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https://issues.apache.org/jira/browse/CAY-2507?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Arseni Bulatski updated CAY-2507:
---------------------------------
Description:
Add method to create aliases for properties.
Cab be used in qualifiers to have several joins to one table, in orderings, in
column queries and having qualifiers.
Supported by relationship properties.
Example:
ObjectSelect.query(Artist.class)
.where(Artist.PAINTING_ARRAY.alias("p1").dot(Painting.PAINTING_TITLE).eq("painting2"))
.and(Artist.PAINTING_ARRAY.alias("p2").dot(Painting.PAINTING_TITLE).eq("painting4"))
.select(context);
> Property api to add aliases
> ---------------------------
>
> Key: CAY-2507
> URL: https://issues.apache.org/jira/browse/CAY-2507
> Project: Cayenne
> Issue Type: Improvement
> Components: Core Library
> Affects Versions: 4.2.M1
> Reporter: Arseni Bulatski
> Priority: Major
>
> Add method to create aliases for properties.
> Cab be used in qualifiers to have several joins to one table, in orderings,
> in column queries and having qualifiers.
> Supported by relationship properties.
> Example:
> ObjectSelect.query(Artist.class)
>
> .where(Artist.PAINTING_ARRAY.alias("p1").dot(Painting.PAINTING_TITLE).eq("painting2"))
>
> .and(Artist.PAINTING_ARRAY.alias("p2").dot(Painting.PAINTING_TITLE).eq("painting4"))
> .select(context);
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