ldbc.schema.attribute.package.scala Maven / Gradle / Ivy
/**
* Copyright (c) 2023-2024 by Takahiko Tominaga
* This software is licensed under the MIT License (MIT).
* For more information see LICENSE or https://opensource.org/licenses/MIT
*/
package ldbc.schema
package object attribute:
private[ldbc] trait Attribute[T]:
/**
* Define an SQL query string for each attribute.
*
* @return
* SQL query string
*/
def queryString: String
private[ldbc] case class Comment[T](message: String) extends Attribute[T]:
override def queryString: String = s"COMMENT '$message'"
private[ldbc] case class Visible[T]() extends Attribute[T]:
override def queryString: String = "/*!80023 VISIBLE */"
private[ldbc] case class InVisible[T]() extends Attribute[T]:
override def queryString: String = "/*!80023 INVISIBLE */"
private[ldbc] trait ColumnFormat[T] extends Attribute[T]
object ColumnFormat:
case class Fixed[T]() extends ColumnFormat[T]:
override def queryString: String = "/*!50606 COLUMN_FORMAT FIXED */"
case class Dynamic[T]() extends ColumnFormat[T]:
override def queryString: String = "/*!50606 COLUMN_FORMAT DYNAMIC */"
case class Default[T]() extends ColumnFormat[T]:
override def queryString: String = "/*!50606 COLUMN_FORMAT DEFAULT */"
private[ldbc] trait Storage[T] extends Attribute[T]
object Storage:
case class Disk[T]() extends Storage[T]:
override def queryString: String = "/*!50606 STORAGE DISK */"
case class Memory[T]() extends Storage[T]:
override def queryString: String = "/*!50606 STORAGE MEMORY */"