Class

org.apache.spark.sql.catalyst

SQLBuilder

Related Doc: package catalyst

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class SQLBuilder extends internal.Logging

A builder class used to convert a resolved logical plan into a SQL query string. Note that not all resolved logical plan are convertible. They either don't have corresponding SQL representations (e.g. logical plans that operate on local Scala collections), or are simply not supported by this builder (yet).

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Instance Constructors

  1. new SQLBuilder(df: Dataset[_])

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  2. new SQLBuilder(logicalPlan: LogicalPlan)

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Type Members

  1. case class SQLTable(database: String, table: String, output: Seq[Attribute], sample: Option[(Double, Double)] = None) extends LeafNode with Product with Serializable

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  2. case class SubqueryHolder(sql: String) extends LeafExpression with Unevaluable with Product with Serializable

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    A place holder for generated SQL for subquery expression.

Value Members

  1. final def !=(arg0: Any): Boolean

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  2. final def ##(): Int

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  3. final def ==(arg0: Any): Boolean

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  4. object Canonicalizer extends RuleExecutor[LogicalPlan]

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  5. object ExtractSQLTable

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  6. final def asInstanceOf[T0]: T0

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  7. def clone(): AnyRef

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    protected[java.lang]
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  8. final def eq(arg0: AnyRef): Boolean

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  9. def equals(arg0: Any): Boolean

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  10. def finalize(): Unit

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    @throws( classOf[java.lang.Throwable] )

  11. final def getClass(): Class[_]

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  12. def hashCode(): Int

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  13. def initializeLogIfNecessary(isInterpreter: Boolean, silent: Boolean = false): Boolean

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    Attributes
    protected
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    Logging

  14. def initializeLogIfNecessary(isInterpreter: Boolean): Unit

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  15. final def isInstanceOf[T0]: Boolean

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  16. def isTraceEnabled(): Boolean

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    Attributes
    protected
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  17. def log: Logger

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  18. def logDebug(msg: ⇒ String, throwable: Throwable): Unit

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  19. def logDebug(msg: ⇒ String): Unit

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  20. def logError(msg: ⇒ String, throwable: Throwable): Unit

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  21. def logError(msg: ⇒ String): Unit

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  22. def logInfo(msg: ⇒ String, throwable: Throwable): Unit

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  23. def logInfo(msg: ⇒ String): Unit

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  24. def logName: String

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  25. def logTrace(msg: ⇒ String, throwable: Throwable): Unit

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  26. def logTrace(msg: ⇒ String): Unit

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  27. def logWarning(msg: ⇒ String, throwable: Throwable): Unit

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  28. def logWarning(msg: ⇒ String): Unit

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  29. final def ne(arg0: AnyRef): Boolean

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  30. final def notify(): Unit

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  31. final def notifyAll(): Unit

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  32. final def synchronized[T0](arg0: ⇒ T0): T0

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    Definition Classes
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  33. def toSQL: String

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  34. def toString(): String

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    Definition Classes
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  35. final def wait(): Unit

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    @throws( ... )

  36. final def wait(arg0: Long, arg1: Int): Unit

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    @throws( ... )

  37. final def wait(arg0: Long): Unit

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Inherited from internal.Logging

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