Examples of org.voltdb.planner.TrivialCostModel

org.voltdb.planner.TrivialCostModel
The trivial cost model returns one for any plan. In theory this will always select the first plan given to it, but it doesn't really matter.


            //////////////////////
            // PLAN THE STMT
            //////////////////////


            TrivialCostModel costModel = new TrivialCostModel();
            QueryPlanner planner = new QueryPlanner(
                    cluster, db, hsql, new DatabaseEstimates(), false, true);
            CompiledPlan plan = null;
            try {
                plan = planner.compilePlan(

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            compiler.addInfo(msg);


            catalogStmt.setSinglepartition(_singleSited);
            String name = catalogStmt.getParent().getName() + "-" + catalogStmt.getName();
    
            TrivialCostModel costModel = new TrivialCostModel();
            try {
                plan = planner.compilePlan(costModel, catalogStmt.getSqltext(),
                        catalogStmt.getName(), catalogStmt.getParent().getName(),
                        catalogStmt.getSinglepartition(), null);
            } catch (Throwable e) {

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            //////////////////////
            // PLAN THE STMT
            //////////////////////


            TrivialCostModel costModel = new TrivialCostModel();
            DatabaseEstimates estimates = new DatabaseEstimates();
            QueryPlanner planner = new QueryPlanner(
                    sql, "PlannerTool", "PlannerToolProc", m_cluster, m_database,
                    partitioning, m_hsql, estimates, true,
                    AD_HOC_JOINED_TABLE_LIMIT, costModel, null, null, DeterminismMode.FASTER);

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        String name = catalogStmt.getParent().getTypeName() + "-" + catalogStmt.getTypeName();
        String sql = catalogStmt.getSqltext();
        String stmtName = catalogStmt.getTypeName();
        String procName = catalogStmt.getParent().getTypeName();
        TrivialCostModel costModel = new TrivialCostModel();


        CompiledPlan plan = null;
        QueryPlanner planner = new QueryPlanner(
                sql, stmtName, procName,  catalog.getClusters().get("cluster"), db,
                partitioning, hsql, estimates, false, DEFAULT_MAX_JOIN_TABLES,

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Related Classes of org.voltdb.planner.TrivialCostModel

org.voltdb.compiler.PlannerTool

org.voltdb.compiler.StatementCompiler

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