Slick 3.0针对Oracle的自定义代码生成
我正在尝试为Oracle生成流畅的3.0代码。DB用户指向两个具有相同名称的表的模式,因此生成的代码具有重复的类。我想从模式中筛选出以“STAGE”结尾的表 代码如下:Slick 3.0针对Oracle的自定义代码生成,oracle,scala,sbt,slick,slick-3.0,Oracle,Scala,Sbt,Slick,Slick 3.0,我正在尝试为Oracle生成流畅的3.0代码。DB用户指向两个具有相同名称的表的模式,因此生成的代码具有重复的类。我想从模式中筛选出以“STAGE”结尾的表 代码如下: object CodeGen2 extends App { //https://stackoverflow.com/questions/28285129/slick-code-generation-for-only-a-single-schema val slickDriver = "com.typesafe.slic
object CodeGen2 extends App {
//https://stackoverflow.com/questions/28285129/slick-code-generation-for-only-a-single-schema
val slickDriver = "com.typesafe.slick.driver.oracle.OracleDriver"
val jdbcDriver = "oracle.jdbc.OracleDriver"
val url = "jdbc:oracle:thin:@dbhost:1521:dbsid"
val user = "dbuser"
val password = "dbpassword"
val destDir = "src/main/scala"
val destPackage = "com.mycompany.mypackage"
import scala.concurrent.{ExecutionContext, Await, Future}
import scala.concurrent.duration.Duration
import slick.codegen.SourceCodeGenerator
import scala.concurrent.ExecutionContext.Implicits.global
import slick.jdbc.JdbcModelBuilder
import slick.jdbc.meta.MTable
import com.typesafe.slick.driver.oracle.OracleDriver
import slick.jdbc.JdbcBackend.DatabaseFactoryDef
println("Starting codegen...")
val db = OracleDriver.simple.Database.forURL(url, user=user, password=password, driver=jdbcDriver)
val filteredTables = OracleDriver.defaultTables.filter(
(t: MTable) => !t.name.schema.get.endsWith("STAGE")
)
val modelAction = OracleDriver.createModel(filteredTables, true)
println("Generating model...")
val model = Await.result(db.run(modelAction), Duration.Inf)
val codegen = new SourceCodeGenerator(model) {
// for illustration
val noStage = model.tables.filter { table => !table.name.schema.get.endsWith("STAGE") }
noStage.foreach { table => println(table.name.schema.get) }
}
println("Generating files...")
codegen.writeToFile(
slickDriver, destDir, destPackage, "Tables", "Tables.scala"
)
// slick.codegen.SourceCodeGenerator.main(
// Array(slickDriver, jdbcDriver, url, destDir, destPackage, user, password)
// )
println("Finished codegen.")
}
我尝试过滤defaultTables,但是签名是Seq[MTable]=>Boolean,所以我不知道如何处理它。过滤传递给driver.createModel的表是否是正确的方法?我查看并尝试了其他带有override(n)方法的代码,但似乎没有什么是可行的
name := "slick-test"
version := "1.0"
scalaVersion := "2.11.6"
libraryDependencies ++= Seq(
"com.typesafe.slick" %% "slick" % "3.0.0",
"org.slf4j" % "slf4j-nop" % "1.6.4",
"com.typesafe.slick" %% "slick-extensions" % "3.0.0",
"com.typesafe.slick" %% "slick-codegen" % "3.0.0"
)
resolvers += "Typesafe Releases" at "http://repo.typesafe.com/typesafe/maven-releases/"
谢谢。这样试试:
val filteredTables = OracleDriver.defaultTables.map(seq => seq.filter(t => !t.name.schema.get.endsWith("STAGE")))
val modelAction = OracleDriver.createModel(Option(filteredTables), true)
试着这样做:
val filteredTables = OracleDriver.defaultTables.map(seq => seq.filter(t => !t.name.schema.get.endsWith("STAGE")))
val modelAction = OracleDriver.createModel(Option(filteredTables), true)
更新:在我发布上述内容后,找到了解决Oracle代码生成问题的方法。它应该固定在光滑的3.2中。用此SourceCodeGenerator替换上述代码。看
更新:在我发布上述内容后,找到了解决Oracle代码生成问题的方法。它应该固定在光滑的3.2中。用此SourceCodeGenerator替换上述代码。看
谢谢@bhavya,这完全符合您发布的内容。生成的代码现在无法编译,但这是一个单独的问题。谢谢@bhavya,这与您发布的完全一样。生成的代码现在不编译,但这是一个单独的问题。