1 files changed, 40 insertions, 0 deletions
diff --git a/storage/mroonga/vendor/groonga/lib/grn_window_function.h b/storage/mroonga/vendor/groonga/lib/grn_window_function.h
new file mode 100644
index 00000000..c5894241
--- /dev/null
+++ b/storage/mroonga/vendor/groonga/lib/grn_window_function.h
@@ -0,0 +1,40 @@
+/* -*- c-basic-offset: 2 -*- */
+/*
+  Copyright(C) 2016-2017 Brazil
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library 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
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1335  USA
+*/
+
+#pragma once
+
+struct _grn_window {
+  grn_obj *table;
+  grn_obj *grouped_table;
+  grn_obj ids;
+  size_t n_ids;
+  ssize_t current_index;
+  grn_window_direction direction;
+  grn_bool is_sorted;
+};
+
+grn_rc grn_window_init(grn_ctx *ctx,
+                       grn_window *window,
+                       grn_obj *table,
+                       grn_bool is_sorted);
+grn_rc grn_window_fin(grn_ctx *ctx, grn_window *window);
+
+#ifdef __cplusplus
+}
+#endif