5.3.1 Batch

This class represents a batch of operations.

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Batch extends Context

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execute(Function(Object error) callback);

Execute this batch. When a batch is executed, all operations are executed; the callback for each operation is called when that operation is executed (operations are not performed in any particular order). The execute() function's callback is also called.

A batch is executed in the context of the session's current state: this is autocommit if a transaction has not been started; this also includes the default lock mode and the partition key.

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clear();

Clear this batch without affecting the transaction state. After being cleared, the batch is still valid, but all operations previously defined are removed; this restores the batch to a clean state.

The callbacks for any operations that are defined for this batch are called with an error indicating that the batch has been cleared.

This function requires no arguments.

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getSession();

Get the session from which this batch was created.

This function requires no arguments.