Java RelOptUtil.registerAbstractRels示例

    public OptiqPreparingStmt(
        CatalogReader catalogReader, RelDataTypeFactory typeFactory, Schema schema) {
      super(catalogReader);
      this.schema = schema;
      planner = new VolcanoPlanner();
      planner.addRelTraitDef(CallingConventionTraitDef.instance);
      RelOptUtil.registerAbstractRels(planner);
      planner.addRule(JavaRules.ENUMERABLE_JOIN_RULE);
      planner.addRule(JavaRules.ENUMERABLE_CALC_RULE);
      planner.addRule(JavaRules.ENUMERABLE_AGGREGATE_RULE);
      planner.addRule(JavaRules.ENUMERABLE_SORT_RULE);
      planner.addRule(JavaRules.ENUMERABLE_UNION_RULE);
      planner.addRule(JavaRules.ENUMERABLE_INTERSECT_RULE);
      planner.addRule(JavaRules.ENUMERABLE_MINUS_RULE);
      planner.addRule(TableAccessRule.instance);

      rexBuilder = new RexBuilder(typeFactory);
    }