summaryrefslogtreecommitdiff
path: root/src/mongo/db/ops/count.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/mongo/db/ops/count.h')
-rw-r--r--src/mongo/db/ops/count.h30
1 files changed, 30 insertions, 0 deletions
diff --git a/src/mongo/db/ops/count.h b/src/mongo/db/ops/count.h
new file mode 100644
index 00000000000..807741e1253
--- /dev/null
+++ b/src/mongo/db/ops/count.h
@@ -0,0 +1,30 @@
+// count.h
+
+/**
+ * Copyright (C) 2008 10gen Inc.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License, version 3,
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "../jsobj.h"
+#include "../diskloc.h"
+
+namespace mongo {
+
+ /**
+ * { count: "collectionname"[, query: <query>] }
+ * @return -1 on ns does not exist error and other errors, 0 on other errors, otherwise the match count.
+ */
+ long long runCount(const char *ns, const BSONObj& cmd, string& err);
+
+} // namespace mongo