1 files changed, 19 insertions, 0 deletions
diff --git a/storage/mroonga/vendor/groonga/lib/mrb/mrb_column.c b/storage/mroonga/vendor/groonga/lib/mrb/mrb_column.c
index 1d3bbb69422..68aadce6658 100644
--- a/storage/mroonga/vendor/groonga/lib/mrb/mrb_column.c
+++ b/storage/mroonga/vendor/groonga/lib/mrb/mrb_column.c
@@ -25,9 +25,25 @@
 
 #include "mrb_ctx.h"
 #include "mrb_column.h"
+#include "mrb_bulk.h"
 #include "mrb_converter.h"
 
 static mrb_value
+mrb_grn_column_array_reference(mrb_state *mrb, mrb_value self)
+{
+  grn_ctx *ctx = (grn_ctx *)mrb->ud;
+  grn_obj *column;
+  grn_id record_id;
+  grn_obj *column_value;
+
+  column = DATA_PTR(self);
+  mrb_get_args(mrb, "i", &record_id);
+
+  column_value = grn_obj_get_value(ctx, column, record_id, NULL);
+  return grn_mrb_value_from_grn_obj(mrb, column_value);
+}
+
+static mrb_value
 mrb_grn_column_is_locked(mrb_state *mrb, mrb_value self)
 {
   grn_ctx *ctx = (grn_ctx *)mrb->ud;
@@ -65,6 +81,9 @@ grn_mrb_column_init(grn_ctx *ctx)
   klass = mrb_define_class_under(mrb, module, "Column", object_class);
   MRB_SET_INSTANCE_TT(klass, MRB_TT_DATA);
 
+  mrb_define_method(mrb, klass, "[]",
+                    mrb_grn_column_array_reference, MRB_ARGS_REQ(1));
+
   mrb_define_method(mrb, klass, "locked?",
                     mrb_grn_column_is_locked, MRB_ARGS_NONE());