Rewrite the title to: By getting the id of the ResultSet and returning it as a java.sql.Array

Question

I have the following:

 def getIds(name: String): java.sql.Array = {
    val ids: Array[Integer] = Array()
    val ps: PreparedStatement = connection.prepareStatement("SELECT id FROM table WHERE name = ?")
    ps.setString(1, name)
    val resultSet = ps.executeQuery()
    while(resultSet.next()) {
      val currentId = resultSet.getInt(1)
      ids: currentId
    }
    return connection.createArrayOf("INTEGER", ids.toArray)
  }

My intention is to use the output of this method into another PreparedStatement, using .setArray(1, )

But I get the following error: java.sql.SQLFeatureNotSupportedException

I'm using MySQL. Already tried INTEGER, INT, BIGINT. But all failed.

Answer 1

The translated content is:

After research, we found:

So my solution is to create a temporary table containing only the ids:

val idsStatement = connection.prepareStatement(
   "CREATE TEMPORARY TABLE to_delete_ids SELECT id FROM table WHERE name = ?")
idsStatement.setString(1, name)
idsStatement.executeUpdate()

Then do an inner join with other statements/queries to achieve the same result:

val statementDeleteUsingIds = connection.prepareStatement(
    "DELETE to_delete_rows FROM table2 to_delete_rows INNER JOIN to_delete_ids tdi ON tdi.id = to_delete_rows.other_tables_id")
statementDeleteUsingIds.executeUpdate()