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Minimal database operation library.

Home Page: https://github.com/biezhi/anima/wiki

License: Apache License 2.0

Java 100.00%

activerecord orm-framework transaction database java8

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anima's Issues

java.lang.NoClassDefFoundError: com/blade/reflectasm/MethodAccess

save,update 等方法时报错
我看anima源码也没有MethodAccess这个class啊

很看好这个库，强烈支持，望今后持续更新下去！

其中的Lambda写法和jooq有异曲同工之妙，都能做到类型安全。只不过jooq用起来很繁琐，还要生成一堆代码。而这个非常简洁。

fieldName error

createTime 被转成了create_time
Caused by: java.sql.SQLSyntaxErrorException: Unknown column 'create_time' in 'field list'

Custom table name, column name

@Table(name = "k_user", pk = "uid")
public class User {

    private Integer uid;

    @Column(name = "create_at")
    private String createTime;

}

希望Anima的查询可以支持添加Model参数自动的动态拼接SQL

做一些列表筛选的项目的时候可能往往简单的做法是前端表单直接动态可选的提交一些参数，后端由mvc框架自动的封装成对象，然后希望Anima直接支持传入一个Model的实例对象，Anima根据这个实例对象自动动态的拼接查询SQL。

当前只能手动一个属性一个属性的判断是否非空或非空字符串，也算得上是样板代码了

最后希望实现的效果伪代码:

User user = new User();
user.setGender(Gender.FEMALE.getCode());
user.setVipLevel(5);
user.setCreatedTime(LocalDateTime.now().minusMonths(1));


Anima.select().from(User.class).where(user).all();
//当然Model也希望添加直接查询的方法如  user.all() or user.limit(10) or user.page(1,10);
//最后输出SQL：select * from user where gender = ? and vip_level=? and created_time = ?

//支持 exclude  model的部分field
Anima.select()
        .from(User.class)
        .where(user,User::getCreatedTime)//where(T model,Fn<T,R>... excludeFields)
        .gte(User::getCreatedTime,user.getCreatedTime())
        .all();
//输出的SQL：select * from user where gender =? and vip_level=? and created_time >= ?


//当前只能自己手动判断如：
AnimaQuery<User> query =  Anima.select().from(User.class);
if(user.getGender()!=null){
        query.and(User::getGender).eq(user.getGender());
}
//.....

希望Anima的Model添加对枚举的自动映射支持

如题，希望Model添加对枚举的自动映射支持，允许通过注解等方式指定映射枚举哪个属性（或者直接toString或者索引值ordinal）映射数据库的字段

伪代码：

public enum Gender{
        M,F;
}

public enum VipLevel{
        VIP1(1,"初级会员"),
        VIP2(2,"高级会员"),
        VIP3(3,"至尊会员");
 
        private int code;
        private String desc;
        //Getter Setter Constructor
}

@Table(name="`user`")
public class User extends Model{
        @EnumMapping(EnumMapping.TO_STRING)//映射数据库转换的时候直接调用toString()
        private Gender gender;
        @EnumMapping("code")//映射数据库转换的时候调用getCode()方法获取code值
        private VipLevel vipLevel;
}


public @interface EnumMapping {
    //预设 调用枚举的toString方法
    String TO_STRING = "toString";
    //预设 调用枚举的ordinal方法
    String ORDINAL = "ordinal";
    //默认是直接调用toString方法
    String value() default TO_STRING;
}

数据库-数据

select  user_id,user_Name,login
from user_info
where user_id = 1

数据结果:

实体

package io.github.biezhi.anima.model;
import  io.github.biezhi.anima.Model;
import io.github.biezhi.anima.annotation.Column;
import io.github.biezhi.anima.annotation.Ignore;
import io.github.biezhi.anima.annotation.Table;
import lombok.Data;


@Table(name="user_info")
@Data
public class UserInfo extends  Model {

    @Column(name = "user_id")
    private Long id;

    @Column(name = "user_Name")
    private String name;

    private Long login;

    @Ignore
    private String other;
}

单元测试

package io.github.biezhi.anima;

import io.github.biezhi.anima.model.UserInfo;
import org.junit.Test;

import java.util.List;

import static io.github.biezhi.anima.Anima.select;

public class Sql2oTest  {

    @Test
    public void  Test(){
        String url = "jdbc:mysql://192.168.1.100:3307/g_main?useUnicode=true&characterEncoding=utf-8&serverTimezone=GMT%2B8&useSSL=false";
        String user ="root";
        String pass ="123456";
        Anima.open(url,user,pass);
        List<UserInfo> users = select().from(UserInfo.class).where("user_id = ?",1).all();
        for (UserInfo item : users)
        {
            System.out.println("id:"+item.getId());
            System.out.println("name:"+item.getName());
            System.out.println("login:"+item.getLogin());
            System.out.println("other:"+item.getOther());
        }

    }
}

程序运行结果

18:31:52.663 [main] DEBUG org.sql2o.Query - Execute SQL => SELECT * FROM user_info WHERE user_id = ?
18:31:52.666 [main] DEBUG org.sql2o.Query - Parameters  => [1]
18:31:52.709 [main] DEBUG org.sql2o.Query - Total       => 47 ms, execution: 36 ms, reading and parsing: 11 ms; executed [null]
id:null
name:null
login:-1
other:null

Process finished with exit code 0

好像 @column没被sql2o识别和注入进入导致查询出来的id,name 标记@column的字段都为null

Anima 高级用法，获取枚举中字段的值

Anima 高级用法，如果想获取 desc 字段的值，如获取‘初级会员’，‘高级会员’，应该要怎样写呢？

`public enum VipLevel {

VIP1(1, "初级会员"),
VIP2(2, "高级会员"),
VIP3(3, "至尊会员");

private int    code;
private String desc;

VipLevel(int code, String desc) {
    this.code = code;
    this.desc = desc;
}

SqlServer2012以上可以使用offset-fetch翻页来提升性能

SqlServer2012及以上版本可以使用offset-fetch翻页来提升性能，最终的sql可以如下

select * from table 
where column = ? 
order by current_timestamp -- 注1
offset ? rows fetch next ? rows only

注1：如果用户的sql没有order by，offset必须要在order by后面，因此可以添加一个根据时间戳order by，如果用户的sql有order by，则无需为其再添加order by

另外发现目前的SqlServerDialect分页是有bug的，生成出来的分页sql运行不通过，如果我没测试错的话。

StringBuilder sql = new StringBuilder();
sql.append("SELECT * FROM ( SELECT row_number() over (ORDER BY tempcolumn) temprownumber, * FROM ( SELECT top ")
        .append(end)
        .append(" tempcolumn=0,")
        .append(select(sqlParams))
        .append(")vip)mvp where temprownumber>")
        .append(begin);

append(select(sqlParams))这行，因为内置select(sqlParams)函数拼接出来的sql是带有select开头的，导致这里最终拼接出来的sql语句错误
append(")vip)mvp where temprownumber>")这行，最后的应该是>=
sqlserver带有distinct的语句（比如自定义sql的分页），top要放在distinct后面
最外层的row_number() over (ORDER BY tempcolumn)可以基于current_timestamp来排序，无需在内层多添加一列常量列，即：row_number() over (ORDER BY current_timestamp)

Support or grammar

select().from(User.class).where("id", 10).or("age > ?", 15).one();

Anima的部分性能问题

追踪了下源码，发现page方法生成count语句比较简单粗暴，直接用个count语句嵌套生成出来的sql，这样做针对于自定义复杂的sql无可厚非，但是针对单表动态拼接生成出来的sql，测试了下数据量大的时候有严重的性能问题，建议内部区分一下是自定义sql还是生成的sql，如果是生成的sql建议还是按照标准的count语句来。
另外发现page查询先查询count，当count已知为0了，依然会发送数据查询的sql，此处也可以做下优化，当count为0时直接rows设置空集合，不在发送一条查询sql。
Join查询的时候，反正目前看也没用到类似于Hibernate的延迟加载的形式，不知是否可以尝试优化成 sql的in语句，一条语句查询完成，而不是使用for循环一条条的查询。

Custom rollback exception type

Anima.open(....).rollbackException(CustomException.class);

Caused by: java.lang.IllegalArgumentException: Unable to find non-private method: getRush with 0 params.
at com.blade.reflectasm.MethodAccess.getIndex(MethodAccess.java:74)
at com.blade.reflectasm.MethodAccess.invokeWithCache(MethodAccess.java:47)
at io.github.biezhi.anima.utils.AnimaUtils.invokeMethod(AnimaUtils.java:147)
at io.github.biezhi.anima.utils.AnimaUtils.toColumnValues(AnimaUtils.java:101)

调用save时出现的，rush是个boolean

是否支持纯SQL脚本？

自定义查询 - 查询多列的时候如何返回？List<Map>吗？

save()不支持null字段过滤,导致没法使用数据库的默认值

Support Transaction

Anima.atomic( () -> {
    User.set("name", "jack").update(23);
    new SystemLog("update", new Date(), 189L).save();
});

请问在insert时除了save可以BY

在Spring中如何配置呢

使用Anima.atomic连接池泄露

每使用Anima.atomic一次，就泄露一个连接，跟踪了一下代码，发现在AnimaQuery中，方法
private Connection getConn() {
Connection connection = localConnection.get();
return ifNotNullReturn(connection, connection, this.getSql2o().open());
}
ifNotNullReturn(connection, connection, this.getSql2o().open()); 这儿无论connection是否为空，都回去调用this.getSql2o().open()打开新的连接，我把这儿改成
if (connection!= null) {
return connection;
} else{
return this.getSql2o().open();
}
不知道我的理解是否正确

查询指定的列能不能加上多字段查询

现在只能查询一个字段的指定列，能加上查询多个字段的指定列吗

0.2.5版本没有isNull()这个接口

在wiki文档有这个接口，但实际并没有，我用的是0.2.5版本

Press the primary key to delete in batches

Anima.batchDelete(1, 2, 3, 4);
Anima.batchDelete(list);

select().bySQL 对于字段名为value的查询出错

表设计 (MYSQL)

CREATE TABLE user_info (
  `user_id` INT (11) NOT NULL AUTO_INCREMENT COMMENT '用户Id', 
  `user_name` VARCHAR (255) DEFAULT NULL COMMENT '用户名', 
  `value`  VARCHAR (255)  NULL COMMENT '值',  
  PRIMARY KEY (user_id)
) ENGINE=InnoDB DEFAULT CHARSET=utf8 COMMENT='用户信息';

数据 (MYSQL)

user_id	user_name	value
1	toby	hello world

使用bySQL查询数据单列

正常情况

 @Test
public void query(){
        Anima.open(url,user,pass);
        String value =  select().bySQL(
                String.class,"select user_name from user_info where user_id = 1").one();
        System.out.println(value);
}

输出: toby

查询`value`列

@Test
public void query(){
        Anima.open(url,user,pass);
        String value =  select().bySQL(
                String.class,"select `value` from user_info where user_id = 1").one();
        System.out.println(value);
}

异常信息

15:31:07.962 [main] DEBUG org.sql2o.Query - Execute SQL => select `value` from user_info where user_id = 8
15:31:07.966 [main] DEBUG org.sql2o.Query - Parameters  => []

org.sql2o.Sql2oException: Database error: Unknown column 'value' in 'field list'

	at org.sql2o.Query$ResultSetIterableBase.<init>(Query.java:216)
	at org.sql2o.Query$1.<init>(Query.java:292)
	at org.sql2o.Query.executeAndFetchLazy(Query.java:292)
	at org.sql2o.Query.executeAndFetchFirst(Query.java:343)
	at org.sql2o.Query.executeAndFetchFirst(Query.java:335)
	at io.github.biezhi.anima.core.AnimaQuery.queryOne(AnimaQuery.java:1057)
	at io.github.biezhi.anima.core.ResultList.one(ResultList.java:46)
	at io.github.biezhi.anima.SelectOneTest.query(SelectOneTest.java:20)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
	at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
	at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
	at org.junit.runner.JUnitCore.run(JUnitCore.java:137)
	at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68)
	at com.intellij.rt.execution.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:47)
	at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:242)
	at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:70)
Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Unknown column 'value' in 'field list'
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
	at com.mysql.jdbc.Util.handleNewInstance(Util.java:425)
	at com.mysql.jdbc.Util.getInstance(Util.java:408)
	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:943)
	at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3973)
	at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3909)
	at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2527)
	at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2680)
	at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2501)
	at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1858)
	at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1966)
	at org.sql2o.Query$ResultSetIterableBase.<init>(Query.java:213)
	... 29 more


Process finished with exit code 255

Multi DataSource support

一点疑惑

大佬你好，仓库的源码中我发现有对sql2o这个开源的repo，整个源码的拷贝，然而在本项目的依赖中似乎没有提及，是不是可以有更好的方式呢？

AnimaCache中的METHOD_ACCESS_MAP等等在并发状态下会出错

Exception in thread "main" java.util.concurrent.CompletionException: java.util.ConcurrentModificationException
	at java.base/java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:314)
	at java.base/java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:319)
	at java.base/java.util.concurrent.CompletableFuture$UniAccept.tryFire(CompletableFuture.java:718)
	at java.base/java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:506)
	at java.base/java.util.concurrent.CompletableFuture.postFire(CompletableFuture.java:610)
	at java.base/java.util.concurrent.CompletableFuture$UniWhenComplete.tryFire(CompletableFuture.java:840)
	at java.base/java.util.concurrent.CompletableFuture$Completion.exec(CompletableFuture.java:479)
	at java.base/java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:290)
	at java.base/java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1020)
	at java.base/java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1656)
	at java.base/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1594)
	at java.base/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:177)
Caused by: java.util.ConcurrentModificationException
	at java.base/java.util.HashMap.computeIfAbsent(HashMap.java:1134)
	at io.github.biezhi.anima.utils.AnimaUtils.invokeMethod(AnimaUtils.java:129)
	at io.github.biezhi.anima.utils.AnimaUtils.toColumnValues(AnimaUtils.java:99)
	at io.github.biezhi.anima.core.AnimaQuery.save(AnimaQuery.java:1203)
	at io.github.biezhi.anima.Model.save(Model.java:28)

对于Join的理解疑惑

hi~ Anima 很棒！使用过程中觉得Join的使用有点疑惑，望指教 ^^

假设要实现多表查询，例如：

实体


@Table(name = "table1")
@Data
public class Table1  extends Model {

    @Column(name = "id")
    private int id;

    @Column(name = "no")
    private String no;
}


@Table(name = "table2")
@Data
public class Table2  extends Model {

    @Column(name = "id")
    private int id;

    @Column(name = "name")
    private String name;
}

查询语句

select * from table1 as a 
left join table2 as b 
where a.no = 'AAA' and b.name ='BBB'

用 lambda JOIN 需要如何生成这样的SQL，还是目前只能用bySQL()实现？还有对于Join的as()的用法如何去理解~

Global custom table prefix

Anima.open("something").tablePrefix("t_");

exclude HasMany invalid

select().from(UserDto.class).exclude(HasMany.class).byId(1);

lambda query and update

select().from(User.class).where(User::getUserName).equals("jack").one();

select().from(User.class).where(User::getAge).gt(15).and(User::getId).in(1, 4, 5).all();

update().from(User.class).set(User::getAge, 20).where(User::getId).equals(3).execute();

delete().from(User.class).where(User::getId).equals(3).execute();

Support Java 8 DateTime API

LocalDate
LocalDateTime

连接池的支持

这个框架如何支持如c3p0或druid的连接池

对模型执行update操作后id属性被置为NULL

表结构

DROP TABLE IF EXISTS `t_user`;
CREATE TABLE `t_user`  (
  `id` int(11) UNSIGNED NOT NULL AUTO_INCREMENT,
  `username` varchar(20) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL,
  `password` varchar(50) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL,
  `email` varchar(50) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL,
  `activated` tinyint(1) NULL DEFAULT 0,
  PRIMARY KEY (`id`) USING BTREE
) ENGINE = InnoDB AUTO_INCREMENT = 7 CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = Dynamic;

SET FOREIGN_KEY_CHECKS = 1;

User模型

@Table(name = "t_user")
public class User extends Model {

    private Integer id;
    private String username;
    private String password;
    private String email;
    private boolean activated;

    public User(String username, String password, String email) {
        this.username = username;
        this.password = password;
        this.email = email;
    }

    public String getEmail() {
        return email;
    }

    public void setEmail(String email) {
        this.email = email;
    }



    public Integer getId() {
        return id;
    }

    public void setId(Integer id) {
        this.id = id;
    }

    public String getUsername() {
        return username;
    }

    public void setUsername(String username) {
        this.username = username;
    }

    public String getPassword() {
        return password;
    }

    public void setPassword(String password) {
        this.password = password;
    }
    public boolean getActivated() { return activated; }

    public void setActivated(boolean activated) { this.activated = activated; }

    @Override
    public String toString() {
        return "User{" +
                "id=" + id +
                ", username='" + username + '\'' +
                ", password='" + password + '\'' +
                ", email='" + email + '\'' +
                ", activated=" + activated +
                '}';
    }
}

例如执行：
user.setActivated(true);
user.update();
在执行完update之后，user模型的Id属性被置为NULL

Join查询时有bug

AnimaQuery第1453行

Field modelField = model.getClass().getDeclaredField(joinParam.getOnLeft());

这一行有Bug，后面的joinParam.getOnLeft()是通过原field转化后的column列名，所以如果出现比如field是userId这种驼峰形式或者使用了@Column(name="user_id")注解等情况时，joinParam的onLeft属性是user_id，此时获取Field就会失败。

帮忙看一下这个错误是如何引起的

Joins add order by

Joins.with(Person.class)
    .as(User::getPersons())
    .on(User::getId, Person::getUid)
    .order(Person::getId, DESC);

Joins.with(Person.class)
    .as(User::getPersons())
    .on(User::getId, Person::getUid)
    .order("id asc");

hasOne hasMany belongsTo

save操作获取主键时报错

数据库：MySQL 版本 5.7.20

// save操作
Integer id = save(role).asInt();

实体类：

public class SysRole extends Model {
    private Integer id; //  对应数据库类型为 INT(11)
    private String  name;
    @Column(name = "`desc`")
    private String  desc;
    private Long    createTime;
    private Long    modifyTime;
    ...
}

错误信息：

java.lang.ClassCastException: java.math.BigInteger cannot be cast to java.lang.Integer
	at io.github.biezhi.anima.core.ResultKey.asInt(ResultKey.java:38)
        ....

错误点：

public Integer asInt() {
    if (key instanceof Long) {
        return asLong().intValue();
    }
    return (Integer) key;// 异常行，debug发现此处key实际是BigInteger类型，类型转换报错
}

暂时修改办法，仿照Long的处理方法，增加对BigInteger类型的处理：

// 修改
public Integer asInt() {
    if (key instanceof Long) {
        return asLong().intValue();
    }
    if (key instanceof BigInteger) {
        return asBigInteger.intValue();
    }
    return (Integer) key;
}
// 新增
public BigInteger asBigInteger() {
    return (Long) key;
}

PostgreSQL 分页

PostgreSQL 不支持 LIMIT #,# 语法，如何变成LIMIT # OFFSET # 语法？

Transaction bug

An exception occurs when read and write simultaneously.

Amani.atom( () -> {
    // read
    // write
});

public enum BaseStatus {

    INTI(0, "init"),
    NORMAL(1, "normal"),
    BANED(8, "baned"),
    DELETED(9, "deleted")
    ;
    private Integer code;
    private String  desc;

}

在使用的时候发现@EnumMapping只支持一般的枚举类型，不支持自定义的方法获取值写入数据库

个人修改了一下写入数据库的时候

// AnimaUtils 107
if (enumMapping.value().equals(EnumMapping.TO_STRING)) {
    columnValueList.add(value.toString());
} else if (enumMapping.value().equals(EnumMapping.ORDINAL)) {
    columnValueList.add(((Enum) value).ordinal());
} else {
    columnValueList.add(invokeMethod(value, enumMapping.value(), EMPTY_ARG));
}

在读取数据时的转换类似乎也没有设置的接口（仅有NoQuirks的构造函数），希望这里能提供一个方法来设置。