protected ConvertedRelNode validateAndConvert(SqlNode sqlNode)
throws ForemanSetupException, RelConversionException, ValidationException {
final SqlNode rewrittenSqlNode = rewrite(sqlNode);
final TypedSqlNode validatedTypedSqlNode = validateNode(rewrittenSqlNode);
final SqlNode validated = validatedTypedSqlNode.getSqlNode();
RelNode rel = convertToRel(validated);
rel = preprocessNode(rel);
return new ConvertedRelNode(rel, validatedTypedSqlNode.getType());
}
