Fixed the duplicate slots view.
The script would not clear the screen upon recalculation also the list of duplicates would increase with every iteration because the variables weren't properly reset.
Patch by: Merio Ferraro, Lennard de Rijk
Reviewed by: to-be-reviewed
from django.db.backends.postgresql.introspection import DatabaseIntrospection as PostgresDatabaseIntrospection
class DatabaseIntrospection(PostgresDatabaseIntrospection):
def get_relations(self, cursor, table_name):
"""
Returns a dictionary of {field_index: (field_index_other_table, other_table)}
representing all relationships to the given table. Indexes are 0-based.
"""
cursor.execute("""
SELECT con.conkey, con.confkey, c2.relname
FROM pg_constraint con, pg_class c1, pg_class c2
WHERE c1.oid = con.conrelid
AND c2.oid = con.confrelid
AND c1.relname = %s
AND con.contype = 'f'""", [table_name])
relations = {}
for row in cursor.fetchall():
# row[0] and row[1] are single-item lists, so grab the single item.
relations[row[0][0] - 1] = (row[1][0] - 1, row[2])
return relations