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gosql's Issues

db tag lowercase?

资询个问题:
mysql 表字字段是大写, 比如 COL_NAME

结构定义为 
type def struct{
   ColName string `db:"col_name"` 
}
这样查询是空的,大小写不匹配, 有没有类似这样 `db:"col_name";lowercase:true`用法?

模型批量查询能支持分表吗?

你好,这种查询能支持分表吗?
rows := make([]*models.TopicInfo, 0)
_ = gosql.Model(&rows).Where("uid=? ", uid).OrderBy("id DESC").Limit(20).All()

Is this a BUG

result, err := b.db.Exec(b.updateString(m), b.args...)

err:
Query: UPDATE user SET updated_at=? WHERE (id in (?));
Args: []interface {}{1617872905, []int64{413}}
Error: sql: converting argument $2 type: unsupported type []int64, a slice of int64

能不能提供一个对外设置showsql的方法?

是这样的,我现在线上有一个需求是,默认的情况下,不显示sql语句,但是比如线上出了问题,我需要在不重启服务的情况下修改我本地的配置文件,监听配置文件变化改变你的showsql为true,监听本地配置文件变化,并获取新的配置文件我用的viper 这个配置库,所以能不能对外提供一个主动设置showsql的方法?

默认的gosql里面没有Commit ???

package main

import (
	"fmt"
	_ "github.com/go-sql-driver/mysql" //mysql driver
	"github.com/ilibs/gosql/v2"
	"os"
)

func main() {
	configs := make(map[string]*gosql.Config)
	configs["default"] = &gosql.Config{
		Enable:  true,
		Driver:  "mysql",
		Dsn:     "root:321@@tcp(127.0.0.1:3306)/soulma?charset=utf8mb4&parseTime=True&loc=Asia%2FShanghai",
		ShowSql: true,
	}


	configs["db2"] = &gosql.Config{
		Enable:  true,
		Driver:  "mysql",
		Dsn:     "root:123@@tcp(127.0.0.1:3306)/soulmb?charset=utf8mb4&parseTime=True&loc=Asia%2FShanghai",
		ShowSql: true,
	}
	//connection database
	if err := gosql.Connect(configs); err != nil {
		fmt.Println(err.Error())
		os.Exit(0)
	}

	type UserList struct {
		UID int `db:"Pid"`
	}
	user := UserList{}
	rows  := gosql.Use("db2").QueryRowx("SELECT * FROM user_list WHERE pid = 1333;")
	gosql.Begin()
	// `木有gosql.Commit这函数`
	gosql.Begin()
	gosql.Use("db2").Commit() // `这里有Commit函数`
	fmt.Println(rows.Err(),user)
}

偶尔会出现卡死

有时候跑着跑着, 查询数据库就卡死了,必须重启服务才可以

不知道是否是MySQL自动断开连接导致的

报个bug, 当主键为uint64时候, 获取lastId出错

当主键维uint64时候, 原本代码在反射情况下会直接崩掉, 因为v.SetInt里面没有对Uint类型的支持, 需要修改为如下代码才行

在util.go下 107行开始

// fillPrimaryKey is created fill primary key
func fillPrimaryKey(v reflect.Value, value int64) {
	v = reflect.Indirect(v)
	if v.IsValid() {
		switch v.Kind() {
		case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
			v.SetInt(value)

		case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
			v.SetUint(uint64(value))
		}
	}
}

钩子函数

注意到你新增加的钩子函数,为什么没有BeforeFind呀

有个低级错误

config.go里面

MaxLifetime int yml:"max_lefttime" toml:"max_lefttime" json:"max_lefttime"

这个英文你写错成lefttime了, 应该是lifetime

使用postgresql,条件查询时报错

错误信息:
Query: SELECT * FROM "pwdinfo" WHERE (password=?);
Args: []interface {}{"123"}
Error: pq: 操作符不存在: character varying =?
Time: 1.02744s
源码:
pwd:=c.QueryParam("pwd") pwdinfo:= &models.Pwdinfo{} err:= gosql.Model(pwdinfo).Where("password=?",pwd).Get() if err!=nil{ log.Println(err.Error()) }

模型表字段为sql.nullstring时 插入掉sql出现多个字段

有个需求是,创建时间和成功时间,在创建的时候成功时间是可以为空的,设置表的模型为
由于我的时间类型是为字符串,所以我设置了 sql.NullString
SuccessTime sql.NullString db:"success_time" json:"success_time" // 成功时间
但是在插入的时候,你的sql语句出现了 多个字段 应该是解析的时候出了问题
success_time,success_time.String,success_time.Valid

exec operation

Why only Exec don't call w.argsIn function to deal with "IN"

image

invalid connection

你好,用你这个gosql 有时候回出现db 错误 错误是: invalid connection 好像是连接池的某个链接被关闭了

找到原因了:
在使用go-sql-driver过程中,有时候我发现会报invalid connection的错误,这个错误产生的原因设置了空闲连接不为0时,客户端拿到连接有可能是已经被服务端关闭了,此时就会发生invalid connection,网上有些解决方案是把空闲连接数设置0,不知道设置为0跟设置为50之类的性能有什么大的区别吗?跪求大神解答!
当然这是因为服务端主动关闭了连接,因为服务端对连接的保持超时时间到了也关闭的,所以可以设置客户端连接超时时间小于服务端DB.SetConnMaxLifetime(time.Second)

https://www.studygolang.com/topics/5576
你能不能框架 修复一下这个问题 默认配置一下

sess.SetMaxOpenConns(conf.MaxOpenConns)
sess.SetMaxIdleConns(conf.MaxIdleConns)
sess.SetConnMaxLifetime(conf.MaxLifetime)

type Config struct {
Enable bool json:"enable"
Driver string json:"driver"
Dsn string json:"dsn"
MaxOpenConns int toml:"max_open_conns" json:"max_open_conns"
MaxIdleConns int toml:"max_idle_conns" json:"max_idle_conns"
MaxLifetime int toml:"max_lifetime" json:"max_lifetime"
ShowSql bool toml:"show_sql" json:"show_sql"
}

gosql.exec error

hi gosql.exec 不支持字段内容为空吗?

currTime := time.Now().Format("2006-01-02 15:04:05")
			_, err := gosql.Exec("update man_Task set tsk_state = %d, tsk_lasttime = '%s', tsk_nexttime = '%s' where tsk_Taskid= %d",
				TASKRUNING_STATE, currTime, "", 12)

image
把SQL 格式化后就可以正常执行

szSql := fmt.Sprintf("update man_Task set tsk_state = %d, tsk_lasttime = '%s', tsk_nexttime = '%s' where tsk_Taskid= %d",
				TASKRUNING_STATE, currTime, “”, 12)
		_, err := gosql.Exec(szSql)
		这里可以正常执行

support table lock

have a case like that

before insert into table A ,i need select count(x) as sum from tableA .

if sum < Y ,then insert .

so i want to have a table lock before count

To much output

I think this library looks great, but unfortunately I can't use it because it has to much forced output.
I can't find any way to suppress the "[db] connect:default" to stderr, and I need it to be silent so I can handle logging my own way.
I would appreciate if if you didn't assuming I want logging to stderr and returned messages in a way that I could handle them the way I want instead.

Error: pq: syntax error at or near "`"

``
configs["default"] = &gosql.Config{
Enable: true,
Driver: "postgres",
Dsn: "...",
ShowSql: true,
}

err = gosql.Connect(configs)
_, err = gosql.Table("users").Create(map[string]interface{}{
	"username":      username,
	"status":        1,
})

the log
Query: INSERT INTO users (,status,username) VALUES(?,?);
Args: []interface {}{ 1, "test12345"}
Error: pq: syntax error at or near "`"
Time: 0.00698s
``

多数据库时update操作,无法找到数据库

在使用多库操作时,我使用下面操作管理端数据库,操作更新时,出现错误,无法找到对应的库名进行操作
model := &models.Report{}
data := make(map[string]interface{}, 0)
data["create_time"] = "2018-09-18 12:00:00"
gosql.Use("admin").Table(model.TableName()).Where("from_uid=? AND to_uid=? ", 1, 2).Update(data)

created_at字段为什么是UTC时间

我今天用了,字段里面有created_at还有updated_at
在win下调试,然后插入进去的是UTC时间,比正常时间少8小时,这个怎么调整?

db反射生成go工具

我写了一个db反射的工具,已经适应gosql了,可以用上哈, 能支持postrges和mysql读取

github.com/athanxx/dbtag

已经适应gosql的IModel结构, 支持xorm,gorm和任何的tag生成

还能自动生成脚本,方便下次使用

log improvement

// Logger represents a logging collector. You can pass a logging collector to
// gosql.SetLogger(myCollector) to make it collect QueryStatus messages
// after executing a query.
type Logger interface {
	Printf(format string, v ...interface{})
}
  1. I use db.WithContext(ctx), set my [trace id] to ctx .
  2. When we print a sql log, i can not get the [trace id] in ctx, so this log cannot be concatenated with other logs through [trace id].

Maybe we shoud change this interface to:

type Logger interface {
	Printf(ctx context.Context, format string, v ...interface{})
}

Need visit DB.database member

I need to get DB.database member for set db config properties:
db.SetMaxOpenConns(10)
db.SetMaxIdleConns(4)
Can not do this now, add a Func to return internal member DB.database please.

can where method support In query?

I love this library so much, it's simple yet powerful.
It could even be better if it support "in query" in where method.

for example:

users := make([]*User, 0)
gosql.Model(&user).Where("id in (?)", []int{1, 2, 3}).All()

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