case class InlineCTE(alwaysInline: Boolean = false) extends Rule[LogicalPlan] with Product with Serializable
Inlines CTE definitions into corresponding references if either of the conditions satisfies: 1. The CTE definition does not contain any non-deterministic expressions or contains attribute references to an outer query. If this CTE definition references another CTE definition that has non-deterministic expressions, it is still OK to inline the current CTE definition. 2. The CTE definition is only referenced once throughout the main query and all the subqueries.
CTE definitions that appear in subqueries and are not inlined will be pulled up to the main query level.
- alwaysInline
if true, inline all CTEs in the query plan.
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new
InlineCTE(alwaysInline: Boolean = false)
- alwaysInline
if true, inline all CTEs in the query plan.
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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 alwaysInline: Boolean
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final
def
asInstanceOf[T0]: T0
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- def buildCTEMap(plan: LogicalPlan, cteMap: HashMap[Long, (CTERelationDef, Int)]): Unit
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def
clone(): AnyRef
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def
conf: SQLConf
The active config object within the current scope.
The active config object within the current scope. See SQLConf.get for more information.
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final
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eq(arg0: AnyRef): Boolean
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def
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log: Logger
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lazy val
ruleId: RuleId
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val
ruleName: String
Name for this rule, automatically inferred based on class name.
Name for this rule, automatically inferred based on class name.
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