null,
new HepPlanner(new HepProgramBuilder().build()),
EnumerableConvention.INSTANCE);
final SqlToRelConverter converter =
preparingStmt.getSqlToRelConverter(validator, catalogReader);
final RelNode relNode = converter.convertQuery(sqlNode1, false, true);
return new ConvertResult(this, validator, sql, sqlNode1,
validator.getValidatedNodeType(sqlNode1), relNode);
}
/** Creates a collection of planner factories.