mysql - Joins symfony 2 -


i have 3 tables , use yaml, connect each other this:

trainings:

onetomany:         exercisetrainings:             targetentity: exercisetraining             mappedby: training             cascade: ["persist", "merge"]             joincolumn:                 name: id                 referencedcolumnname: training_id

exercises:

onetomany:     exercisetrainings:         targetentity: exercisetraining         mappedby: exercise         cascade: ["persist", "merge"]         joincolumn:             name: id             referencedcolumnname: exercise_id

trainingexercises:

manytoone:     exercise:         targetentity: exercise         inversedby: exercisetrainings         joincolumn:             name: exercise_id             referencedcolumnname: id     training:         targetentity: training         inversedby: exercisetrainings         joincolumn:             name: training_id             referencedcolumnname: id

exercisetraining table:

i need "exercise name" table exercises(basically name coming exercise_translation, think it's not problem) related trainings , need "sets" exercisetrainings table. have training , try join tables:

$training = $em->getrepository('trenkatrainingbundle:training')->findonebyalias($alias);  $exercises = $em     ->getrepository('trenkatrainingbundle:exercise')     ->createquerybuilder('e')     ->innerjoin('e.exercisetrainings', 't')     ->where('t.training_id = ' . $training->getid())     ->getquery()     ->getresult();

but error:

class trainingbundle\entity\exercisetraining has no field or association named training_id

maybe has same structures , know how make work? how presented values 2-3 tables in twig?

you doesn't have training_id field in exercisetraining entity can't use in clause, in exercisetraining entity have training field can try :

$exercises = $em     ->getrepository('trenkatrainingbundle:exercise')     ->createquerybuilder('e')     ->innerjoin('e.exercisetrainings', 'et')     ->where('et.training = :training')     ->setparameter('training', $training)     ->getquery()     ->getresult();

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