com.yahoo.squidb.sql.Query.unionAll()方法的使用及代码示例

x33g5p2x  于2022-01-29 转载在 其他  
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本文整理了Java中com.yahoo.squidb.sql.Query.unionAll方法的一些代码示例,展示了Query.unionAll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.unionAll方法的具体详情如下:
包路径:com.yahoo.squidb.sql.Query
类名称:Query
方法名:unionAll

Query.unionAll介绍

[英]Form a compound select with the given query using the UNION ALL operator
[中]使用UNION ALL运算符与给定查询形成复合select

代码示例

代码示例来源:origin: yahoo/squidb

/**
 * Form a compound select with the given query using the UNION ALL operator
 *
 * @param query a Query object to append with the UNION ALL operator
 * @return this Query object, to allow chaining method calls
 * @see <a href="http://www.sqlite.org/lang_select.html#compound">http://www.sqlite.org/lang_select.html#compound</a>
 */
public Query unionAll(Query query) {
  if (immutable) {
    return fork().unionAll(query);
  }
  addCompoundSelect(CompoundSelect.unionAll(query));
  return this;
}

代码示例来源:origin: com.yahoo.squidb/squidb

/**
 * Form a compound select with the given query using the UNION ALL operator
 *
 * @param query a Query object to append with the UNION ALL operator
 * @return this Query object, to allow chaining method calls
 * @see <a href="http://www.sqlite.org/lang_select.html#compound">http://www.sqlite.org/lang_select.html#compound</a>
 */
public Query unionAll(Query query) {
  if (immutable) {
    return fork().unionAll(query);
  }
  addCompoundSelect(CompoundSelect.unionAll(query));
  return this;
}

代码示例来源:origin: yahoo/squidb

public void testUnionAll() {
  Query query = Query.select().from(Employee.TABLE).where(Employee.MANAGER_ID.eq(1))
      .unionAll(Query.select().from(Employee.TABLE).where(Employee.ID.eq(2)))
      .orderBy(Employee.ID.asc());
  SquidCursor<Employee> cursor = database.query(Employee.class, query);
  try {
    assertEquals(4, cursor.getCount());
    cursor.moveToFirst();
    assertEquals(cookieMonster, new Employee(cursor));
    cursor.moveToNext();
    assertEquals(cookieMonster, new Employee(cursor));
    cursor.moveToNext();
    assertEquals(elmo, new Employee(cursor));
    cursor.moveToNext();
    assertEquals(oscar, new Employee(cursor));
  } finally {
    cursor.close();
  }
}

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