Feature/add simple script to check uid duplicates in db

DHIS2/find_duplicates_in_db/duplicate_uids_in_db.py

@@ -0,0 +1,37 @@
+import psycopg2
+
+con = psycopg2.connect(database="", user="", password="", host="127.0.0.1", port="5434")
+print("Database opened successfully")
+
+cur = con.cursor()
+
+cur.execute("select t.table_schema, t.table_name from information_schema.tables t inner join information_schema.columns c on c.table_name = t.table_name and c.table_schema = t.table_schema where c.column_name = 'uid' and t.table_schema not in ('information_schema', 'pg_catalog') and t.table_type = 'BASE TABLE' order by t.table_schema;");
+
+rows = cur.fetchall()
+tables = []
+
+
+for row in rows:
+    tables.append(row[1])
+for table in tables:
+    if table in ["audit", "deletedobject", "visualization"]:
+        continue
+    print(table)
+    cur.execute("select uid from "+table+";");
+    rows = cur.fetchall()
+    active_uid = []
+    for row in rows:
+        active_uid.append(row[0])
+    for tableB in tables:
+        if tableB in ["audit", "deletedobject", "visualization"]:
+            continue
+        if tableB != table:
+            cur.execute("select uid from "+tableB+";");
+            rows = cur.fetchall()
+            for row in rows:
+                if row[0] in active_uid:
+                        print ({"id": row[0], "typeA": table, "typeB": tableB},)
+
+
+con.close()
+