org.h2.command.dml.Query.setRandomAccessResult()方法的使用及代码示例

x33g5p2x  于2022-01-28 转载在 其他  
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本文整理了Java中org.h2.command.dml.Query.setRandomAccessResult方法的一些代码示例,展示了Query.setRandomAccessResult的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台,是从一些精选项目中提取出来的代码,具有较强的参考意义,能在一定程度帮忙到你。Query.setRandomAccessResult方法的具体详情如下:
包路径:org.h2.command.dml.Query
类名称:Query
方法名:setRandomAccessResult

Query.setRandomAccessResult介绍

[英]Whether results need to support random access.
[中]结果是否需要支持随机访问。

代码示例

代码示例来源:origin: com.h2database/h2

@Override
public Expression optimize(Session session) {
  left = left.optimize(session);
  query.setRandomAccessResult(true);
  session.optimizeQueryExpression(query);
  if (query.getColumnCount() != 1) {
    throw DbException.get(ErrorCode.SUBQUERY_IS_NOT_SINGLE_COLUMN);
  }
  // Can not optimize: the data may change
  return this;
}

代码示例来源:origin: com.eventsourcing/h2

@Override
public Expression optimize(Session session) {
  left = left.optimize(session);
  query.setRandomAccessResult(true);
  session.optimizeQueryExpression(query);
  if (query.getColumnCount() != 1) {
    throw DbException.get(ErrorCode.SUBQUERY_IS_NOT_SINGLE_COLUMN);
  }
  // Can not optimize: the data may change
  return this;
}

代码示例来源:origin: org.wowtools/h2

@Override
public Expression optimize(Session session) {
  left = left.optimize(session);
  query.setRandomAccessResult(true);
  session.optimizeQueryExpression(query);
  if (query.getColumnCount() != 1) {
    throw DbException.get(ErrorCode.SUBQUERY_IS_NOT_SINGLE_COLUMN);
  }
  // Can not optimize: the data may change
  return this;
}

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