本文整理汇总了Java中org.voltdb.planner.TrivialCostModel类的典型用法代码示例。如果您正苦于以下问题：Java TrivialCostModel类的具体用法？Java TrivialCostModel怎么用？Java TrivialCostModel使用的例子？那么, 这里精选的类代码示例或许可以为您提供帮助。
TrivialCostModel类属于org.voltdb.planner包，在下文中一共展示了TrivialCostModel类的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: planSqlCore
import org.voltdb.planner.TrivialCostModel; //导入依赖的package包/类
/**
* Stripped down compile that is ONLY used to plan default procedures.
*/
public synchronized CompiledPlan planSqlCore(String sql, StatementPartitioning partitioning) {
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);
CompiledPlan plan = null;
try {
// do the expensive full planning.
planner.parse();
plan = planner.plan();
assert(plan != null);
}
catch (Exception e) {
throw new RuntimeException("Error compiling query: " + e.toString(), e);
}
if (plan == null) {
throw new RuntimeException("Null plan received in PlannerTool.planSql");
}
return plan;
}