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DBFlow Android选择最常用的值_Android_Sqlite_Dbflow - Fatal编程技术网

DBFlow Android选择最常用的值

DBFlow Android选择最常用的值,android,sqlite,dbflow,Android,Sqlite,Dbflow,我想使用dbFlow选择最常用的名称。 在SQLite中,它将是: SELECT `Employee`.name FROM `Employee` GROUP BY `Employee`.name HAVING COUNT(*) = (SELECT MAX(cn) FROM (SELECT `Employee`.name, COUNT(*) AS cn FROM `Employee` GROUP BY `name`)) 我试过: SQLite

我想使用dbFlow选择最常用的名称。 在SQLite中,它将是:

SELECT `Employee`.name
FROM `Employee`
GROUP BY `Employee`.name
HAVING COUNT(*) =
  (SELECT MAX(cn) FROM
     (SELECT `Employee`.name, COUNT(*) AS cn
      FROM `Employee`
      GROUP BY `name`))
我试过:

        SQLite.select(Employee_Table.name)
                .from(Employee.class)
                .groupBy(Employee_Table.name)
                .having(Method.count().eq(
                        SQLite.select(
                                Method.max("cn")).from(
                                SQLite.select(Employee_Table.name, Method.count().as("cn"))
                                        .from(Employee.class)
                                        .groupBy(Employee_Table.name)
                        )
                        )
                )

但是Method.max不接受别名。还是只运行原始查询?

Method.max只接受属性 您可以使用创建一个

public static Property<Long> name(String value) {
    return new Property<Long>(null, value) {
        @Override
        public String toString() {
            return nameAlias.nameRaw();
        }
    };
}
Method.max(name("cn"))