parentsOf()

Description:

Searches issues which any of their subtasks satisfies the provided subquery.
See also: subtasksOf()

Note:
Since you need to enclose the provided subquery using doble quotes, you must to escape any doble quotes using in the subquery by preceding a backslash after the double quotes, alternatively you can use a single quote in some cases.

Syntax	parentsOf(subquery)
Available since	v1.2.0-RELEASE
Supported fields	Issue
Supported operators	`IN , NOT IN`
Unsupported operators	`= , != , ~ , !~ , > , >= , < , <=` `IS , IS NOT , WAS , WAS IN , WAS NOT , WAS NOT IN , CHANGED`

Examples:

• Find issues which any of their subtasks are 'Open':

issue IN parentsOf("status = Open")

• Find 'Unresolved' issues which any of their subtasks are 'Closed' and their resolution have been set to 'Won't Do'

issue IN parentsOf("resolution = \"Won't Do\" AND status = Closed") AND resolution = Unresolved

• Find issues which all their subtasks have been resolved

issue IN parentsOf("resolution IS NOT EMPTY") AND issue NOT IN parentsOf("resolution IS EMPTY")

Real World Use Cases:

· JQL to find parents where all subtasks are resolved (by Gianni Pucciani at ATLASSIAN Community).
· JQL: Find all open issues of type "Issue Tracker" where all subtasks are closed or resolved (by Normann P. Nielsen at ATLASSIAN Community).

JQL Function Reference