Post-Commit Hooks

= PostCommitHook

PostCommitHook is an <> of <> that have a <> and can be <> (when OptimisticTransactionImpl is <>).

[[contract]] .PostCommitHook Contract [cols="30m,70",options="header",width="100%"] |=== | Method | Description

| handleError a| [[handleError]]

[source, scala]¶

handleError( error: Throwable, version: Long): Unit = {}

Handles an error while <>

Used when OptimisticTransactionImpl is requested to <> (when <>)

| name a| [[name]]

[source, scala]¶

name: String¶

User-friendly name of the hook for error reporting

Used when:

• DeltaErrors utility is used to <>

• OptimisticTransactionImpl is requested to <> (when <>)

• GenerateSymlinkManifestImpl is requested to <>

| run a| [[run]]

[source, scala]¶

run( spark: SparkSession, txn: OptimisticTransactionImpl, committedActions: Seq[Action]): Unit

Executes the post-commit hook

Used when OptimisticTransactionImpl is requested to <> (when <>)

|===

[[implementations]] NOTE: <> is the default and only known PostCommitHook in Delta Lake.