object ResolveDeltaMergeInto
Implements logic to resolve conditions and actions in MERGE clauses and handles schema evolution.
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- type ResolveExpressionsFn = (Seq[Expression], Seq[LogicalPlan]) ⇒ Seq[Expression]
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def
resolveOrFail(resolveExprsFn: ResolveExpressionsFn, exprs: Seq[Expression], plansToResolveExprs: Seq[LogicalPlan], mergeClauseTypeStr: String): Seq[Expression]
Resolves expressions against given plans or fail using given message.
Resolves expressions against given plans or fail using given message. It makes a best-effort attempt to throw specific error messages on which part of the query has a problem.
- def resolveReferencesAndSchema(merge: DeltaMergeInto, conf: SQLConf)(resolveExprsFn: ResolveExpressionsFn): DeltaMergeInto
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def
resolveSingleExprOrFail(resolveExprsFn: ResolveExpressionsFn, expr: Expression, plansToResolveExpr: Seq[LogicalPlan], mergeClauseTypeStr: String): Expression
Convenience wrapper around
resolveOrFail()when resolving a single expression. -
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- def throwIfNotResolved(expr: Expression, plans: Seq[LogicalPlan], mergeClauseTypeStr: String): Unit
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