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Code Block
languagejava
titleTupleStore
public interface TupleStore {
    /**
     * Inserts a record into the table if it doesn't exist or replaces the existing one.
     *
     * @param txn   The transaction or {@code null} to auto commit.
     * @param tuple A record to insert into the table. The record cannot be {@code null}.
     */  
    void upsert(@Nullable Transaction txn, Tuple tuple);

	CompletableFuture<Void> upsertAsync(@Nullable Transaction txn, Tuple tuple);

 	/** Other methods here */  
}`1`1


Multiple operations accepting the same transaction instance are executed atomically within a passed transaction.

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