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https://jira.nuxeo.com/browse/NXP-8001?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=106899#comment-106899
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Florent Guillaume commented on NXP-8001:
----------------------------------------
In this case the {{DISTINCT}} shouldn't be there and this would work.
But for a query like:
{code}
SELECT * from Document where ecm:isProxy = 0 and dc:subject/* = 'foo' ORDER BY
dc:title
{code}
there will be a {{DISTINCT}} but we can generate a proper SQL query
nevertheless by adding dc:title to the select list.
But an {{ORDER BY}} on an array or complex list element will still be illegal
in the {{SELECT *}} case, or in the {{SELECT DISTINCT}} case if it's not also
in the select list.
> querying for complex types and ordering is failing
> --------------------------------------------------
>
> Key: NXP-8001
> URL: https://jira.nuxeo.com/browse/NXP-8001
> Project: Nuxeo Enterprise Platform
> Issue Type: Bug
> Components: Core SQL Storage
> Affects Versions: 5.5-SNAPSHOT
> Reporter: Stéphane Lacoin
> Assignee: Florent Guillaume
> Priority: Major
> Fix For: 5.5
>
>
> Cannot execute queries with constraints on complex types and with an ordering
> clause. The generated SQL statements is not correct. The ordering field is
> not included in the output fields, but it's required (on PostgreSQL at least)
> when there's a {{DISTINCT}}.
> {code}
> SELECT * from Document where ecm:isProxy = 0 and content/name =
> 'testfile.txt' ORDER BY dc:title
> {code}
> {noformat}
> SELECT DISTINCT "HIERARCHY"."ID" AS "_C1"
> FROM "HIERARCHY"
> JOIN "HIERARCHY" "_H1" ON "HIERARCHY"."ID" = "_H1"."PARENTID"
> LEFT JOIN "CONTENT" "_F1" ON "_H1"."ID" = "_F1"."ID"
> LEFT JOIN "DUBLINCORE" "_F2" ON "HIERARCHY"."ID" = "_F2"."ID"
> WHERE "HIERARCHY"."PRIMARYTYPE" IN ('Document', '...')
> AND "_F1"."NAME" = 'testfile.txt'
> AND "_H1"."NAME" = 'content'
> ORDER BY "_F2"."TITLE"
> {noformat}
> {noformat}
> ERROR: for SELECT DISTINCT, ORDER BY expressions must appear in select list
> {noformat}
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