Class PreparedStatement

java.lang.Object
io.vertx.reactivex.sqlclient.PreparedStatement
All Implemented Interfaces:
io.vertx.lang.rx.RxDelegate
public class PreparedStatement extends Object implements io.vertx.lang.rx.RxDelegate
A prepared statement, the statement is pre-compiled and it's more efficient to execute the statement for multiple times. In addition, this kind of statement provides protection against SQL injection attacks.

From a prepared statement you can

NOTE: This class has been automatically generated from the original non RX-ified interface using Vert.x codegen.

  • Field Details

    • __TYPE_ARG

      public static final io.vertx.lang.rx.TypeArg<PreparedStatement> __TYPE_ARG

  • Constructor Details

    • PreparedStatement

      public PreparedStatement(PreparedStatement delegate)

    • PreparedStatement

      public PreparedStatement(Object delegate)

  • Method Details

    • toString

      public String toString()
      Overrides:
      toString in class Object

    • equals

      public boolean equals(Object o)
      Overrides:
      equals in class Object

    • hashCode

      public int hashCode()
      Overrides:
      hashCode in class Object

    • getDelegate

      public PreparedStatement getDelegate()
      Specified by:
      getDelegate in interface io.vertx.lang.rx.RxDelegate

    • query

      public PreparedQuery<RowSet<Row>> query()
      Create a prepared query for this statement.
      Returns:
      the prepared query

    • cursor

      public Cursor cursor()
      Like cursor() but with empty arguments.
      Returns:

    • cursor

      public Cursor cursor(Tuple args)
      Create a cursor with the provided arguments.
      Parameters:
      args - the list of arguments
      Returns:
      the query

    • createStream

      public RowStream<Row> createStream(int fetch)
      Like createStream(int) but with empty arguments.
      Parameters:
      fetch -
      Returns:

    • createStream

      public RowStream<Row> createStream(int fetch, Tuple args)
      Execute the prepared query with a cursor and createStream the result. The createStream opens a cursor with a fetch size to fetch the results.

      Note: this requires to be in a transaction, since cursors require it.

      Parameters:
      fetch - the cursor fetch size
      args - the prepared query arguments
      Returns:
      the createStream

    • close

      public Future<Void> close()
      Close the prepared query and release its resources.
      Returns:

    • rxClose

      public Completable rxClose()
      Close the prepared query and release its resources.
      Returns:

    • newInstance

      public static PreparedStatement newInstance(PreparedStatement arg)