Sub-tasks imported to a cloud JIRA without links to parent tasks

Question

I want to evaluate Portfolio in a JIRA cloud. What I do.

* Export some issues from another JIRA instance. I export them in XLS, than remove useless fields, and finally save the table with issues as a CSV file.
* Import this CSV file to my JIRA Software - the one that I evaluate along with Portfolio.
* The issue is that all sub-tasks are of the type "Sub-task", but the links to parent issues are missed.
* Which fields should I preserve in the CSV file? 
"Sub-task" is not mapped during the export? "Parent Id" doesn't exist.

Devtools_Barclays · Answer

JIRA doesn't EXPORT [Issue ID] and [Parent ID].

JIRA exports [Sub-Tasks] field for the parent issues.

You can transpose it to the [Issue ID] and [Parent ID].

Also JIRA helps to know ParentID using it as a prefix to the Sub-Task's [Summary] field.

You can write a formula to split exported [Summary] for sub-tasks to [Parent ID] and [Original Summary]

Oleksandr Vorobiov · Answer

Hi

No. It doesn't help. Let me paraphrase.* I search for issues – tasks and sub-tasks.
* I click Export > Excel (All fields).
* In the export file there are no fields Parent Id and Issue Id.

Rodrigo Silva · Answer

The "Parent Id" might not be shown as an option at Wizard, but JIRA will recognize it through the values you're point through the CSV"

* To create a sub-task of a regular issue in your CSV file, reference the unique Issue Id number of the regular issue in the Parent Id column. Do not include any value in the Issue Id fields for sub-tasks.

I hope that helps!

Cheers,

Rodrigo Silva