Added script for removing experiments from the db

Author: Yuval-Roth

database/remove_experiments.sql

@@ -0,0 +1,38 @@
+-- Script for manually removing experiments
+-- and all the data related to them
+
+BEGIN TRANSACTION;
+CREATE TEMP TABLE expids as 
+SELECT unnest(ARRAY[
+-- \/ ids list separated by commas \/
+--     for example: 1,2,3,4,5,6
+
+143,144,145,146
+
+-------------------------------------
+]) as exp_id;
+
+CREATE TEMP TABLE sids as (
+	SELECT session_id 
+	FROM sessions
+	WHERE exp_id IN (SELECT exp_id FROM expids)
+);
+
+DELETE FROM sessionevents
+WHERE session_id IN (SELECT session_id FROM sids);
+
+DELETE FROM sessionsfeedback
+WHERE session_id IN (SELECT session_id FROM sids);
+
+DELETE FROM sessions
+WHERE session_id IN (SELECT session_id FROM sids);
+
+DELETE FROM experimentsfeedback
+WHERE exp_id IN (SELECT session_id FROM sids);
+
+DELETE FROM experiments
+WHERE exp_id IN (SELECT exp_id FROM expids);
+
+-- return the end result to be able to review before committing
+SELECT * FROM experiments
+ORDER BY exp_id DESC;