How to use

querySingleWithParams

method

in

io.vertx.rxjava.ext.jdbc.JDBCClient

 /**
 * Execute a one shot SQL statement with arguments that returns a single SQL row. This method will reduce the
 * boilerplate code by getting a connection from the pool (this object) and return it back after the execution.
 * Only the first result from the result set is returned.
 * @param sql the statement to execute
 * @param arguments the arguments
 * @return self
 * @deprecated use {@link #rxQuerySingleWithParams} instead
 */
@Deprecated()
public Observable<JsonArray> querySingleWithParamsObservable(String sql, JsonArray arguments) { 
 io.vertx.rx.java.ObservableFuture<JsonArray> handler = io.vertx.rx.java.RxHelper.observableFuture();
 querySingleWithParams(sql, arguments, handler.toHandler());
 return handler;
}

/**
 * Execute a one shot SQL statement with arguments that returns a single SQL row. This method will reduce the
 * boilerplate code by getting a connection from the pool (this object) and return it back after the execution.
 * Only the first result from the result set is returned.
 * @param sql the statement to execute
 * @param arguments the arguments
 * @return self
 */
public Single<JsonArray> rxQuerySingleWithParams(String sql, JsonArray arguments) { 
 return Single.create(new io.vertx.rx.java.SingleOnSubscribeAdapter<>(fut -> {
  querySingleWithParams(sql, arguments, fut);
 }));
}

 /**
 * Execute a one shot SQL statement with arguments that returns a single SQL row. This method will reduce the
 * boilerplate code by getting a connection from the pool (this object) and return it back after the execution.
 * Only the first result from the result set is returned.
 * @param sql the statement to execute
 * @param arguments the arguments
 * @return self
 */
public Single<JsonArray> rxQuerySingleWithParams(String sql, JsonArray arguments) { 
 return Single.create(new io.vertx.rx.java.SingleOnSubscribeAdapter<>(fut -> {
  querySingleWithParams(sql, arguments, fut);
 }));
}