Fix sample data CSV query to only fetch distinct samples

There's probably a better way to fix this query (it was previously returning each sample twice), but DISTINCT was the easiest way I could come up with

1 files changed, 1 insertions, 1 deletions

diff --git a/gn3/db/sample_data.py b/gn3/db/sample_data.py
index 29a35d6..5dad923 100644
--- a/gn3/db/sample_data.py
+++ b/gn3/db/sample_data.py
@@ -89,7 +89,7 @@ def get_trait_csv_sample_data(
     """Fetch a trait and return it as a csv string"""
     with conn.cursor() as cursor:
         cursor.execute("""
-SELECT concat(st.Name, ',', ifnull(pd.value, 'x'), ',',
+SELECT DISTINCT concat(st.Name, ',', ifnull(pd.value, 'x'), ',',
 ifnull(ps.error, 'x'), ',', ifnull(ns.count, 'x')) AS 'Data'
 FROM PublishFreeze pf JOIN PublishXRef px ON px.InbredSetId = pf.InbredSetId
 JOIN PublishData pd ON pd.Id = px.DataId JOIN Strain st ON pd.StrainId = st.Id