From d5429e88dda2c55e8b79ef741cb9a7decf2590ee Mon Sep 17 00:00:00 2001
From: Lionel Sambuc <lionel.sambuc@epfl.ch>
Date: Wed, 4 Dec 2019 11:04:01 +0100
Subject: [PATCH] Filter out the label used for the selection.

---
 src/database/db_core.rs | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/database/db_core.rs b/src/database/db_core.rs
index 4a15d35..f8654c7 100644
--- a/src/database/db_core.rs
+++ b/src/database/db_core.rs
@@ -374,7 +374,13 @@ impl Core {
                 let mut r = s
                     .get_by_positions(&p, parameters)?
                     .into_iter()
-                    .map(|(position, fields)| (position, &self.properties[fields.value()]))
+                    .filter_map(|(position, fields)| {
+                        if fields.value() == offset {
+                            None
+                        } else {
+                            Some((position, &self.properties[fields.value()]))
+                        }
+                    })
                     .collect::<Vec<_>>();
 
                 Self::decode_positions(r.as_mut_slice(), to, db, output_space)?;