o
org.apache.spark.sql.catalyst.plans.logical
DeltaMergeIntoClause
Companion trait DeltaMergeIntoClause
object DeltaMergeIntoClause
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- def toActions(assignments: Seq[Assignment]): Seq[Expression]
- def toActions(colNames: Seq[UnresolvedAttribute], exprs: Seq[Expression], isEmptySeqEqualToStar: Boolean = true): Seq[Expression]
Convert the parsed columns names and expressions into action for MergeInto.
Convert the parsed columns names and expressions into action for MergeInto. Note: - Size of column names and expressions must be the same. - If the sizes are zeros and
emptySeqIsStaris true, this function assumes that query had*as an action, and therefore generates a single action withUnresolvedStar. This will be expanded later during analysis. - Otherwise, this will convert the names and expressions to MergeActions. - def toString(): String
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