Posts by Samuel Torga • 88 points

• 3

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  A: how can I get the last message from my`msg`field with`GROUP BY`

  The Problem It turns out that the columns of visualizado and msg are not being used in GROUP_BY and are not being used by any aggregation function (SUM(), AVG(), etc..). In MYSQL there is a flag…

  mysql sql group-by

  answered 5 years, 2 months ago Samuel Torga 88

• 4

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  A: Problems with LAZY - could not initialize proxy - in Session

  Without the full stack trace it gets a little complicated, but I believe the problem is in os.getObra().getId(). Lazyinitializeexception happens when a related object defined as Lazy has not been…

  java hibernate primefaces

  answered 5 years, 2 months ago Samuel Torga 88