合成标识
适用于 ✅ 开源版 ✅ 专业版 ✅ 企业版
如果数据库报告 jOOQ 的代码生成器将识别标识列。某些数据库不支持“真实的”标识列,但允许模拟它们,例如,通过触发器和序列(例如 12c 之前的 Oracle)。如果某个列是已知的“标识”,但不是正式标识,则用户可以指定正则表达式来匹配所有表和列,这些表和列将被视为正式标识。例如
XML(独立和 Maven)
编程方式
Gradle(Kotlin)
Gradle(Groovy)
Gradle(第三方)
<configuration>
<generator>
<database>
<syntheticObjects>
<identities>
<identity>
<!-- Optional regular expression matching all tables that have this identity. -->
<tables>SCHEMA\.TABLE</tables>
<!-- List all columns that are identities -->
<fields>ID</fields>
</identity>
</identities>
</syntheticObjects>
</database>
</generator>
</configuration>
有关更多详细信息,请参阅配置 XSD、独立代码生成和maven 代码生成。
new org.jooq.meta.jaxb.Configuration()
.withGenerator(new Generator()
.withDatabase(new Database()
.withSyntheticObjects(new SyntheticObjectsType()
.withIdentities(
new SyntheticIdentityType()
// Optional regular expression matching all tables that have this identity.
.withTables("SCHEMA\\.TABLE")
// List all columns that are identities
.withFields("ID")
)
)
)
)
import org.jooq.meta.jaxb.*
configuration {
generator {
database {
syntheticObjects {
identities {
identity {
// Optional regular expression matching all tables that have this identity.
tables = "SCHEMA\\.TABLE"
// List all columns that are identities
fields = "ID"
}
}
}
}
}
}
有关更多详细信息,请参阅配置 XSD和gradle 代码生成。
configuration {
generator {
database {
syntheticObjects {
identities {
identity {
// Optional regular expression matching all tables that have this identity.
tables = "SCHEMA\\.TABLE"
// List all columns that are identities
fields = "ID"
}
}
}
}
}
}
有关更多详细信息,请参阅配置 XSD和gradle 代码生成。
// The jOOQ-codegen-gradle plugin has been introduced in version 3.19. // Please use the official plugin instead of the third party plugin that was recommended before.
一如既往,当使用正则表达式时,它们是具有默认标志的正则表达式。
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