StringQuery incorrect alias definition for hql have join query [DATAJPA-1781]

[spring-projects-issues]

sdandroid opened DATAJPA-1781 and commented

@Query("select u from User as u left join  u.roles as r")

the StringQuery  get alias is  as.

 

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Affects: 2.3.4 (Neumann SR4)

[gregturn]

Added a couple test cases verifying that the new HQL/JPQL parsers correctly pick the FROM clause's alias.