case class CheckConstraintsPreDowngradeTableFeatureCommand(table: DeltaTableV2) extends PreDowngradeTableFeatureCommand with Product with Serializable
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- new CheckConstraintsPreDowngradeTableFeatureCommand(table: DeltaTableV2)
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def
removeFeatureTracesIfNeeded(): Boolean
Throws an exception if the table has CHECK constraints, and returns false otherwise (as no action was required).
Throws an exception if the table has CHECK constraints, and returns false otherwise (as no action was required).
We intentionally error out instead of removing the CHECK constraints here, as dropping a table feature should not never alter the logical representation of a table (only its physical representation). Instead, we ask the user to explicitly drop the constraints before the table feature can be dropped.
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- CheckConstraintsPreDowngradeTableFeatureCommand → PreDowngradeTableFeatureCommand
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- val table: DeltaTableV2
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