[英]Symfony2 delete entities, cascade exception
I have an entity called Step2 (has multiple selectedriskassesments entities which is a RiskAssestment entity with an extra field): 我有一个称为Step2的实体(具有多个selectedriskassesments实体,它是带有额外字段的RiskAssestment实体):
......................
manyToMany:
selectedriskassesments:
targetEntity: **SelectedRiskAssesment**
joinTable:
name: step2_selected_risk_assesments
joinColumns:
step2_id:
referencedColumnName: id
inverseJoinColumns:
selected_risk_id:
referencedColumnName: id
cascade: ["persist","remove"]
..............................
and SelectedRiskAssesment entity has: 并且SelectedRiskAssesment实体具有:
manyToOne:
risk_assesment:
targetEntity: RiskAssestment
inversedBy: selectedriskassesment
joinColumn:
name: risk_assesment
referencedColumnName: id
orphanRemoval: true
This is part of a survey, and I want to delete Step2 entity and it`s selectedriskassesments but I get : 这是调查的一部分,我想删除Step2实体及其选择的风险评估,但得到:
SQLSTATE[23000]: Integrity constraint violation: 1451 Cannot delete or update a parent row: a foreign key constraint fails (`phsafety`.`step2_selected_risk_assesments`, CONSTRAINT `FK_FAFC9298EA71C84F` FOREIGN KEY (`selected_risk_id`) REFERENCES `selectedriskassesment` (`id`))
I have tried to use orphanRemoval: true to unbind from the RiskAssestment entity...any help would be awesome 我尝试使用orphanRemoval:true可以与RiskAssestment实体解除绑定...任何帮助都会很棒
I had to change the Step2 entity: 我必须更改Step2实体:
manyToMany:
selectedriskassesments:
targetEntity: **SelectedRiskAssesment**
joinTable:
name: step2_selected_risk_assesments
joinColumns:
step2_id:
referencedColumnName: id
inverseJoinColumns:
selected_risk_id:
referencedColumnName: id
onDelete: CASCADE
cascade: ["persist","remove"]
Had to add onDelete: CASCADE , inspiration by 必须添加onDelete:CASCADE ,灵感来自
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