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-rw-r--r--gn3/db/traits.py26
1 files changed, 26 insertions, 0 deletions
diff --git a/gn3/db/traits.py b/gn3/db/traits.py
index a773fb2..ec4fa5a 100644
--- a/gn3/db/traits.py
+++ b/gn3/db/traits.py
@@ -1 +1,27 @@
+"""This class contains functions relating to trait data manipulation"""
+from typing import Any
+
+
+def get_trait_csv_sample_data(conn: Any,
+ trait_name: int, phenotype_id: int):
+ """Fetch a trait and return it as a csv string"""
+ sql = ("SELECT Strain.Id, PublishData.Id, Strain.Name, "
+ "PublishData.value, "
+ "PublishSE.error, NStrain.count FROM "
+ "(PublishData, Strain, PublishXRef, PublishFreeze) "
+ "LEFT JOIN PublishSE ON "
+ "(PublishSE.DataId = PublishData.Id AND "
+ "PublishSE.StrainId = PublishData.StrainId) "
+ "LEFT JOIN NStrain ON (NStrain.DataId = PublishData.Id AND "
+ "NStrain.StrainId = PublishData.StrainId) WHERE "
+ "PublishXRef.InbredSetId = PublishFreeze.InbredSetId AND "
+ "PublishData.Id = PublishXRef.DataId AND "
+ "PublishXRef.Id = %s AND PublishXRef.PhenotypeId = %s "
+ "AND PublishData.StrainId = Strain.Id Order BY Strain.Name")
+ csv_data = ["Strain Id, Publish Data Id,Strain Name,Value,SE,Count"]
with conn.cursor() as cursor:
+ cursor.execute(sql, (trait_name, phenotype_id,))
+ for record in cursor.fetchall():
+ csv_data.append(",".join([str(val) if val else "x"
+ for val in record]))
+ return "\n".join(csv_data)