Пример #1
0
void
PlanNodeFragment::nodeListFromJSONObject(PlanNodeFragment *pnf, PlannerDomValue planNodesList, PlannerDomValue executeList, int stmtId)
{
    assert(pnf->m_stmtExecutionListMap.find(stmtId) == pnf->m_stmtExecutionListMap.end());
    // NODE_LIST
    std::vector<AbstractPlanNode*> planNodes;
    for (int i = 0; i < planNodesList.arrayLen(); i++) {
        AbstractPlanNode *node = AbstractPlanNode::fromJSONObject(planNodesList.valueAtIndex(i));
        assert(node);
        assert(pnf->m_idToNodeMap.find(node->getPlanNodeId()) == pnf->m_idToNodeMap.end());
        pnf->m_idToNodeMap[node->getPlanNodeId()] = node;
        planNodes.push_back(node);
    }

    // walk the plannodes and complete each plannode's id-to-node maps
    for (std::vector< AbstractPlanNode* >::const_iterator node = planNodes.begin();
         node != planNodes.end(); ++node) {
        const std::vector<CatalogId>& childIds = (*node)->getChildIds();

        for (int zz = 0; zz < childIds.size(); zz++) {
            (*node)->addChild(pnf->m_idToNodeMap[childIds[zz]]);
        }
    }

    // EXECUTE_LIST
    std::auto_ptr<std::vector<AbstractPlanNode*> > executeNodeList(new std::vector<AbstractPlanNode*>());
    for (int i = 0; i < executeList.arrayLen(); i++) {
        executeNodeList->push_back(pnf->m_idToNodeMap[executeList.valueAtIndex(i).asInt()]);
    }
    pnf->m_stmtExecutionListMap.insert(std::make_pair(stmtId, executeNodeList.get()));
    executeNodeList.release();

}
Пример #2
0
PlanNodeFragment *
PlanNodeFragment::fromJSONObject(PlannerDomValue obj)
{
    auto_ptr<PlanNodeFragment> pnf(new PlanNodeFragment());

    // read and construct plannodes from json object
    PlannerDomValue planNodesArray = obj.valueForKey("PLAN_NODES");

    for (int i = 0; i < planNodesArray.arrayLen(); i++) {
        AbstractPlanNode *node = NULL;
        node = AbstractPlanNode::fromJSONObject(planNodesArray.valueAtIndex(i));
        assert(node);

        pnf->m_planNodes.push_back(node);
        pnf->m_idToNodeMap[node->getPlanNodeId()] = node;
    }

    // walk the plannodes and complete each plannode's id-to-node maps
    for (std::vector< AbstractPlanNode* >::const_iterator node = pnf->m_planNodes.begin();
         node != pnf->m_planNodes.end(); ++node) {
        const std::vector<CatalogId> childIds = (*node)->getChildIds();
        for (int zz = 0; zz < childIds.size(); zz++) {
            (*node)->addChild(pnf->m_idToNodeMap[childIds[zz]]);
        }
    }
    pnf->loadFromJSONObject(obj);

    PlanNodeFragment *retval = pnf.get();
    pnf.release();
    assert(retval);
    return retval;
}
Пример #3
0
PlanNodeFragment *
PlanNodeFragment::fromJSONObject(json_spirit::Object &obj)
{
    json_spirit::Value planNodesValue = json_spirit::find_value( obj, "PLAN_NODES");
    if (planNodesValue == json_spirit::Value::null) {
        throwFatalException("Failure attempting to load plan a plan node fragment from a "
                                 "json_spirit::Object. There was no value \"PLAN_NODES\"");
    }

    PlanNodeFragment * pnf = new PlanNodeFragment();
    // read and construct plannodes from json object
    json_spirit::Array planNodesArray = planNodesValue.get_array();
    for (int ii = 0; ii < planNodesArray.size(); ii++) {
        AbstractPlanNode *node = NULL;
        try {
            node = AbstractPlanNode::fromJSONObject(planNodesArray[ii].get_obj());
        }
        catch (SerializableEEException &ex) {
            delete pnf;
            throw;
        }
        pnf->m_planNodes.push_back(node);
        pnf->m_idToNodeMap[node->getPlanNodeId()] = node;
    }

    // walk the plannodes and complete each plannode's id-to-node maps
    for (std::vector< AbstractPlanNode* >::const_iterator node = pnf->m_planNodes.begin();
         node != pnf->m_planNodes.end(); ++node) {
        const std::vector<CatalogId> childIds = (*node)->getChildIds();
        std::vector<AbstractPlanNode*> &children = (*node)->getChildren();
        for (int zz = 0; zz < childIds.size(); zz++) {
            children.push_back(pnf->m_idToNodeMap[childIds[zz]]);
        }

        const std::vector<CatalogId> parentIds = (*node)->getParentIds();
        std::vector<AbstractPlanNode*> &parents = (*node)->getParents();
        for (int zz = 0; zz < parentIds.size(); zz++) {
            parents.push_back(pnf->m_idToNodeMap[parentIds[zz]]);
        }
    }
    try {
        pnf->loadFromJSONObject(obj);
    }
    catch (SerializableEEException &eeEx) {
        delete pnf;
        throw;
    }
    return pnf;
}