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lmdb: Cleanup mtest* and sample-*.

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Fix mdb_txn_begin(&read-only txn) calls. Test mdb_env_set_maxreaders().
Rename DBI open/close functions. Move mdb_dbi_close() out of txn.

Change-Id: I05c58bfd5d90b7b291718036a3c49ef6ba017ac8
This commit is contained in:
Hallvard Furuseth
2015-04-14 20:25:51 +02:00
committed by Leo Yuriev
parent 2ce1fcbb8f
commit 024c5bfb60
7 changed files with 39 additions and 35 deletions
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12
mtest5.c
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@@ -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;
}