How to query for association in Remote System Reference
Associations IDs for Remote System Reference are appended with a comma in the TEXTVALUE field.
 Instructions
Example query
select concat(jp.pkey, '-', ji.issuenum) as PKEY, cfv.textvalue, cfv.stringvalue, cf.id, cf.cfname, cf.customfieldtypekey
from project jp, jiraissue ji, customfield cf, customfieldvalue cfv
where jp.id = ji.project
and cfv.issue = ji.id
and cf.id = cfv.customfield
and (cf.customfieldtypekey = 'net.customware.plugins.connector.atlassian.jira-connector-plugin:remotesystem-id-customfield')
order by jp.pkey, ji.issuenum;
This query is built for the Postgres database; modify it as needed.
Example results
pkey|textvalue|stringvalue|id|cfname|customfieldtypekey
SRAP-25|5005j00000TmIDiAAN|NULL|10700|Classic Case Reference|net.customware.plugins.connector.atlassian.jira-connector-plugin:remotesystem-id-customfield
SRAP-26|5005j00000TnMmFAAV|NULL|10700|Classic Case Reference|net.customware.plugins.connector.atlassian.jira-connector-plugin:remotesystem-id-customfield
SRAP-27|5005j00000TnMndAAF|NULL|10700|Classic Case Reference|net.customware.plugins.connector.atlassian.jira-connector-plugin:remotesystem-id-customfield
TFBSD-2|5005j000008wRh7AAE,5005j000008wRCnAAM|NULL|10700|Classic Case Reference|net.customware.plugins.connector.atlassian.jira-connector-plugin:remotesystem-id-customfield
TFBSD-3|5005j000008wRhHAAU|NULL|10700|Classic Case Reference|net.customware.plugins.connector.atlassian.jira-connector-plugin:remotesystem-id-customfield