Result Set for CLOB TYPE with non ASCII character

[hungnt1997]

Version

This bug is in the tree since 4.2.1, 4.1.1 seems ok.

Context

I just upgrade the JDBC version from 4.1.1 to 4.2.1
I saw that JDBC 4.2.1 client has using getAsciiStream to read data from oracle with CLOB type, with is getting an error with NON-ASCII character.

Do you have a reproducer?

1. Save non-ASCII to Oracle with UTF-8 encoding and CLOB type.
2. Get data from oracle with JDBC version 4.2.1.
3. Getting the result with the difference from the database.

[JGrancha]

Hello! I have the same problem. In versión 4.1.8 works fine. If I update to version 4.2.X or higher it already fails. Incorrect characters appear than with the previous version. It also happens in the latest version 4.5.8.

Can you fix this please? It prevents me from updating the dependencies of my project... @jponge

Thanks!

[tsegismont]

Can you paste snippets for Oracle table creation and Vert.x JDBC Client code? So that we can easily reproduce. Thanks

[JGrancha]

Hello, this is the helper to execute querys.
`import io.vertx.core.Vertx
import io.vertx.core.json.JsonArray
import io.vertx.core.json.JsonObject
import io.vertx.jdbcclient.JDBCConnectOptions
import io.vertx.jdbcclient.JDBCPool
import io.vertx.kotlin.coroutines.await
import io.vertx.sqlclient.PoolOptions
import io.vertx.sqlclient.Tuple
import org.slf4j.LoggerFactory

class JDBCHelper {
companion object {
private val LOG = LoggerFactory.getLogger(JDBCHelper::class.java)
private lateinit var pool: JDBCPool

fun init(vertx: Vertx, conf: JsonObject) {
  pool = JDBCPool.pool(
    vertx,
    JDBCConnectOptions()
      .setUser(conf.getString("user"))
      .setPassword(conf.getString("password"))
      .setJdbcUrl(
        String.format(
          "jdbc:oracle:thin:@(DESCRIPTION =(ADDRESS = (PROTOCOL = TCP)(HOST = %s)(PORT = %s))(CONNECT_DATA =(SERVER = DEDICATED)(SERVICE_NAME = %s)))",
          conf.getString("host"),
          conf.getInteger("port"),
          conf.getString("sid")
        )
      )
    ,PoolOptions().setMaxSize(20)
  )
  LOG.info("Creando cliente JDBC")
}

suspend fun execPreparedQuery(queryStr: String, params: JsonArray): List<JsonObject> {
  val conn = pool.connection.await()
  val result = conn.preparedQuery(queryStr).execute(Tuple.from(params.list)).await()
  conn.close().await()
  return result.map { row -> row.toJson()  }
}

suspend fun execQuery(queryStr: String): List<JsonObject> {
  val conn = pool.connection.await()
  val result = conn.query(queryStr).execute().await()
  conn.close().await()
  return result.map { row -> row.toJson()  }
}

}
}
`

And the creation of the table:

CREATE TABLE LANDING_TEMPLATES ( LDT_ID NUMBER (10,0) NOT NULL, LDT_HTML CLOB, LDT_CSS CLOB, )

With version 4.1.8:

With last version 4.5.8:

Note: With the versions > 4.1.8 appears the problem.

[JGrancha]

Hi @tsegismont! Any news?

Thanks!

[tsegismont]

Not yet

[JGrancha]

Hello!

Do you have an estimate of when this will be resolved?

[tsegismont]

Sorry, no