Package org.voltdb.plannodes

Examples of org.voltdb.plannodes.PlanNodeList

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     * Update the plan fragment and return the bytes of the plan
     */
    static byte[] writePlanBytes(VoltCompiler compiler, PlanFragment fragment, AbstractPlanNode planGraph)
    throws VoltCompilerException {
        // get the plan bytes
        PlanNodeList node_list = new PlanNodeList(planGraph);
        String json = node_list.toJSONString();
        compiler.captureDiagnosticJsonFragment(json);
        // Place serialized version of PlanNodeTree into a PlanFragment
        byte[] jsonBytes = json.getBytes(Charsets.UTF_8);
        String bin64String = Encoder.compressAndBase64Encode(jsonBytes);
        fragment.setPlannodetree(bin64String);
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        assertTrue(pn.get(1).toExplainPlanString().contains("LIMIT"));
    }

    public void testLimit() {
        List<AbstractPlanNode> pn = compileToFragments("select PKEY from T1 order by PKEY limit 5");
        PlanNodeList pnl = new PlanNodeList(pn.get(0));
        System.out.println(pnl.toDOTString("FRAG0"));
        pnl = new PlanNodeList(pn.get(1));
        System.out.println(pnl.toDOTString("FRAG1"));
    }
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    public static byte[] bytesForPlan(AbstractPlanNode planGraph) {
        if (planGraph == null) {
            return null;
        }

        PlanNodeList planList = new PlanNodeList(planGraph);
        return planList.toJSONString().getBytes(Constants.UTF8ENCODING);
    }
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Related Classes of org.voltdb.plannodes.PlanNodeList

  • edu.brown.plannodes.PlanNodeUtil
  • edu.brown.plannodes.TestPlanNodeUtil
  • edu.brown.utils.CompilerUtil
  • org.json.JSONArray
  • org.json.JSONObject
  • org.json.JSONStringer
  • org.json_voltpatches.JSONStringer
  • org.voltdb.compiler.PlannerTool
  • org.voltdb.compiler.StatementCompiler
  • org.voltdb.planner.CompiledPlan
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