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update doc (#193)

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This commit is contained in:
Keson
2020-11-08 13:02:48 +08:00
committed by GitHub
parent 2599e0d28d
commit 48f4154ea8
2 changed files with 99 additions and 64 deletions
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104
tools/goctl/model/sql/README.MD
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@@ -26,7 +26,8 @@ goctl model 为go-zero下的工具模块中的组件之一，目前支持识别m
* 生成代码示例
``` go
```go
package model
import (
@@ -48,9 +49,9 @@ goctl model 为go-zero下的工具模块中的组件之一，目前支持识别m
userRowsExpectAutoSet = strings.Join(stringx.Remove(userFieldNames, "id", "create_time", "update_time"), ",")
userRowsWithPlaceHolder = strings.Join(stringx.Remove(userFieldNames, "id", "create_time", "update_time"), "=?,") + "=?"
cacheUserMobilePrefix = "cache#User#mobile#"
cacheUserIdPrefix = "cache#User#id#"
cacheUserNamePrefix = "cache#User#name#"
cacheUserMobilePrefix = "cache#User#mobile#"
)
type (
@@ -71,23 +72,28 @@ goctl model 为go-zero下的工具模块中的组件之一，目前支持识别m
}
)
func NewUserModel(conn sqlx.SqlConn, c cache.CacheConf, table string) *UserModel {
func NewUserModel(conn sqlx.SqlConn, c cache.CacheConf) *UserModel {
return &UserModel{
CachedConn: sqlc.NewConn(conn, c),
table: table,
table: "user",
}
}
func (m *UserModel) Insert(data User) (sql.Result, error) {
query := `insert into ` + m.table + `(` + userRowsExpectAutoSet + `) value (?, ?, ?, ?, ?)`
return m.ExecNoCache(query, data.Name, data.Password, data.Mobile, data.Gender, data.Nickname)
userNameKey := fmt.Sprintf("%s%v", cacheUserNamePrefix, data.Name)
userMobileKey := fmt.Sprintf("%s%v", cacheUserMobilePrefix, data.Mobile)
ret, err := m.Exec(func(conn sqlx.SqlConn) (result sql.Result, err error) {
query := fmt.Sprintf("insert into %s (%s) values (?, ?, ?, ?, ?)", m.table, userRowsExpectAutoSet)
return conn.Exec(query, data.Name, data.Password, data.Mobile, data.Gender, data.Nickname)
}, userNameKey, userMobileKey)
return ret, err
}
func (m *UserModel) FindOne(id int64) (*User, error) {
userIdKey := fmt.Sprintf("%s%v", cacheUserIdPrefix, id)
var resp User
err := m.QueryRow(&resp, userIdKey, func(conn sqlx.SqlConn, v interface{}) error {
query := `select ` + userRows + ` from ` + m.table + ` where id = ? limit 1`
query := fmt.Sprintf("select %s from %s where id = ? limit 1", userRows, m.table)
return conn.QueryRow(v, query, id)
})
switch err {
@@ -103,18 +109,13 @@ goctl model 为go-zero下的工具模块中的组件之一，目前支持识别m
func (m *UserModel) FindOneByName(name string) (*User, error) {
userNameKey := fmt.Sprintf("%s%v", cacheUserNamePrefix, name)
var resp User
err := m.QueryRowIndex(&resp, userNameKey, func(primary interface{}) string {
return fmt.Sprintf("%s%v", cacheUserIdPrefix, primary)
}, func(conn sqlx.SqlConn, v interface{}) (i interface{}, e error) {
query := `select ` + userRows + ` from ` + m.table + ` where name = ? limit 1`
err := m.QueryRowIndex(&resp, userNameKey, m.formatPrimary, func(conn sqlx.SqlConn, v interface{}) (i interface{}, e error) {
query := fmt.Sprintf("select %s from %s where name = ? limit 1", userRows, m.table)
if err := conn.QueryRow(&resp, query, name); err != nil {
return nil, err
}
return resp.Id, nil
}, func(conn sqlx.SqlConn, v, primary interface{}) error {
query := `select ` + userRows + ` from ` + m.table + ` where id = ? limit 1`
return conn.QueryRow(v, query, primary)
})
}, m.queryPrimary)
switch err {
case nil:
return &resp, nil
@@ -128,18 +129,13 @@ goctl model 为go-zero下的工具模块中的组件之一，目前支持识别m
func (m *UserModel) FindOneByMobile(mobile string) (*User, error) {
userMobileKey := fmt.Sprintf("%s%v", cacheUserMobilePrefix, mobile)
var resp User
err := m.QueryRowIndex(&resp, userMobileKey, func(primary interface{}) string {
return fmt.Sprintf("%s%v", cacheUserIdPrefix, primary)
}, func(conn sqlx.SqlConn, v interface{}) (i interface{}, e error) {
query := `select ` + userRows + ` from ` + m.table + ` where mobile = ? limit 1`
err := m.QueryRowIndex(&resp, userMobileKey, m.formatPrimary, func(conn sqlx.SqlConn, v interface{}) (i interface{}, e error) {
query := fmt.Sprintf("select %s from %s where mobile = ? limit 1", userRows, m.table)
if err := conn.QueryRow(&resp, query, mobile); err != nil {
return nil, err
}
return resp.Id, nil
}, func(conn sqlx.SqlConn, v, primary interface{}) error {
query := `select ` + userRows + ` from ` + m.table + ` where id = ? limit 1`
return conn.QueryRow(v, query, primary)
})
}, m.queryPrimary)
switch err {
case nil:
return &resp, nil
@@ -153,7 +149,7 @@ goctl model 为go-zero下的工具模块中的组件之一，目前支持识别m
func (m *UserModel) Update(data User) error {
userIdKey := fmt.Sprintf("%s%v", cacheUserIdPrefix, data.Id)
_, err := m.Exec(func(conn sqlx.SqlConn) (result sql.Result, err error) {
query := `update ` + m.table + ` set ` + userRowsWithPlaceHolder + ` where id = ?`
query := fmt.Sprintf("update %s set %s where id = ?", m.table, userRowsWithPlaceHolder)
return conn.Exec(query, data.Name, data.Password, data.Mobile, data.Gender, data.Nickname, data.Id)
}, userIdKey)
return err
@@ -164,16 +160,26 @@ goctl model 为go-zero下的工具模块中的组件之一，目前支持识别m
if err != nil {
return err
}
userMobileKey := fmt.Sprintf("%s%v", cacheUserMobilePrefix, data.Mobile)
userIdKey := fmt.Sprintf("%s%v", cacheUserIdPrefix, id)
userNameKey := fmt.Sprintf("%s%v", cacheUserNamePrefix, data.Name)
userMobileKey := fmt.Sprintf("%s%v", cacheUserMobilePrefix, data.Mobile)
_, err = m.Exec(func(conn sqlx.SqlConn) (result sql.Result, err error) {
query := `delete from ` + m.table + ` where id = ?`
query := fmt.Sprintf("delete from %s where id = ?", m.table)
return conn.Exec(query, id)
}, userIdKey, userNameKey, userMobileKey)
}, userMobileKey, userIdKey, userNameKey)
return err
}
```
func (m *UserModel) formatPrimary(primary interface{}) string {
return fmt.Sprintf("%s%v", cacheUserIdPrefix, primary)
}
func (m *UserModel) queryPrimary(conn sqlx.SqlConn, v, primary interface{}) error {
query := fmt.Sprintf("select %s from %s where id = ? limit 1", userRows, m.table)
return conn.QueryRow(v, query, primary)
}
```
## 用法
@@ -212,16 +218,18 @@ OPTIONS:
```
NAME:
goctl model mysql ddl - generate mysql model from ddl
goctl model mysql ddl - generate mysql model from ddl
USAGE:
goctl model mysql ddl [command options] [arguments...]
USAGE:
goctl model mysql ddl [command options] [arguments...]
OPTIONS:
--src value, -s value the path or path globbing patterns of the ddl
--dir value, -d value the target dir
--style value the file naming style, lower|camel|underline,default is lower
--cache, -c generate code with cache [optional]
--idea for idea plugin [optional]
OPTIONS:
--src value, -s value the path or path globbing patterns of the ddl
--dir value, -d value the target dir
--cache, -c generate code with cache [optional]
--idea for idea plugin [optional]
```
* datasource
@@ -233,22 +241,26 @@ OPTIONS:
help
```
NAME:
goctl model mysql datasource - generate model from datasource
NAME:
goctl model mysql datasource - generate model from datasource
USAGE:
goctl model mysql datasource [command options] [arguments...]
USAGE:
goctl model mysql datasource [command options] [arguments...]
OPTIONS:
--url value the data source of database,like "root:password@tcp(127.0.0.1:3306)/database
--table value, -t value the table or table globbing patterns in the database
--cache, -c generate code with cache [optional]
--dir value, -d value the target dir
--style value the file naming style, lower|camel|snake, default is lower
--idea for idea plugin [optional]
OPTIONS:
--url value the data source of database,like "root:password@tcp(127.0.0.1:3306)/database
--table value, -t value the table or table globbing patterns in the database
--cache, -c generate code with cache [optional]
--dir value, -d value the target dir
--idea for idea plugin [optional]
```
示例用法请参考[用法](./example/generator.sh)
> NOTE: goctl model mysql ddl/datasource 均新增了一个`--style`参数，用于标记文件命名风格。
目前仅支持redis缓存，如果选择带缓存模式，即生成的`FindOne(ByXxx)`&`Delete`代码会生成带缓存逻辑的代码，目前仅支持单索引字段（除全文索引外），对于联合索引我们默认认为不需要带缓存，且不属于通用型代码，因此没有放在代码生成行列，如example中user表中的`id`、`name`、`mobile`字段均属于单字段索引。
* 不带缓存模式