reactor sql generation

go.mod

@@ -13,6 +13,7 @@ require (
 	github.com/globalsign/mgo v0.0.0-20181015135952-eeefdecb41b8
 	github.com/go-redis/redis v6.15.7+incompatible
 	github.com/go-sql-driver/mysql v1.5.0
+	github.com/go-xorm/builder v0.3.4
 	github.com/gogo/protobuf v1.3.1 // indirect
 	github.com/golang/groupcache v0.0.0-20200121045136-8c9f03a8e57e // indirect
 	github.com/golang/mock v1.4.3

go.sum

@@ -76,6 +76,10 @@ github.com/go-sql-driver/mysql v1.5.0 h1:ozyZYNQW3x3HtqT1jira07DN2PArx2v7/mN66gG
 github.com/go-sql-driver/mysql v1.5.0/go.mod h1:DCzpHaOWr8IXmIStZouvnhqoel9Qv2LBy8hT2VhHyBg=
 github.com/go-stack/stack v1.8.0 h1:5SgMzNM5HxrEjV0ww2lTmX6E2Izsfxas4+YHWRs3Lsk=
 github.com/go-stack/stack v1.8.0/go.mod h1:v0f6uXyyMGvRgIKkXu+yp6POWl0qKG85gN/melR3HDY=
+github.com/go-xorm/builder v0.3.4 h1:FxkeGB4Cggdw3tPwutLCpfjng2jugfkg6LDMrd/KsoY=
+github.com/go-xorm/builder v0.3.4/go.mod h1:KxkQkNN1DpPKTedxXyTQcmH+rXfvk4LZ9SOOBoZBAxw=
+github.com/go-xorm/sqlfiddle v0.0.0-20180821085327-62ce714f951a h1:9wScpmSP5A3Bk8V3XHWUcJmYTh+ZnlHVyc+A4oZYS3Y=
+github.com/go-xorm/sqlfiddle v0.0.0-20180821085327-62ce714f951a/go.mod h1:56xuuqnHyryaerycW3BfssRdxQstACi0Epw/yC5E2xM=
 github.com/godbus/dbus/v5 v5.0.3/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5xrFpKfA=
 github.com/gogo/protobuf v1.1.1/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ=
 github.com/gogo/protobuf v1.2.1/go.mod h1:hp+jE20tsWTFYpLwKvXlhS1hjn+gTNwPg2I6zVXpSg4=

tools/goctl/model/sql/builderx/builder.go

@@ -0,0 +1,97 @@
+package builderx
+
+import (
+	"fmt"
+	"reflect"
+
+	"github.com/go-xorm/builder"
+)
+
+const dbTag = "db"
+
+func NewEq(in interface{}) builder.Eq {
+	return builder.Eq(ToMap(in))
+}
+
+func NewGt(in interface{}) builder.Gt {
+	return builder.Gt(ToMap(in))
+}
+
+func ToMap(in interface{}) map[string]interface{} {
+	out := make(map[string]interface{})
+	v := reflect.ValueOf(in)
+	if v.Kind() == reflect.Ptr {
+		v = v.Elem()
+	}
+	// we only accept structs
+	if v.Kind() != reflect.Struct {
+		panic(fmt.Errorf("ToMap only accepts structs; got %T", v))
+	}
+	typ := v.Type()
+	for i := 0; i < v.NumField(); i++ {
+		// gets us a StructField
+		fi := typ.Field(i)
+		if tagv := fi.Tag.Get(dbTag); tagv != "" {
+			// set key of map to value in struct field
+			val := v.Field(i)
+			zero := reflect.Zero(val.Type()).Interface()
+			current := val.Interface()
+
+			if reflect.DeepEqual(current, zero) {
+				continue
+			}
+			out[tagv] = current
+		}
+	}
+	return out
+}
+
+func FieldNames(in interface{}) []string {
+	out := make([]string, 0)
+	v := reflect.ValueOf(in)
+	if v.Kind() == reflect.Ptr {
+		v = v.Elem()
+	}
+	// we only accept structs
+	if v.Kind() != reflect.Struct {
+		panic(fmt.Errorf("ToMap only accepts structs; got %T", v))
+	}
+	typ := v.Type()
+	for i := 0; i < v.NumField(); i++ {
+		// gets us a StructField
+		fi := typ.Field(i)
+		if tagv := fi.Tag.Get(dbTag); tagv != "" {
+			out = append(out, tagv)
+		} else {
+			out = append(out, fi.Name)
+		}
+	}
+	return out
+}
+func FieldNamesAlias(in interface{}, alias string) []string {
+	out := make([]string, 0)
+	v := reflect.ValueOf(in)
+	if v.Kind() == reflect.Ptr {
+		v = v.Elem()
+	}
+	// we only accept structs
+	if v.Kind() != reflect.Struct {
+		panic(fmt.Errorf("ToMap only accepts structs; got %T", v))
+	}
+	typ := v.Type()
+	for i := 0; i < v.NumField(); i++ {
+		// gets us a StructField
+		fi := typ.Field(i)
+		tagName := ""
+		if tagv := fi.Tag.Get(dbTag); tagv != "" {
+			tagName = tagv
+		} else {
+			tagName = fi.Name
+		}
+		if len(alias) > 0 {
+			tagName = alias + "." + tagName
+		}
+		out = append(out, tagName)
+	}
+	return out
+}

tools/goctl/model/sql/builderx/builder_test.go

@@ -0,0 +1,101 @@
+package builderx
+
+import (
+	"fmt"
+	"testing"
+
+	"github.com/go-xorm/builder"
+	"github.com/stretchr/testify/assert"
+)
+
+type (
+	User struct {
+		// 自增id
+		Id string `db:"id" json:"id,omitempty"`
+		// 姓名
+		UserName string `db:"user_name" json:"userName,omitempty"`
+		// 1男,2女
+		Sex int `db:"sex" json:"sex,omitempty"`
+
+		Uuid string `db:"uuid" uuid:"uuid,omitempty"`
+
+		Age int `db:"age" json:"age"`
+	}
+)
+
+var userFields = FieldNames(User{})
+
+func TestFieldNames(t *testing.T) {
+	var u User
+	out := FieldNames(&u)
+	fmt.Println(out)
+	actual := []string{"id", "user_name", "sex", "uuid", "age"}
+	assert.Equal(t, out, actual)
+}
+
+func TestNewEq(t *testing.T) {
+	u := &User{
+		Id:       "123456",
+		UserName: "wahaha",
+	}
+	out := NewEq(u)
+	fmt.Println(out)
+	actual := builder.Eq{"id": "123456", "user_name": "wahaha"}
+	assert.Equal(t, out, actual)
+}
+
+// @see https://github.com/go-xorm/builder
+func TestBuilderSql(t *testing.T) {
+	u := &User{
+		Id: "123123",
+	}
+	fields := FieldNames(u)
+	eq := NewEq(u)
+	sql, args, err := builder.Select(fields...).From("user").Where(eq).ToSQL()
+	fmt.Println(sql, args, err)
+
+	actualSql := "SELECT id,user_name,sex,uuid,age FROM user WHERE id=?"
+	actualArgs := []interface{}{"123123"}
+	assert.Equal(t, sql, actualSql)
+	assert.Equal(t, args, actualArgs)
+}
+
+func TestBuildSqlDefaultValue(t *testing.T) {
+	var eq = builder.Eq{}
+	eq["age"] = 0
+	eq["user_name"] = ""
+
+	sql, args, err := builder.Select(userFields...).From("user").Where(eq).ToSQL()
+	fmt.Println(sql, args, err)
+
+	actualSql := "SELECT id,user_name,sex,uuid,age FROM user WHERE age=? AND user_name=?"
+	actualArgs := []interface{}{0, ""}
+	assert.Equal(t, sql, actualSql)
+	assert.Equal(t, args, actualArgs)
+}
+
+func TestBuilderSqlIn(t *testing.T) {
+	u := &User{
+		Age: 18,
+	}
+	gtU := NewGt(u)
+	in := builder.In("id", []string{"1", "2", "3"})
+	sql, args, err := builder.Select(userFields...).From("user").Where(in).And(gtU).ToSQL()
+	fmt.Println(sql, args, err)
+
+	actualSql := "SELECT id,user_name,sex,uuid,age FROM user WHERE id IN (?,?,?) AND age>?"
+	actualArgs := []interface{}{"1", "2", "3", 18}
+	assert.Equal(t, sql, actualSql)
+	assert.Equal(t, args, actualArgs)
+}
+
+func TestBuildSqlLike(t *testing.T) {
+	like := builder.Like{"name", "wang"}
+	sql, args, err := builder.Select(userFields...).From("user").Where(like).ToSQL()
+	fmt.Println(sql, args, err)
+
+	actualSql := "SELECT id,user_name,sex,uuid,age FROM user WHERE name LIKE ?"
+	actualArgs := []interface{}{"%wang%"}
+	assert.Equal(t, sql, actualSql)
+	assert.Equal(t, args, actualArgs)
+}

tools/goctl/model/sql/gen/delete.go

@@ -13,7 +13,9 @@ func genDelete(table Table, withCache bool) (string, error) {
 	keySet := collection.NewSet()
 	keyVariableSet := collection.NewSet()
 	for fieldName, key := range table.CacheKey {
+		if fieldName == table.PrimaryKey.Name.Source() {
 			keySet.AddStr(key.KeyExpression)
+		}
 		if fieldName != table.PrimaryKey.Name.Source() {
 			keySet.AddStr(key.DataKeyExpression)
 		}
@@ -33,7 +35,7 @@ func genDelete(table Table, withCache bool) (string, error) {
 			"upperStartCamelObject":     camel,
 			"withCache":                 withCache,
 			"containsIndexCache":        containsIndexCache,
-			"lowerStartCamelPrimaryKey": stringx.From(camel).LowerStart(),
+			"lowerStartCamelPrimaryKey": stringx.From(table.PrimaryKey.Name.Snake2Camel()).LowerStart(),
 			"dataType":                  table.PrimaryKey.DataType,
 			"keys":                      strings.Join(keySet.KeysStr(), "\n"),
 			"originalPrimaryKey":        table.PrimaryKey.Name.Source(),

tools/goctl/model/sql/gen/field.go

@@ -21,12 +21,17 @@ func genFields(fields []parser.Field) (string, error) {
 }
 
 func genField(field parser.Field) (string, error) {
+	tag, err := genTag(field.Name.Source())
+	if err != nil {
+		return "", err
+	}
 	output, err := templatex.With("types").
 		Parse(template.Field).
-		Execute(map[string]string{
+		Execute(map[string]interface{}{
 			"name":       field.Name.Snake2Camel(),
 			"type":       field.DataType,
-			"tag":     field.Name.Source(),
+			"tag":        tag,
+			"hasComment": field.Comment != "",
 			"comment":    field.Comment,
 		})
 	if err != nil {

tools/goctl/model/sql/gen/fineonebyfield.go

@@ -14,7 +14,7 @@ func genFineOneByField(table Table, withCache bool) (string, error) {
 	var list []string
 	camelTableName := table.Name.Snake2Camel()
 	for _, field := range table.Fields {
-		if field.IsPrimaryKey {
+		if field.IsPrimaryKey || !field.IsKey {
 			continue
 		}
 		camelFieldName := field.Name.Snake2Camel()
@@ -25,7 +25,7 @@ func genFineOneByField(table Table, withCache bool) (string, error) {
 			"withCache":                 withCache,
 			"cacheKey":                  table.CacheKey[field.Name.Source()].KeyExpression,
 			"cacheKeyVariable":          table.CacheKey[field.Name.Source()].Variable,
-			"primaryKeyLeft":            table.CacheKey[table.Name.Source()].Left,
+			"primaryKeyLeft":            table.CacheKey[table.PrimaryKey.Name.Source()].Left,
 			"lowerStartCamelObject":     stringx.From(camelTableName).LowerStart(),
 			"lowerStartCamelField":      stringx.From(camelFieldName).LowerStart(),
 			"upperStartCamelPrimaryKey": table.PrimaryKey.Name.Snake2Camel(),

tools/goctl/model/sql/gen/gen.go

@@ -104,7 +104,10 @@ func (g *defaultGenerator) genModel(in parser.Table, withCache bool) (string, er
 	if err != nil {
 		return "", err
 	}
-	importsCode := genImports()
+	importsCode, err := genImports(withCache)
+	if err != nil {
+		return "", err
+	}
 	var table Table
 	table.Table = in
 	table.CacheKey = m

tools/goctl/model/sql/gen/imports.go

@@ -1,9 +1,18 @@
 package gen
 
 import (
-	sqltemplate "github.com/tal-tech/go-zero/tools/goctl/model/sql/template"
+	"github.com/tal-tech/go-zero/tools/goctl/model/sql/template"
+	"github.com/tal-tech/go-zero/tools/goctl/util/templatex"
 )
 
-func genImports() string {
+func genImports(withCache bool) (string, error) {
-	return sqltemplate.Imports
+	output, err := templatex.With("import").
+		Parse(template.Imports).
+		Execute(map[string]interface{}{
+			"withCache": withCache,
+		})
+	if err != nil {
+		return "", err
+	}
+	return output.String(), nil
 }

tools/goctl/model/sql/gen/keys.go

@@ -34,7 +34,7 @@ func genCacheKeys(table parser.Table) (map[string]Key, error) {
 		}
 		camelFieldName := field.Name.Snake2Camel()
 		lowerStartCamelFieldName := stringx.From(camelFieldName).LowerStart()
-		left := fmt.Sprintf("cache%s%sPrefix", camelTableName, camelFieldName)
+		left := fmt.Sprintf("cache%s%sPrefix", lowerStartCamelTableName, camelFieldName)
 		right := fmt.Sprintf("cache#%s#%s#", lowerStartCamelTableName, lowerStartCamelFieldName)
 		variable := fmt.Sprintf("%s%sKey", lowerStartCamelTableName, camelFieldName)
 		m[field.Name.Source()] = Key{
@@ -42,9 +42,9 @@ func genCacheKeys(table parser.Table) (map[string]Key, error) {
 			Left:              left,
 			Right:             right,
 			Variable:          variable,
-			KeyExpression:     fmt.Sprintf(`%s := fmt.Sprintf("cache#user#id#%s", %s)`, variable, "%s", lowerStartCamelFieldName),
+			KeyExpression:     fmt.Sprintf(`%s := fmt.Sprintf("cache#%s#%s#%s", %s)`, variable, lowerStartCamelTableName, lowerStartCamelFieldName, "%v", lowerStartCamelFieldName),
-			DataKeyExpression: fmt.Sprintf(`%s := fmt.Sprintf("cache#user#id#%s", data.%s)`, variable, "%s", lowerStartCamelFieldName),
+			DataKeyExpression: fmt.Sprintf(`%s := fmt.Sprintf("cache#%s#%s#%s", data.%s)`, variable, lowerStartCamelTableName, lowerStartCamelFieldName, "%v", camelFieldName),
-			RespKeyExpression: fmt.Sprintf(`%s := fmt.Sprintf("cache#user#id#%s", resp.%s)`, variable, "%s", lowerStartCamelFieldName),
+			RespKeyExpression: fmt.Sprintf(`%s := fmt.Sprintf("cache#%s#%s#%s", resp.%s)`, variable, lowerStartCamelTableName, lowerStartCamelFieldName, "%v", camelFieldName),
 		}
 	}
 	return m, nil

tools/goctl/model/sql/parser/parser.go

@@ -8,6 +8,14 @@ import (
 	"github.com/xwb1989/sqlparser"
 )
 
+const (
+	none = iota
+	primary
+	unique
+	normal
+	spatial
+)
+
 type (
 	Table struct {
 		Name       stringx.String
@@ -26,6 +34,7 @@ type (
 		IsPrimaryKey bool
 		Comment      string
 	}
+	KeyType int
 )
 
 func Parse(ddl string) (*Table, error) {
@@ -50,6 +59,7 @@ func Parse(ddl string) (*Table, error) {
 	columns := tableSpec.Columns
 	indexes := tableSpec.Indexes
 
+	keyMap := make(map[string]KeyType)
 	for _, index := range indexes {
 		info := index.Info
 		if info == nil {
@@ -59,13 +69,33 @@ func Parse(ddl string) (*Table, error) {
 			if len(index.Columns) > 1 {
 				return nil, errPrimaryKey
 			}
-			break
+			keyMap[index.Columns[0].Column.String()] = primary
+			continue
+		}
+		// can optimize
+		if len(index.Columns) > 1 {
+			continue
+		}
+		column := index.Columns[0]
+		columnName := column.Column.String()
+		camelColumnName := stringx.From(columnName).Snake2Camel()
+		// by default, createTime|updateTime findOne is not used.
+		if camelColumnName == "CreateTime" || camelColumnName == "UpdateTime" {
+			continue
+		}
+		if info.Unique {
+			keyMap[columnName] = unique
+		} else if info.Spatial {
+			keyMap[columnName] = spatial
+		} else {
+			keyMap[columnName] = normal
 		}
 	}
 	var (
 		fields     []Field
 		primaryKey Primary
 	)
+
 	for _, column := range columns {
 		if column == nil {
 			continue
@@ -83,18 +113,19 @@ func Parse(ddl string) (*Table, error) {
 		field.DataBaseType = column.Type.Type
 		field.DataType = dataType
 		field.Comment = comment
-		// see line 1194 https://github.com/xwb1989/sqlparser/blob/master/ast.go
+		key, ok := keyMap[column.Name.String()]
-		field.IsKey = column.Type.KeyOpt != 0
+		if ok {
-		field.IsPrimaryKey = column.Type.KeyOpt == 1
+			field.IsKey = true
-		fields = append(fields, field)
+			field.IsPrimaryKey = key == primary
-		// see line 1195 https://github.com/xwb1989/sqlparser/blob/master/ast.go
+			if field.IsPrimaryKey {
-		if column.Type.KeyOpt == 1 {
 				primaryKey.Field = field
 				if column.Type.Autoincrement {
 					primaryKey.AutoIncrement = true
 				}
 			}
 		}
+		fields = append(fields, field)
+	}
 	return &Table{
 		Name:       stringx.From(tableName),
 		PrimaryKey: primaryKey,

tools/goctl/model/sql/template/field.go

@@ -1,3 +1,3 @@
 package template
 
-var Field = `{{.name}} {{.type}} {{.tag}} {{.comment}}`
+var Field = `{{.name}} {{.type}} {{.tag}} {{if .hasComment}}// {{.comment}}{{end}}`

tools/goctl/model/sql/template/find.go

@@ -55,5 +55,15 @@ func (m *{{.upperStartCamelObject}}Model) FindOneBy{{.upperField}}({{.in}}) (*{{
 	default:
 		return nil, err
 	}
-}
+}{{else}}var resp {{.upperStartCamelObject}}
+	query := ` + "`" + `select ` + "`" + ` + {{.lowerStartCamelObject}}Rows + ` + "`" + ` from ` + "` + " + `m.table ` + " + `" + ` where {{.originalField}} limit 1` + "`" + `
+	err := m.QueryRowNoCache(&resp, query, {{.lowerStartCamelField}})
+	switch err {
+	case nil:
+		return &resp, nil
+	case sqlc.ErrNotFound:
+		return nil, ErrNotFound
+	default:
+		return nil, err
+	}{{end}}
 `

tools/goctl/model/sql/template/import.go

@@ -2,13 +2,15 @@ package template
 
 var Imports = `
 import (
-	"database/sql"
+	"database/sql"{{if .withCache}}
-	"strings"
+	"fmt"
+	{{end}}"strings"
 	"time"
 
   "github.com/tal-tech/go-zero/core/stores/cache"
 	"github.com/tal-tech/go-zero/core/stores/sqlc"
 	"github.com/tal-tech/go-zero/core/stores/sqlx"
 	"github.com/tal-tech/go-zero/core/stringx"
+  "github.com/tal-tech/go-zero/tools/goctl/model/sql/builderx"
 )
 `

tools/goctl/model/sql/template/vars.go

@@ -4,7 +4,7 @@ var Vars = `
 var (
 	{{.lowerStartCamelObject}}FieldNames          = builderx.FieldNames(&{{.upperStartCamelObject}}{})
 	{{.lowerStartCamelObject}}Rows                = strings.Join({{.lowerStartCamelObject}}FieldNames, ",")
-	{{.lowerStartCamelObject}}RowsExpectAutoSet   = strings.Join(stringx.Remove({{.lowerStartCamelObject}}FieldNames, {{.if autoIncrement}}"{{.originalPrimaryKey}}",{{end}} "create_time", "update_time"), ",")
+	{{.lowerStartCamelObject}}RowsExpectAutoSet   = strings.Join(stringx.Remove({{.lowerStartCamelObject}}FieldNames, {{if .autoIncrement}}"{{.originalPrimaryKey}}",{{end}} "create_time", "update_time"), ",")
 	{{.lowerStartCamelObject}}RowsWithPlaceHolder = strings.Join(stringx.Remove({{.lowerStartCamelObject}}FieldNames, "{{.originalPrimaryKey}}", "create_time", "update_time"), "=?,") + "=?"
 
 	{{.cacheKeys}}

tools/goctl/model/sql/test/modelwithcache/testmodel.go

@@ -0,0 +1,149 @@
+package model
+
+import (
+	"database/sql"
+	"fmt"
+	"strings"
+	"time"
+
+	"github.com/tal-tech/go-zero/core/stores/cache"
+	"github.com/tal-tech/go-zero/core/stores/sqlc"
+	"github.com/tal-tech/go-zero/core/stores/sqlx"
+	"github.com/tal-tech/go-zero/core/stringx"
+	"github.com/tal-tech/go-zero/tools/goctl/model/sql/builderx"
+)
+
+var (
+	userCamelFieldNames          = builderx.FieldNames(&UserCamel{})
+	userCamelRows                = strings.Join(userCamelFieldNames, ",")
+	userCamelRowsExpectAutoSet   = strings.Join(stringx.Remove(userCamelFieldNames, "create_time", "update_time"), ",")
+	userCamelRowsWithPlaceHolder = strings.Join(stringx.Remove(userCamelFieldNames, "id", "create_time", "update_time"), "=?,") + "=?"
+
+	cacheuserCamelIdPrefix     = "cache#userCamel#id#"
+	cacheuserCamelNamePrefix   = "cache#userCamel#name#"
+	cacheuserCamelMobilePrefix = "cache#userCamel#mobile#"
+
+	ErrNotFound = sqlx.ErrNotFound
+)
+
+type (
+	UserCamelModel struct {
+		sqlc.CachedConn
+		table string
+	}
+
+	UserCamel struct {
+		Id         int64     `db:"id"`
+		Name       string    `db:"name"`     // 用户名称
+		Password   string    `db:"password"` // 用户密码
+		Mobile     string    `db:"mobile"`   // 手机号
+		Gender     string    `db:"gender"`   // 男｜女｜未公开
+		Nickname   string    `db:"nickname"` // 用户昵称
+		CreateTime time.Time `db:"createTime"`
+		UpdateTime time.Time `db:"updateTime"`
+	}
+)
+
+func NewUserCamelModel(conn sqlx.SqlConn, c cache.CacheConf, table string) *UserCamelModel {
+	return &UserCamelModel{
+		CachedConn: sqlc.NewConn(conn, c),
+		table:      table,
+	}
+}
+
+func (m *UserCamelModel) Insert(data UserCamel) error {
+	query := `insert into ` + m.table + `(` + userCamelRowsExpectAutoSet + `) value (?, ?, ?, ?, ?, ?)`
+	_, err := m.ExecNoCache(query, data.Id, data.Name, data.Password, data.Mobile, data.Gender, data.Nickname)
+	return err
+}
+
+func (m *UserCamelModel) FindOne(id int64) (*UserCamel, error) {
+	userCamelIdKey := fmt.Sprintf("cache#userCamel#id#%v", id)
+	var resp UserCamel
+	err := m.QueryRow(&resp, userCamelIdKey, func(conn sqlx.SqlConn, v interface{}) error {
+		query := `select ` + userCamelRows + ` from ` + m.table + ` where id = ? limit 1`
+		return conn.QueryRow(v, query, id)
+	})
+	switch err {
+	case nil:
+		return &resp, nil
+	case sqlc.ErrNotFound:
+		return nil, ErrNotFound
+	default:
+		return nil, err
+	}
+}
+
+func (m *UserCamelModel) FindOneByName(name string) (*UserCamel, error) {
+	userCamelNameKey := fmt.Sprintf("cache#userCamel#name#%v", name)
+	var resp UserCamel
+	err := m.QueryRowIndex(&resp, userCamelNameKey, func(primary interface{}) string {
+		return fmt.Sprintf("%s%v", cacheuserCamelIdPrefix, primary)
+	}, func(conn sqlx.SqlConn, v interface{}) (i interface{}, e error) {
+		query := `select ` + userCamelRows + ` from ` + m.table + ` where name = ? limit 1`
+		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 ` + userCamelRows + ` from ` + m.table + ` where id = ? limit 1`
+		return conn.QueryRow(v, query, primary)
+	})
+	switch err {
+	case nil:
+		return &resp, nil
+	case sqlc.ErrNotFound:
+		return nil, ErrNotFound
+	default:
+		return nil, err
+	}
+}
+
+func (m *UserCamelModel) FindOneByMobile(mobile string) (*UserCamel, error) {
+	userCamelMobileKey := fmt.Sprintf("cache#userCamel#mobile#%v", mobile)
+	var resp UserCamel
+	err := m.QueryRowIndex(&resp, userCamelMobileKey, func(primary interface{}) string {
+		return fmt.Sprintf("%s%v", cacheuserCamelIdPrefix, primary)
+	}, func(conn sqlx.SqlConn, v interface{}) (i interface{}, e error) {
+		query := `select ` + userCamelRows + ` from ` + m.table + ` where mobile = ? limit 1`
+		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 ` + userCamelRows + ` from ` + m.table + ` where id = ? limit 1`
+		return conn.QueryRow(v, query, primary)
+	})
+	switch err {
+	case nil:
+		return &resp, nil
+	case sqlc.ErrNotFound:
+		return nil, ErrNotFound
+	default:
+		return nil, err
+	}
+}
+
+func (m *UserCamelModel) Update(data UserCamel) error {
+	userCamelIdKey := fmt.Sprintf("cache#userCamel#id#%v", data.Id)
+	_, err := m.Exec(func(conn sqlx.SqlConn) (result sql.Result, err error) {
+		query := `update ` + m.table + ` set ` + userCamelRowsWithPlaceHolder + ` where id = ?`
+		return conn.Exec(query, data.Name, data.Password, data.Mobile, data.Gender, data.Nickname, data.Id)
+	}, userCamelIdKey)
+	return err
+}
+
+func (m *UserCamelModel) Delete(id int64) error {
+	data, err := m.FindOne(id)
+	if err != nil {
+		return err
+	}
+	userCamelIdKey := fmt.Sprintf("cache#userCamel#id#%v", id)
+	userCamelNameKey := fmt.Sprintf("cache#userCamel#name#%v", data.Name)
+	userCamelMobileKey := fmt.Sprintf("cache#userCamel#mobile#%v", data.Mobile)
+	_, err = m.Exec(func(conn sqlx.SqlConn) (result sql.Result, err error) {
+		query := `delete from ` + m.table + ` where id = ?`
+		return conn.Exec(query, id)
+	}, userCamelIdKey, userCamelNameKey, userCamelMobileKey)
+	return err
+}

tools/goctl/model/sql/test/sql_test.go

@@ -0,0 +1,20 @@
+package test
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/tal-tech/go-zero/tools/goctl/model/sql/gen"
+)
+
+func TestGenSqlWithCache(t *testing.T) {
+	generator := gen.NewDefaultGenerator("./test.sql", "./modelwithcache")
+	err := generator.Start(true)
+	assert.Nil(t, err)
+}
+
+func TestGenSqlWithoutCache(t *testing.T) {
+	generator := gen.NewDefaultGenerator("./test.sql", "./modelwithoutcache")
+	err := generator.Start(false)
+	assert.Nil(t, err)
+}

tools/goctl/model/sql/test/test.sql

@@ -0,0 +1,30 @@
+
+-- user_snake
+CREATE TABLE `user_snake` (
+  `id` bigint(10) NOT NULL AUTO_INCREMENT,
+  `name` varchar(255) COLLATE utf8mb4_general_ci NOT NULL DEFAULT '' COMMENT '用户名称',
+  `password` varchar(255) COLLATE utf8mb4_general_ci NOT NULL DEFAULT '' COMMENT '用户密码',
+  `mobile` varchar(255) COLLATE utf8mb4_general_ci NOT NULL DEFAULT '' COMMENT '手机号',
+  `gender` char(5) COLLATE utf8mb4_general_ci NOT NULL COMMENT '男｜女｜未公开',
+  `nickname` varchar(255) COLLATE utf8mb4_general_ci DEFAULT '' COMMENT '用户昵称',
+  `create_time` timestamp NULL DEFAULT NULL,
+  `update_time` timestamp NULL DEFAULT NULL,
+  PRIMARY KEY (`id`),
+  UNIQUE KEY `name_index` (`name`),
+  KEY `mobile_index` (`mobile`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci;
+
+-- userCamel (disable AUTO_INCREMENT)
+CREATE TABLE `userCamel` (
+  `id` bigint(10) NOT NULL,
+  `name` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NOT NULL DEFAULT '' COMMENT '用户名称',
+  `password` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NOT NULL DEFAULT '' COMMENT '用户密码',
+  `mobile` varchar(255) COLLATE utf8mb4_general_ci NOT NULL DEFAULT '' COMMENT '手机号',
+  `gender` char(5) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NOT NULL COMMENT '男｜女｜未公开',
+  `nickname` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci DEFAULT '' COMMENT '用户昵称',
+  `createTime` timestamp NULL DEFAULT NULL,
+  `updateTime` timestamp NULL DEFAULT NULL,
+  PRIMARY KEY (`id`),
+  UNIQUE KEY `nameIndex` (`name`),
+  KEY `mobile_index` (`mobile`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci;

tools/goctl/util/stringx/string.go

@@ -87,7 +87,7 @@ func (s String) LowerStart() string {
 	if !unicode.IsUpper(r) && !unicode.IsLower(r) {
 		return s.source
 	}
-	return string(r) + s.source[1:]
+	return string(unicode.ToLower(r)) + s.source[1:]
 }
 
 // it will not ignore spaces