How to use

getTarget

method

in

com.facebook.presto.sql.tree.RenameTable

@Override
protected Void visitRenameTable(RenameTable node, Integer context)
{
  builder.append("ALTER TABLE ")
      .append(node.getSource())
      .append(" RENAME TO ")
      .append(node.getTarget());
  return null;
}

  @Override
  public ListenableFuture<?> execute(RenameTable statement, TransactionManager transactionManager, Metadata metadata, AccessControl accessControl, QueryStateMachine stateMachine, List<Expression> parameters)
  {
    Session session = stateMachine.getSession();
    QualifiedObjectName tableName = createQualifiedObjectName(session, statement, statement.getSource());
    Optional<TableHandle> tableHandle = metadata.getTableHandle(session, tableName);
    if (!tableHandle.isPresent()) {
      throw new SemanticException(MISSING_TABLE, statement, "Table '%s' does not exist", tableName);
    }

    QualifiedObjectName target = createQualifiedObjectName(session, statement, statement.getTarget());
    if (!metadata.getCatalogHandle(session, target.getCatalogName()).isPresent()) {
      throw new SemanticException(MISSING_CATALOG, statement, "Target catalog '%s' does not exist", target.getCatalogName());
    }
    if (metadata.getTableHandle(session, target).isPresent()) {
      throw new SemanticException(TABLE_ALREADY_EXISTS, statement, "Target table '%s' already exists", target);
    }
    if (!tableName.getCatalogName().equals(target.getCatalogName())) {
      throw new SemanticException(NOT_SUPPORTED, statement, "Table rename across catalogs is not supported");
    }
    accessControl.checkCanRenameTable(session.getRequiredTransactionId(), session.getIdentity(), tableName, target);

    metadata.renameTable(session, tableHandle.get(), target);

    return immediateFuture(null);
  }
}

@Override
protected Void visitRenameTable(RenameTable node, Integer context) {
  builder.append("ALTER TABLE ")
      .append(node.getSource())
      .append(" RENAME TO ")
      .append(node.getTarget());
  return null;
}

@Override
protected Void visitRenameTable(RenameTable node, Integer context)
{
  builder.append("ALTER TABLE ")
      .append(node.getSource())
      .append(" RENAME TO ")
      .append(node.getTarget());
  return null;
}

@Override
protected Void visitRenameTable(RenameTable node, Integer context)
{
  builder.append("ALTER TABLE ")
      .append(node.getSource())
      .append(" RENAME TO ")
      .append(node.getTarget());
  return null;
}

@Override
protected Void visitRenameTable(RenameTable node, Integer context)
{
  builder.append("ALTER TABLE ")
      .append(node.getSource())
      .append(" RENAME TO ")
      .append(node.getTarget());
  return null;
}

  @Override
  public CompletableFuture<?> execute(RenameTable statement, TransactionManager transactionManager, Metadata metadata, AccessControl accessControl, QueryStateMachine stateMachine)
  {
    Session session = stateMachine.getSession();
    QualifiedObjectName tableName = createQualifiedObjectName(session, statement, statement.getSource());
    Optional<TableHandle> tableHandle = metadata.getTableHandle(session, tableName);
    if (!tableHandle.isPresent()) {
      throw new SemanticException(MISSING_TABLE, statement, "Table '%s' does not exist", tableName);
    }

    QualifiedObjectName target = createQualifiedObjectName(session, statement, statement.getTarget());
    if (!metadata.getCatalogNames().containsKey(target.getCatalogName())) {
      throw new SemanticException(MISSING_CATALOG, statement, "Target catalog '%s' does not exist", target.getCatalogName());
    }
    if (metadata.getTableHandle(session, target).isPresent()) {
      throw new SemanticException(TABLE_ALREADY_EXISTS, statement, "Target table '%s' already exists", target);
    }
    if (!tableName.getCatalogName().equals(target.getCatalogName())) {
      throw new SemanticException(NOT_SUPPORTED, statement, "Table rename across catalogs is not supported");
    }
    accessControl.checkCanRenameTable(session.getRequiredTransactionId(), session.getIdentity(), tableName, target);

    metadata.renameTable(session, tableHandle.get(), target);

    return completedFuture(null);
  }
}