDMAP|MDB_NOSYNC, 0664));
E(mdb_txn_begin(env, NULL, 0, &txn));
E(mdb_open(txn, "id6", MDB_CREATE|MDB_INTEGERKEY, &dbi));
E(mdb_dbi_open(txn, "id6", MDB_CREATE|MDB_INTEGERKEY, &dbi));
E(mdb_cursor_open(txn, dbi, &cursor));
E(mdb_stat(txn, dbi, &mst));
@ -110,7 +111,7 @@ int main(int argc,char * argv[])
printf("Deleted %d values\n", j);
E(mdb_env_stat(env, &mst));
E(mdb_txn_begin(env, NULL, 1, &txn));
E(mdb_txn_begin(env, NULL, MDB_RDONLY, &txn));
E(mdb_cursor_open(txn, dbi, &cursor));
printf("Cursor next\n");
while ((rc = mdb_cursor_get(cursor, &key, &data, MDB_NEXT)) == 0) {
@ -127,9 +128,9 @@ int main(int argc,char * argv[])
}
CHECK(rc == MDB_NOTFOUND, "mdb_cursor_get");
mdb_cursor_close(cursor);
mdb_close(env, dbi);
mdb_txn_abort(txn);
mdb_dbi_close(env, dbi);
#endif
mdb_env_close(env);

4
libraries/liblmdb/sample-mdb.txt
View File

@ -32,7 +32,7 @@ int main(int argc,char * argv[])
rc = mdb_env_create(&env);
rc = mdb_env_open(env, "./testdb", 0, 0664);
rc = mdb_txn_begin(env, NULL, 0, &txn);
rc = mdb_open(txn, NULL, 0, &dbi);
rc = mdb_dbi_open(txn, NULL, 0, &dbi);
key.mv_size = sizeof(int);
key.mv_data = sval;
@ -56,7 +56,7 @@ int main(int argc,char * argv[])
mdb_cursor_close(cursor);
mdb_txn_abort(txn);
leave:
mdb_close(env, dbi);
mdb_dbi_close(env, dbi);
mdb_env_close(env);
return 0;
}