Class

net.snowflake.spark.snowflake.pushdowns.querygeneration

ProjectQuery

Related Doc: package querygeneration

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case class ProjectQuery(columns: Seq[NamedExpression], child: SnowflakeQuery, alias: String) extends SnowflakeQuery with Product with Serializable

The query for a projection operation.

columns

The projection columns.

child

The child node.

alias

Query alias.

Linear Supertypes
Serializable, Serializable, Product, Equals, SnowflakeQuery, AnyRef, Any
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Inherited
  1. ProjectQuery
  2. Serializable
  3. Serializable
  4. Product
  5. Equals
  6. SnowflakeQuery
  7. AnyRef
  8. Any
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Visibility
  1. Public
  2. All

Instance Constructors

  1. new ProjectQuery(columns: Seq[NamedExpression], child: SnowflakeQuery, alias: String)

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    columns

    The projection columns.

    child

    The child node.

    alias

    Query alias.

Value Members

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

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    Definition Classes
    AnyRef → Any
  2. final def ##(): Int

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    Definition Classes
    AnyRef → Any
  3. final def ==(arg0: Any): Boolean

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    Definition Classes
    AnyRef → Any
  4. val alias: String

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    Query alias.

  5. final def asInstanceOf[T0]: T0

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    Definition Classes
    Any
  6. def canJoin(otherTree: SnowflakeQuery): Boolean

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    Determines if two SnowflakeQuery subtrees can be joined together.

    Determines if two SnowflakeQuery subtrees can be joined together.

    otherTree

    The other tree, can it be joined with this one?

    returns

    True if can be joined, or False if not.

    Definition Classes
    SnowflakeQuery
  7. val child: SnowflakeQuery

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    The child node.

  8. def clone(): AnyRef

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    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  9. val columns: Seq[NamedExpression]

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    The projection columns.

  10. final def eq(arg0: AnyRef): Boolean

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    Definition Classes
    AnyRef
  11. def expressionToString(expr: Expression): String

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    Definition Classes
    SnowflakeQuery
  12. def finalize(): Unit

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    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )
  13. def find[T](query: PartialFunction[SnowflakeQuery, T]): Option[T]

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    Finds a particular query type in the overall tree.

    Finds a particular query type in the overall tree.

    T

    SnowflakeQuery type

    query

    PartialFunction defining a positive result.

    returns

    Option[T] for one positive match, or None if nothing found.

    Definition Classes
    SnowflakeQuery
  14. final def getClass(): Class[_]

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    Definition Classes
    AnyRef → Any
  15. def getQuery(useAlias: Boolean = false): String

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    Converts this query into a String representing the SQL.

    Converts this query into a String representing the SQL.

    useAlias

    Whether or not to alias this translated block of SQL.

    returns

    SQL statement for this query.

    Definition Classes
    SnowflakeQuery
  16. val helper: QueryHelper

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    Definition Classes
    ProjectQuery → SnowflakeQuery
  17. final def isInstanceOf[T0]: Boolean

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    Definition Classes
    Any
  18. final def ne(arg0: AnyRef): Boolean

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    Definition Classes
    AnyRef
  19. final def notify(): Unit

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    Definition Classes
    AnyRef
  20. final def notifyAll(): Unit

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    Definition Classes
    AnyRef
  21. lazy val output: Seq[Attribute]

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    Output columns.

    Output columns.

    Definition Classes
    SnowflakeQuery
  22. val suffix: String

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    What comes after the FROM clause.

    What comes after the FROM clause.

    Definition Classes
    SnowflakeQuery
  23. final def synchronized[T0](arg0: ⇒ T0): T0

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    Definition Classes
    AnyRef
  24. final def wait(): Unit

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    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  25. final def wait(arg0: Long, arg1: Int): Unit

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    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  26. final def wait(arg0: Long): Unit

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    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

Inherited from Serializable

Inherited from Serializable

Inherited from Product

Inherited from Equals

Inherited from SnowflakeQuery

Inherited from AnyRef

Inherited from Any

Ungrouped