Changes to support refactor in frappe pg-poc branch (#15287)

* Remove quotes from sql to make it compatible with postgres as well

* Fix queries
- Replace mysql specifc queries with standard ones

* Make repo URL chages to test pg-poc

* Add root passowrd to test site config

* Fix quotes issue

* Remove debug flag from a pricing rule query

* Remove python 3.6 version from travis.yml

* Fix improper query issue

* Fix incorrect query

* Fix a query

- This fix need to be changed when we will  start supporting postgres
since date_format is not supported by postgres

* Get price list map as dict

* Convert price_list_currency_map to dict

erpnext/projects/utils.py

@@ -23,6 +23,6 @@ def query_task(doctype, txt, searchfield, start, page_len, filters):
 			`%s`,
 			subject
 		limit %s, %s""" %
-		(frappe.db.escape(searchfield), "%s", "%s", match_conditions, "%s",
-			frappe.db.escape(searchfield), "%s", frappe.db.escape(searchfield), "%s", "%s"),
+		(searchfield, "%s", "%s", match_conditions, "%s",
+			searchfield, "%s", searchfield, "%s", "%s"),
 		(search_string, search_string, order_by_string, order_by_string, start, page_len))