object CheckpointHook extends PostCommitHook
Write a new checkpoint at the version committed by the txn if required.
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- def handleError(spark: SparkSession, error: Throwable, version: Long): Unit
Handle any error caused while running the hook.
Handle any error caused while running the hook. By default, all errors are ignored as default policy should be to not let post-commit hooks to cause failures in the operation.
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A user friendly name for the hook for error reporting purposes.
A user friendly name for the hook for error reporting purposes.
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- CheckpointHook → PostCommitHook
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- def run(spark: SparkSession, txn: OptimisticTransactionImpl, committedVersion: Long, postCommitSnapshot: Snapshot, committedActions: Seq[Action]): Unit
Executes the hook.
Executes the hook.
- txn
The txn that made the commit, after which this PostCommitHook was run
- committedVersion
The version that was committed by the txn
- postCommitSnapshot
the snapshot of the table after the txn successfully committed. NOTE: This may not match the committedVersion, if racing commits were written while the snapshot was computed.
- committedActions
the actions that were committed in the txn. *May* be empty if the list of actions was too large.
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- CheckpointHook → PostCommitHook
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