geoserver 2.21.1, Postgresql Hello,
Question: How can I add randomness to App Schema idExpression while joining support is active? (then random() is not supported) Background: * App Schema automatically encodes the ids based on <tablename>.<primarykey>. * Ids have to be unique within the output document, else the document will not validate. If a mapping file repeatedly chains the same feature and there the same content (same line in the table, same primary key), the generated id is the same. (For me this happens with a mapping file that chains responsible party (gmd:CI_ResponsibleParty) in several places. When the same party is responsible more than once, the generated ids are the same and thus, the output document does not validate). As all data are the same in these multiple occurrences, the only solution I see is to add a random string/number. To concatenate random() in the idExpression is a solution in case joining support is deactivated. However, with activated joining support, it generates an error (only database functions are supported, as indicated in the documentation). But when I turn of joining support, JDBC multi values support seems to be deactivated as well. Thus, this is not a solution. Therefore, I need a solution for adding randomness while joining support is active. Thanks in advance for any help on this topic, Henning The funny thing is that the same app schema mapping with random() and multiple values did work and produce valid output on a now decommissioned server. The geoserver version was in the range 2.14-2.16, and I can't recall whether joining support was active. Maybe it just was a coincidence, or something has changed in geoserver. När du har kontakt med oss på Uppsala universitet med e-post så innebär det att vi behandlar dina personuppgifter. För att läsa mer om hur vi gör det kan du läsa här: http://www.uu.se/om-uu/dataskydd-personuppgifter/ E-mailing Uppsala University means that we will process your personal data. For more information on how this is performed, please read here: http://www.uu.se/en/about-uu/data-protection-policy
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