mirror of
https://gitee.com/dromara/mayfly-go
synced 2025-11-02 23:40:24 +08:00
272 lines
8.1 KiB
Go
272 lines
8.1 KiB
Go
package application
|
||
|
||
import (
|
||
"encoding/json"
|
||
"fmt"
|
||
"github.com/xwb1989/sqlparser"
|
||
"mayfly-go/internal/db/config"
|
||
"mayfly-go/internal/db/domain/entity"
|
||
"mayfly-go/internal/db/domain/repository"
|
||
"mayfly-go/pkg/biz"
|
||
"mayfly-go/pkg/model"
|
||
"strconv"
|
||
"strings"
|
||
)
|
||
|
||
type DbSqlExecReq struct {
|
||
DbId uint64
|
||
Db string
|
||
Sql string
|
||
Remark string
|
||
LoginAccount *model.LoginAccount
|
||
DbConn *DbConnection
|
||
}
|
||
|
||
type DbSqlExecRes struct {
|
||
ColNames []string
|
||
Res []map[string]any
|
||
}
|
||
|
||
// 合并执行结果，主要用于执行多条sql使用
|
||
func (d *DbSqlExecRes) Merge(execRes *DbSqlExecRes) {
|
||
canMerge := len(d.ColNames) == len(execRes.ColNames)
|
||
if !canMerge {
|
||
return
|
||
}
|
||
// 列名不一致，则不合并
|
||
for i, colName := range d.ColNames {
|
||
if execRes.ColNames[i] != colName {
|
||
return
|
||
}
|
||
}
|
||
d.Res = append(d.Res, execRes.Res...)
|
||
}
|
||
|
||
type DbSqlExec interface {
|
||
// 执行sql
|
||
Exec(execSqlReq *DbSqlExecReq) (*DbSqlExecRes, error)
|
||
|
||
// 根据条件删除sql执行记录
|
||
DeleteBy(condition *entity.DbSqlExec)
|
||
|
||
// 分页获取
|
||
GetPageList(condition *entity.DbSqlExecQuery, pageParam *model.PageParam, toEntity any, orderBy ...string) *model.PageResult[any]
|
||
}
|
||
|
||
func newDbSqlExecApp(dbExecSqlRepo repository.DbSqlExec) DbSqlExec {
|
||
return &dbSqlExecAppImpl{
|
||
dbSqlExecRepo: dbExecSqlRepo,
|
||
}
|
||
}
|
||
|
||
type dbSqlExecAppImpl struct {
|
||
dbSqlExecRepo repository.DbSqlExec
|
||
}
|
||
|
||
func createSqlExecRecord(execSqlReq *DbSqlExecReq) *entity.DbSqlExec {
|
||
dbSqlExecRecord := new(entity.DbSqlExec)
|
||
dbSqlExecRecord.DbId = execSqlReq.DbId
|
||
dbSqlExecRecord.Db = execSqlReq.Db
|
||
dbSqlExecRecord.Sql = execSqlReq.Sql
|
||
dbSqlExecRecord.Remark = execSqlReq.Remark
|
||
dbSqlExecRecord.SetBaseInfo(execSqlReq.LoginAccount)
|
||
return dbSqlExecRecord
|
||
}
|
||
|
||
func (d *dbSqlExecAppImpl) Exec(execSqlReq *DbSqlExecReq) (*DbSqlExecRes, error) {
|
||
sql := execSqlReq.Sql
|
||
dbSqlExecRecord := createSqlExecRecord(execSqlReq)
|
||
dbSqlExecRecord.Type = entity.DbSqlExecTypeOther
|
||
var execRes *DbSqlExecRes
|
||
isSelect := false
|
||
|
||
stmt, err := sqlparser.Parse(sql)
|
||
if err != nil {
|
||
// 就算解析失败也执行sql，让数据库来判断错误。如果是查询sql则简单判断是否有limit分页参数信息（兼容pgsql）
|
||
// logx.Warnf("sqlparse解析sql[%s]失败: %s", sql, err.Error())
|
||
lowerSql := strings.ToLower(execSqlReq.Sql)
|
||
isSelect := strings.HasPrefix(lowerSql, "select")
|
||
if isSelect {
|
||
// 如果配置为0，则不校验分页参数
|
||
maxCount := config.GetDbQueryMaxCount()
|
||
if maxCount != 0 {
|
||
biz.IsTrue(strings.Contains(lowerSql, "limit"), "请完善分页信息后执行")
|
||
}
|
||
}
|
||
var execErr error
|
||
if isSelect || strings.HasPrefix(lowerSql, "show") {
|
||
execRes, execErr = doRead(execSqlReq)
|
||
} else {
|
||
execRes, execErr = doExec(execSqlReq.Sql, execSqlReq.DbConn)
|
||
}
|
||
if execErr != nil {
|
||
return nil, execErr
|
||
}
|
||
d.saveSqlExecLog(isSelect, dbSqlExecRecord)
|
||
return execRes, nil
|
||
}
|
||
|
||
switch stmt := stmt.(type) {
|
||
case *sqlparser.Select:
|
||
isSelect = true
|
||
execRes, err = doSelect(stmt, execSqlReq)
|
||
case *sqlparser.Show:
|
||
isSelect = true
|
||
execRes, err = doRead(execSqlReq)
|
||
case *sqlparser.OtherRead:
|
||
isSelect = true
|
||
execRes, err = doRead(execSqlReq)
|
||
case *sqlparser.Update:
|
||
execRes, err = doUpdate(stmt, execSqlReq, dbSqlExecRecord)
|
||
case *sqlparser.Delete:
|
||
execRes, err = doDelete(stmt, execSqlReq, dbSqlExecRecord)
|
||
case *sqlparser.Insert:
|
||
execRes, err = doInsert(stmt, execSqlReq, dbSqlExecRecord)
|
||
default:
|
||
execRes, err = doExec(execSqlReq.Sql, execSqlReq.DbConn)
|
||
}
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
d.saveSqlExecLog(isSelect, dbSqlExecRecord)
|
||
return execRes, nil
|
||
}
|
||
|
||
// 保存sql执行记录，如果是查询类则根据系统配置判断是否保存
|
||
func (d *dbSqlExecAppImpl) saveSqlExecLog(isQuery bool, dbSqlExecRecord *entity.DbSqlExec) {
|
||
if !isQuery {
|
||
d.dbSqlExecRepo.Insert(dbSqlExecRecord)
|
||
return
|
||
}
|
||
if config.GetDbSaveQuerySql() {
|
||
dbSqlExecRecord.Table = "-"
|
||
dbSqlExecRecord.OldValue = "-"
|
||
dbSqlExecRecord.Type = entity.DbSqlExecTypeQuery
|
||
d.dbSqlExecRepo.Insert(dbSqlExecRecord)
|
||
}
|
||
}
|
||
|
||
func (d *dbSqlExecAppImpl) DeleteBy(condition *entity.DbSqlExec) {
|
||
d.dbSqlExecRepo.DeleteBy(condition)
|
||
}
|
||
|
||
func (d *dbSqlExecAppImpl) GetPageList(condition *entity.DbSqlExecQuery, pageParam *model.PageParam, toEntity any, orderBy ...string) *model.PageResult[any] {
|
||
return d.dbSqlExecRepo.GetPageList(condition, pageParam, toEntity, orderBy...)
|
||
}
|
||
|
||
func doSelect(selectStmt *sqlparser.Select, execSqlReq *DbSqlExecReq) (*DbSqlExecRes, error) {
|
||
selectExprsStr := sqlparser.String(selectStmt.SelectExprs)
|
||
if selectExprsStr == "*" || strings.Contains(selectExprsStr, ".*") ||
|
||
len(strings.Split(selectExprsStr, ",")) > 1 {
|
||
// 如果配置为0，则不校验分页参数
|
||
maxCount := config.GetDbQueryMaxCount()
|
||
if maxCount != 0 {
|
||
limit := selectStmt.Limit
|
||
biz.NotNil(limit, "请完善分页信息后执行")
|
||
count, err := strconv.Atoi(sqlparser.String(limit.Rowcount))
|
||
biz.ErrIsNil(err, "分页参数有误")
|
||
biz.IsTrue(count <= maxCount, "查询结果集数需小于系统配置的%d条", maxCount)
|
||
}
|
||
}
|
||
|
||
return doRead(execSqlReq)
|
||
}
|
||
|
||
func doRead(execSqlReq *DbSqlExecReq) (*DbSqlExecRes, error) {
|
||
dbConn := execSqlReq.DbConn
|
||
sql := execSqlReq.Sql
|
||
colNames, res, err := dbConn.SelectData(sql)
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
return &DbSqlExecRes{
|
||
ColNames: colNames,
|
||
Res: res,
|
||
}, nil
|
||
}
|
||
|
||
func doUpdate(update *sqlparser.Update, execSqlReq *DbSqlExecReq, dbSqlExec *entity.DbSqlExec) (*DbSqlExecRes, error) {
|
||
dbConn := execSqlReq.DbConn
|
||
|
||
tableStr := sqlparser.String(update.TableExprs)
|
||
// 可能使用别名，故空格切割
|
||
tableName := strings.Split(tableStr, " ")[0]
|
||
where := sqlparser.String(update.Where)
|
||
biz.IsTrue(len(where) > 0, "SQL[%s]未执行. 请完善 where 条件后再执行", execSqlReq.Sql)
|
||
|
||
updateExprs := update.Exprs
|
||
updateColumns := make([]string, 0)
|
||
for _, v := range updateExprs {
|
||
updateColumns = append(updateColumns, v.Name.Name.String())
|
||
}
|
||
|
||
// 获取表主键列名,排除使用别名
|
||
primaryKey := dbConn.GetMeta().GetPrimaryKey(tableName)
|
||
|
||
updateColumnsAndPrimaryKey := strings.Join(updateColumns, ",") + "," + primaryKey
|
||
// 查询要更新字段数据的旧值，以及主键值
|
||
selectSql := fmt.Sprintf("SELECT %s FROM %s %s LIMIT 200", updateColumnsAndPrimaryKey, tableStr, where)
|
||
_, res, err := dbConn.SelectData(selectSql)
|
||
if err == nil {
|
||
bytes, _ := json.Marshal(res)
|
||
dbSqlExec.OldValue = string(bytes)
|
||
} else {
|
||
dbSqlExec.OldValue = err.Error()
|
||
}
|
||
|
||
dbSqlExec.Table = tableName
|
||
dbSqlExec.Type = entity.DbSqlExecTypeUpdate
|
||
|
||
return doExec(execSqlReq.Sql, dbConn)
|
||
}
|
||
|
||
func doDelete(delete *sqlparser.Delete, execSqlReq *DbSqlExecReq, dbSqlExec *entity.DbSqlExec) (*DbSqlExecRes, error) {
|
||
dbConn := execSqlReq.DbConn
|
||
|
||
tableStr := sqlparser.String(delete.TableExprs)
|
||
// 可能使用别名，故空格切割
|
||
table := strings.Split(tableStr, " ")[0]
|
||
where := sqlparser.String(delete.Where)
|
||
biz.IsTrue(len(where) > 0, "SQL[%s]未执行. 请完善 where 条件后再执行", execSqlReq.Sql)
|
||
|
||
// 查询删除数据
|
||
selectSql := fmt.Sprintf("SELECT * FROM %s %s LIMIT 200", tableStr, where)
|
||
_, res, _ := dbConn.SelectData(selectSql)
|
||
|
||
bytes, _ := json.Marshal(res)
|
||
dbSqlExec.OldValue = string(bytes)
|
||
dbSqlExec.Table = table
|
||
dbSqlExec.Type = entity.DbSqlExecTypeDelete
|
||
|
||
return doExec(execSqlReq.Sql, dbConn)
|
||
}
|
||
|
||
func doInsert(insert *sqlparser.Insert, execSqlReq *DbSqlExecReq, dbSqlExec *entity.DbSqlExec) (*DbSqlExecRes, error) {
|
||
tableStr := sqlparser.String(insert.Table)
|
||
// 可能使用别名，故空格切割
|
||
table := strings.Split(tableStr, " ")[0]
|
||
dbSqlExec.Table = table
|
||
dbSqlExec.Type = entity.DbSqlExecTypeInsert
|
||
|
||
return doExec(execSqlReq.Sql, execSqlReq.DbConn)
|
||
}
|
||
|
||
func doExec(sql string, dbConn *DbConnection) (*DbSqlExecRes, error) {
|
||
rowsAffected, err := dbConn.Exec(sql)
|
||
execRes := "success"
|
||
if err != nil {
|
||
execRes = err.Error()
|
||
}
|
||
res := make([]map[string]any, 0)
|
||
resData := make(map[string]any)
|
||
resData["rowsAffected"] = rowsAffected
|
||
resData["sql"] = sql
|
||
resData["result"] = execRes
|
||
res = append(res, resData)
|
||
|
||
return &DbSqlExecRes{
|
||
ColNames: []string{"sql", "rowsAffected", "result"},
|
||
Res: res,
|
||
}, err
|
||
}
|