case class UnionQuery(children: Seq[LogicalPlan], alias: String, outputCols: Option[Seq[Attribute]] = None) extends RedshiftQuery with Product with Serializable
The query for union.
- children
Children of the union expression.
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Instance Constructors
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new
UnionQuery(children: Seq[LogicalPlan], alias: String, outputCols: Option[Seq[Attribute]] = None)
- children
Children of the union expression.
Value Members
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final
def
!=(arg0: Any): Boolean
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final
def
##(): Int
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final
def
==(arg0: Any): Boolean
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- val alias: String
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final
def
asInstanceOf[T0]: T0
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def
canJoin(otherTree: RedshiftQuery): Boolean
Determines if two RedshiftQuery subtrees can be joined together.
Determines if two RedshiftQuery 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
- RedshiftQuery
- val children: Seq[LogicalPlan]
-
def
clone(): AnyRef
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final
def
eq(arg0: AnyRef): Boolean
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def
expressionToStatement(expr: Expression): RedshiftSQLStatement
- Definition Classes
- RedshiftQuery
-
def
find[T](query: PartialFunction[RedshiftQuery, T]): Option[T]
Finds a particular query type in the overall tree.
Finds a particular query type in the overall tree.
- T
RedshiftQuery type
- query
PartialFunction defining a positive result.
- returns
Option[T] for one positive match, or None if nothing found.
- Definition Classes
- UnionQuery → RedshiftQuery
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final
def
getClass(): Class[_]
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- @native() @IntrinsicCandidate()
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def
getStatement(useAlias: Boolean): RedshiftSQLStatement
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
- UnionQuery → RedshiftQuery
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val
helper: QueryHelper
- Definition Classes
- UnionQuery → RedshiftQuery
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final
def
isInstanceOf[T0]: Boolean
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final
def
ne(arg0: AnyRef): Boolean
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final
def
notify(): Unit
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final
def
notifyAll(): Unit
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lazy val
output: Seq[Attribute]
Output columns.
Output columns.
- Definition Classes
- RedshiftQuery
- val outputCols: Option[Seq[Attribute]]
- val queries: Seq[RedshiftQuery]
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val
suffixStatement: RedshiftSQLStatement
What comes after the FROM clause.
What comes after the FROM clause.
- Definition Classes
- RedshiftQuery
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final
def
synchronized[T0](arg0: ⇒ T0): T0
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final
def
wait(arg0: Long, arg1: Int): Unit
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final
def
wait(arg0: Long): Unit
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final
def
wait(): Unit
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Deprecated Value Members
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def
finalize(): Unit
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