From b27fb1b6975faa490b9f7b54f9f5168a0122e045 Mon Sep 17 00:00:00 2001
From: Nicolas Tsiftes <nvt@sics.se>
Date: Wed, 7 Aug 2013 10:43:13 +0200
Subject: [PATCH] Prevent erroneous index creation for non-numerical
 attributes.

---
 apps/antelope/index.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/apps/antelope/index.c b/apps/antelope/index.c
index 0972c48b0..0a7e53dc1 100644
--- a/apps/antelope/index.c
+++ b/apps/antelope/index.c
@@ -91,6 +91,11 @@ index_create(index_type_t index_type, relation_t *rel, attribute_t *attr)
     return DB_STORAGE_ERROR;
   }
 
+  if(attr->domain != DOMAIN_INT && attr->domain != DOMAIN_LONG) {
+    PRINTF("DB: Cannot create an index for a non-number attribute!\n");
+    return DB_INDEX_ERROR;
+  }
+
   api = find_index_api(index_type);
   if(api == NULL) {
     PRINTF("DB: No API for index type %d\n", (int)index_type);