Class

net.snowflake.spark.snowflake.pushdowns.querygeneration

SourceQuery

Related Doc: package querygeneration

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case class SourceQuery(relation: SnowflakeRelation, refColumns: Seq[Attribute], alias: String) extends SnowflakeQuery with Product with Serializable

The query for a base type (representing a table or view).

relation

The base SnowflakeRelation representing the basic table, view, or subquery defined by the user.

refColumns

Columns used to override the output generation for the QueryHelper. These are the columns resolved by SnowflakeRelation.

alias

Query alias.

Linear Supertypes
Serializable, Serializable, Product, Equals, SnowflakeQuery, AnyRef, Any
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Inherited
  1. SourceQuery
  2. Serializable
  3. Serializable
  4. Product
  5. Equals
  6. SnowflakeQuery
  7. AnyRef
  8. Any
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Visibility
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Instance Constructors

  1. new SourceQuery(relation: SnowflakeRelation, refColumns: Seq[Attribute], alias: String)

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    relation

    The base SnowflakeRelation representing the basic table, view, or subquery defined by the user.

    refColumns

    Columns used to override the output generation for the QueryHelper. These are the columns resolved by SnowflakeRelation.

    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. def clone(): AnyRef

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    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  8. val cluster: (String, Option[String], String)

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    Triplet that defines the Snowflake cluster that houses this base relation.

    Triplet that defines the Snowflake cluster that houses this base relation. Currently an exact match on cluster is needed for a join, but we may not need to be this strict.

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

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

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    Definition Classes
    SnowflakeQuery
  11. def finalize(): Unit

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    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )
  12. 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
    SourceQuery → SnowflakeQuery
  13. final def getClass(): Class[_]

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    Definition Classes
    AnyRef → Any
  14. 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
  15. val helper: QueryHelper

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    Definition Classes
    SourceQuery → SnowflakeQuery
  16. final def isInstanceOf[T0]: Boolean

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

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

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

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

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    Output columns.

    Output columns.

    Definition Classes
    SnowflakeQuery
  21. val refColumns: Seq[Attribute]

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    Columns used to override the output generation for the QueryHelper.

    Columns used to override the output generation for the QueryHelper. These are the columns resolved by SnowflakeRelation.

  22. val relation: SnowflakeRelation

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    The base SnowflakeRelation representing the basic table, view, or subquery defined by the user.

  23. val suffix: String

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    What comes after the FROM clause.

    What comes after the FROM clause.

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

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

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

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    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  27. 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