Grails 如何解决hibernate中节点错误的无数据类型
我有表vehicle,我写了如下查询 Vehicle.ExecuteQuery从车辆中选择音响系统 但是我犯了个错误 错误groovy.grails.web.errors.GrailExceptionResolver节点没有数据类型:org.hibernate.hql.ast.tree.IdentNode -[IDENT]IdentNode:'audio_system'{originalText=audio_system} java.lang.IllegalStateException:节点没有数据类型:org.hibernate.hql.ast.tree.IdentNode -[IDENT]IdentNode:'audio_system'{originalText=audio_system} 车辆类别的源代码如下所示Grails 如何解决hibernate中节点错误的无数据类型,grails,Grails,我有表vehicle,我写了如下查询 Vehicle.ExecuteQuery从车辆中选择音响系统 但是我犯了个错误 错误groovy.grails.web.errors.GrailExceptionResolver节点没有数据类型:org.hibernate.hql.ast.tree.IdentNode -[IDENT]IdentNode:'audio_system'{originalText=audio_system} java.lang.IllegalStateException:节点没有
class Vehicle {
String vehicleSticker
String regNumber //plate
String chasisNumber
String engineNumber
Integer yearOfManufacture
Date purchasedOn
Boolean audioSystem
Boolean videoSystem
Boolean mobileCharger
Boolean laptopCharger
//Vehicle compliance
Date pucExpiry
Date pucTestingOn
Date taxTokenIssueDate
Date taxTokenExpiryDate
Date insuranceIssueDate
Date insuranceExpiryDate
Date permitIssueDate
Date permitExpiryDate
Date fitnessCertificateIssueDate
Date fitnessCertificateExpiryDate
Double odoReadingWhenServiceDone
Double dueOddReading
VendorRole vendor
VehicleType vehicleType
//RegistrationCertificate registrationCertificate
static mapping = {
//registrationCertificate(cascade:'all')
}
static constraints = {
yearOfManufacture(nullable:true)
regNumber(nullable:false,unique: true)
chasisNumber(blank:true)
engineNumber(blank:true)
purchasedOn(nullable:true)
taxTokenIssueDate(nullable:true)
taxTokenExpiryDate(nullable:true)
insuranceIssueDate(nullable:true)
insuranceExpiryDate(nullable:true)
permitIssueDate(nullable:true)
permitExpiryDate(nullable:true)
fitnessCertificateIssueDate(nullable:true)
fitnessCertificateExpiryDate(nullable:true)
odoReadingWhenServiceDone(nullable:true)
dueOddReading(nullable:true)
pucExpiry(nullable:true)
pucTestingOn(nullable:true)
vendor(nullable:true)
}
public String toString() {
"${vehicleSticker} ${regNumber?'| '+ regNumber:''}"
}
那应该是
Vehicle.executeQuery("select audioSystem from Vehicle ")
这是一个HQL查询,您使用类名和字段名,而不是表名和列名。这应该是
Vehicle.executeQuery("select audioSystem from Vehicle ")
这是一个HQL查询,使用类名和字段名,不是表名和列名。确保您在实体中有该名称指定的字段确保您在实体中有该名称指定的字段您可以提供客户和车辆的完整来源吗?即使我尝试获取id以外的任何字段,我也会收到错误。您可以提供客户和车辆的完整来源吗?即使当我试图获取id以外的任何字段时,我会得到一个错误