Packages

final case class TableDdl(createSql: String, pingSql: Option[String] = None) extends Product with Serializable

A descriptor of the specific SQL DDL statements required to manage a specific Comet table in a JDBC-accessible database engine

createSql

the SQL Create Table statement with the database-specific type, constraints etc. tacked on.

pingSql

a cheap SQL query whose results are irrelevant but guaranteed to trigger an error in case the table is absent

Note

pingSql is optional, and will default to select * from name where 1=0 as Spark SQL does

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Instance Constructors

  1. new TableDdl(createSql: String, pingSql: Option[String] = None)

    createSql

    the SQL Create Table statement with the database-specific type, constraints etc. tacked on.

    pingSql

    a cheap SQL query whose results are irrelevant but guaranteed to trigger an error in case the table is absent

Value Members

  1. final def !=(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  2. final def ##(): Int
    Definition Classes
    AnyRef → Any
  3. final def ==(arg0: Any): Boolean
    Definition Classes
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  4. final def asInstanceOf[T0]: T0
    Definition Classes
    Any
  5. def clone(): AnyRef
    Attributes
    protected[lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... ) @native()
  6. val createSql: String
  7. def effectivePingSql(tableName: String): String
  8. final def eq(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  9. def finalize(): Unit
    Attributes
    protected[lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )
  10. final def getClass(): Class[_]
    Definition Classes
    AnyRef → Any
    Annotations
    @native()
  11. final def isInstanceOf[T0]: Boolean
    Definition Classes
    Any
  12. final def ne(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  13. final def notify(): Unit
    Definition Classes
    AnyRef
    Annotations
    @native()
  14. final def notifyAll(): Unit
    Definition Classes
    AnyRef
    Annotations
    @native()
  15. val pingSql: Option[String]
  16. final def synchronized[T0](arg0: ⇒ T0): T0
    Definition Classes
    AnyRef
  17. final def wait(): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  18. final def wait(arg0: Long, arg1: Int): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  19. final def wait(arg0: Long): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... ) @native()

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