diff --git a/migrator/accounts.go b/migrator/accounts.go
index f5807691f..9db3c20cc 100755
--- a/migrator/accounts.go
+++ b/migrator/accounts.go
@@ -143,22 +143,19 @@ func (m *Migrator) migrateAccounts() (err error) {
 	}
 	current := engine.CurrentDataDBVersions()
 	switch vrs[utils.Accounts] {
-	case current[utils.Accounts]:
-		if m.sameDataDB {
-			return
-		}
-		if err := m.migrateCurrentAccounts(); err != nil {
-			return err
-		}
-		return
+
 	case 1:
-		if err := m.migrateV1Accounts(); err != nil {
-			return err
-		}
+		return m.migrateV1Accounts()
 	case 2:
 		if err := m.migrateV2Accounts(); err != nil {
 			return err
 		}
+		fallthrough
+	case current[utils.Accounts]:
+		if m.sameDataDB {
+			return
+		}
+		return m.migrateCurrentAccounts()
 	}
 	return
 }
diff --git a/migrator/accounts_it_test.go b/migrator/accounts_it_test.go
index a284e791c..f266b4238 100755
--- a/migrator/accounts_it_test.go
+++ b/migrator/accounts_it_test.go
@@ -45,97 +45,46 @@ var (
 )
 
 var sTestsAccIT = []func(t *testing.T){
+	testAccITConnect,
 	testAccITFlush,
 	testAccITMigrateAndMove,
 }
 
-func TestAccountITRedisConnection(t *testing.T) {
+func TestAccountITRedis(t *testing.T) {
 	var err error
 	accPathIn = path.Join(*dataDir, "conf", "samples", "tutmysql")
 	accCfgIn, err = config.NewCGRConfigFromFolder(accPathIn)
 	if err != nil {
 		t.Fatal(err)
 	}
-	dataDBIn, err := engine.ConfigureDataStorage(accCfgIn.DataDbType,
-		accCfgIn.DataDbHost, accCfgIn.DataDbPort, accCfgIn.DataDbName,
-		accCfgIn.DataDbUser, accCfgIn.DataDbPass, accCfgIn.DBDataEncoding,
-		config.CgrConfig().CacheCfg(), *loadHistorySize)
+	accCfgOut, err = config.NewCGRConfigFromFolder(accPathIn)
 	if err != nil {
-		log.Fatal(err)
+		t.Fatal(err)
 	}
-	dataDBOut, err := engine.ConfigureDataStorage(accCfgIn.DataDbType,
-		accCfgIn.DataDbHost, accCfgIn.DataDbPort, accCfgIn.DataDbName,
-		accCfgIn.DataDbUser, accCfgIn.DataDbPass, accCfgIn.DBDataEncoding,
-		config.CgrConfig().CacheCfg(), *loadHistorySize)
-	if err != nil {
-		log.Fatal(err)
-	}
-	oldDataDB, err := ConfigureV1DataStorage(accCfgIn.DataDbType,
-		accCfgIn.DataDbHost, accCfgIn.DataDbPort, accCfgIn.DataDbName,
-		accCfgIn.DataDbUser, accCfgIn.DataDbPass, accCfgIn.DBDataEncoding)
-	if err != nil {
-		log.Fatal(err)
-	}
-	accMigrator, err = NewMigrator(dataDBIn, dataDBOut, accCfgIn.DataDbType,
-		accCfgIn.DBDataEncoding, nil, nil, accCfgIn.StorDBType, oldDataDB,
-		accCfgIn.DataDbType, accCfgIn.DBDataEncoding, nil, accCfgIn.StorDBType,
-		false, false, false, false, false)
-	if err != nil {
-		log.Fatal(err)
-	}
-}
-
-func TestAccountITRedis(t *testing.T) {
 	accAction = utils.Migrate
 	for _, stest := range sTestsAccIT {
 		t.Run("TestAccountITMigrateRedis", stest)
 	}
 }
 
-func TestAccountITMongoConnection(t *testing.T) {
+func TestAccountITMongo(t *testing.T) {
 	var err error
 	accPathIn = path.Join(*dataDir, "conf", "samples", "tutmongo")
 	accCfgIn, err = config.NewCGRConfigFromFolder(accPathIn)
 	if err != nil {
 		t.Fatal(err)
 	}
-	dataDBIn, err := engine.ConfigureDataStorage(accCfgIn.DataDbType,
-		accCfgIn.DataDbHost, accCfgIn.DataDbPort, accCfgIn.DataDbName,
-		accCfgIn.DataDbUser, accCfgIn.DataDbPass, accCfgIn.DBDataEncoding,
-		config.CgrConfig().CacheCfg(), *loadHistorySize)
+	accCfgOut, err = config.NewCGRConfigFromFolder(accPathIn)
 	if err != nil {
-		log.Fatal(err)
+		t.Fatal(err)
 	}
-	dataDBOut, err := engine.ConfigureDataStorage(accCfgIn.DataDbType,
-		accCfgIn.DataDbHost, accCfgIn.DataDbPort, accCfgIn.DataDbName,
-		accCfgIn.DataDbUser, accCfgIn.DataDbPass, accCfgIn.DBDataEncoding,
-		config.CgrConfig().CacheCfg(), *loadHistorySize)
-	if err != nil {
-		log.Fatal(err)
-	}
-	oldDataDB, err := ConfigureV1DataStorage(accCfgIn.DataDbType,
-		accCfgIn.DataDbHost, accCfgIn.DataDbPort, accCfgIn.DataDbName,
-		accCfgIn.DataDbUser, accCfgIn.DataDbPass, accCfgIn.DBDataEncoding)
-	if err != nil {
-		log.Fatal(err)
-	}
-	accMigrator, err = NewMigrator(dataDBIn, dataDBOut, accCfgIn.DataDbType,
-		accCfgIn.DBDataEncoding, nil, nil, accCfgIn.StorDBType, oldDataDB,
-		accCfgIn.DataDbType, accCfgIn.DBDataEncoding, nil, accCfgIn.StorDBType,
-		false, false, false, false, false)
-	if err != nil {
-		log.Fatal(err)
-	}
-}
-
-func TestAccountITMongo(t *testing.T) {
 	accAction = utils.Migrate
 	for _, stest := range sTestsAccIT {
 		t.Run("TestAccountITMigrateMongo", stest)
 	}
 }
 
-func TestAccountITMoveConnection(t *testing.T) {
+func TestAccountITMove(t *testing.T) {
 	var err error
 	accPathIn = path.Join(*dataDir, "conf", "samples", "tutmongo")
 	accCfgIn, err = config.NewCGRConfigFromFolder(accPathIn)
@@ -147,6 +96,13 @@ func TestAccountITMoveConnection(t *testing.T) {
 	if err != nil {
 		t.Fatal(err)
 	}
+	accAction = utils.Move
+	for _, stest := range sTestsAccIT {
+		t.Run("TestAccountITMove", stest)
+	}
+}
+
+func testAccITConnect(t *testing.T) {
 	dataDBIn, err := engine.ConfigureDataStorage(accCfgIn.DataDbType,
 		accCfgIn.DataDbHost, accCfgIn.DataDbPort, accCfgIn.DataDbName,
 		accCfgIn.DataDbUser, accCfgIn.DataDbPass, accCfgIn.DBDataEncoding,
@@ -176,13 +132,6 @@ func TestAccountITMoveConnection(t *testing.T) {
 	}
 }
 
-func TestAccountITMove(t *testing.T) {
-	accAction = utils.Move
-	for _, stest := range sTestsAccIT {
-		t.Run("TestAccountITMove", stest)
-	}
-}
-
 func testAccITFlush(t *testing.T) {
 	accMigrator.dmOut.DataDB().Flush("")
 	if err := engine.SetDBVersions(accMigrator.dmOut.DataDB()); err != nil {
diff --git a/migrator/cdrs.go b/migrator/cdrs.go
index d762d614c..86e0b68af 100755
--- a/migrator/cdrs.go
+++ b/migrator/cdrs.go
@@ -19,6 +19,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>
 package migrator
 
 import (
+	"encoding/json"
 	"fmt"
 	"time"
 
@@ -58,14 +59,14 @@ func (m *Migrator) migrateCDRs() (err error) {
 			"version number is not defined for Actions")
 	}
 	switch vrs[utils.CDRs] {
-	case current[utils.CDRs]:
-		if err := m.migrateCurrentCDRs(); err != nil {
-			return err
-		}
 	case 1:
 		if err := m.migrateV1CDRs(); err != nil {
 			return err
 		}
+	case current[utils.CDRs]:
+		if err := m.migrateCurrentCDRs(); err != nil {
+			return err
+		}
 	}
 	return
 }
@@ -162,3 +163,63 @@ func (v1Cdr v1Cdrs) V1toV2Cdr() (cdr *engine.CDR) {
 	}
 	return
 }
+
+func NewV1CDRFromCDRSql(cdrSql *engine.CDRsql) (cdr *v1Cdrs, err error) {
+	cdr = new(v1Cdrs)
+	cdr.CGRID = cdrSql.Cgrid
+	cdr.RunID = cdrSql.RunID
+	cdr.OriginHost = cdrSql.OriginHost
+	cdr.Source = cdrSql.Source
+	cdr.OriginID = cdrSql.OriginID
+	cdr.OrderID = cdrSql.ID
+	cdr.ToR = cdrSql.TOR
+	cdr.RequestType = cdrSql.RequestType
+	cdr.Tenant = cdrSql.Tenant
+	cdr.Category = cdrSql.Category
+	cdr.Account = cdrSql.Account
+	cdr.Subject = cdrSql.Subject
+	cdr.Destination = cdrSql.Destination
+	cdr.SetupTime = cdrSql.SetupTime
+	cdr.AnswerTime = cdrSql.AnswerTime
+	cdr.Usage = time.Duration(cdrSql.Usage)
+	cdr.CostSource = cdrSql.CostSource
+	cdr.Cost = cdrSql.Cost
+	cdr.ExtraInfo = cdrSql.ExtraInfo
+	if cdrSql.ExtraFields != "" {
+		if err = json.Unmarshal([]byte(cdrSql.ExtraFields), &cdr.ExtraFields); err != nil {
+			return nil, err
+		}
+	}
+	if cdrSql.CostDetails != "" {
+		if err = json.Unmarshal([]byte(cdrSql.CostDetails), &cdr.CostDetails); err != nil {
+			return nil, err
+		}
+	}
+	return
+}
+
+func (cdr v1Cdrs) AsCDRsql() (cdrSql *engine.CDRsql) {
+	cdrSql = new(engine.CDRsql)
+	cdrSql.Cgrid = cdr.CGRID
+	cdrSql.RunID = cdr.RunID
+	cdrSql.OriginHost = cdr.OriginHost
+	cdrSql.Source = cdr.Source
+	cdrSql.OriginID = cdr.OriginID
+	cdrSql.TOR = cdr.ToR
+	cdrSql.RequestType = cdr.RequestType
+	cdrSql.Tenant = cdr.Tenant
+	cdrSql.Category = cdr.Category
+	cdrSql.Account = cdr.Account
+	cdrSql.Subject = cdr.Subject
+	cdrSql.Destination = cdr.Destination
+	cdrSql.SetupTime = cdr.SetupTime
+	cdrSql.AnswerTime = cdr.AnswerTime
+	cdrSql.Usage = cdr.Usage.Nanoseconds()
+	cdrSql.ExtraFields = utils.ToJSON(cdr.ExtraFields)
+	cdrSql.CostSource = cdr.CostSource
+	cdrSql.Cost = cdr.Cost
+	cdrSql.CostDetails = utils.ToJSON(cdr.CostDetails)
+	cdrSql.ExtraInfo = cdr.ExtraInfo
+	cdrSql.CreatedAt = time.Now()
+	return
+}
diff --git a/migrator/cdrs_it_test.go b/migrator/cdrs_it_test.go
index fb53149ce..d98382c1e 100755
--- a/migrator/cdrs_it_test.go
+++ b/migrator/cdrs_it_test.go
@@ -94,6 +94,55 @@ func TestCdrITMongo(t *testing.T) {
 	}
 }
 
+func TestCdrITMySqlConnection(t *testing.T) {
+	var err error
+	cdrPathIn = path.Join(*dataDir, "conf", "samples", "tutmysql")
+	cdrCfgIn, err = config.NewCGRConfigFromFolder(cdrPathIn)
+	if err != nil {
+		t.Error(err)
+	}
+	storDBIn, err := engine.ConfigureStorDB(cdrCfgIn.StorDBType, cdrCfgIn.StorDBHost,
+		cdrCfgIn.StorDBPort, cdrCfgIn.StorDBName,
+		cdrCfgIn.StorDBUser, cdrCfgIn.StorDBPass,
+		config.CgrConfig().StorDBMaxOpenConns,
+		config.CgrConfig().StorDBMaxIdleConns,
+		config.CgrConfig().StorDBConnMaxLifetime,
+		config.CgrConfig().StorDBCDRSIndexes)
+	if err != nil {
+		t.Error(err)
+	}
+	storDBOut, err := engine.ConfigureStorDB(cdrCfgIn.StorDBType,
+		cdrCfgIn.StorDBHost, cdrCfgIn.StorDBPort, cdrCfgIn.StorDBName,
+		cdrCfgIn.StorDBUser, cdrCfgIn.StorDBPass,
+		config.CgrConfig().StorDBMaxOpenConns,
+		config.CgrConfig().StorDBMaxIdleConns,
+		config.CgrConfig().StorDBConnMaxLifetime,
+		config.CgrConfig().StorDBCDRSIndexes)
+	if err != nil {
+		t.Error(err)
+	}
+	oldStorDB, err := ConfigureV1StorDB(cdrCfgIn.StorDBType,
+		cdrCfgIn.StorDBHost, cdrCfgIn.StorDBPort, cdrCfgIn.StorDBName,
+		cdrCfgIn.StorDBUser, cdrCfgIn.StorDBPass)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	cdrMigrator, err = NewMigrator(nil, nil, cdrCfgIn.DataDbType,
+		cdrCfgIn.DBDataEncoding, storDBIn, storDBOut, cdrCfgIn.StorDBType, nil,
+		cdrCfgIn.DataDbType, cdrCfgIn.DBDataEncoding, oldStorDB, cdrCfgIn.StorDBType,
+		false, false, false, false, false)
+	if err != nil {
+		t.Error(err)
+	}
+}
+
+func TestCdrITMySql(t *testing.T) {
+	for _, stest := range sTestsCdrIT {
+		t.Run("TestCdrITMigrateMySql", stest)
+	}
+}
+
 func testCdrITFlush(t *testing.T) {
 	if err := cdrMigrator.storDBOut.Flush(
 		path.Join(cdrCfgIn.DataFolderPath, "storage", cdrCfgIn.StorDBType)); err != nil {
diff --git a/migrator/sessions_costs.go b/migrator/sessions_costs.go
index 9bc13d841..0924c1463 100644
--- a/migrator/sessions_costs.go
+++ b/migrator/sessions_costs.go
@@ -20,6 +20,7 @@ package migrator
 
 import (
 	"database/sql"
+	"encoding/json"
 	"fmt"
 	"time"
 
@@ -156,3 +157,31 @@ func (v2Cost v2SessionsCost) V2toV3Cost() (cost *engine.SMCost) {
 	}
 	return
 }
+
+func NewV2SessionsCostFromSessionsCostSql(smSql *engine.SessionsCostsSQL) (smV2 *v2SessionsCost, err error) {
+	smV2 = new(v2SessionsCost)
+	smV2.CGRID = smSql.Cgrid
+	smV2.RunID = smSql.RunID
+	smV2.OriginHost = smSql.OriginHost
+	smV2.OriginID = smSql.OriginID
+	smV2.CostSource = smSql.CostSource
+	smV2.Usage = time.Duration(smSql.Usage)
+	smV2.CostDetails = new(engine.CallCost)
+	if err := json.Unmarshal([]byte(smSql.CostDetails), smV2.CostDetails); err != nil {
+		return nil, err
+	}
+	return
+}
+
+func (v2Cost v2SessionsCost) AsSessionsCostSql() (smSql *engine.SessionsCostsSQL) {
+	smSql = new(engine.SessionsCostsSQL)
+	smSql.Cgrid = v2Cost.CGRID
+	smSql.RunID = v2Cost.RunID
+	smSql.OriginHost = v2Cost.OriginHost
+	smSql.OriginID = v2Cost.OriginID
+	smSql.CostSource = v2Cost.CostSource
+	smSql.CostDetails = utils.ToJSON(v2Cost.CostDetails)
+	smSql.Usage = v2Cost.Usage.Nanoseconds()
+	smSql.CreatedAt = time.Now()
+	return
+}
diff --git a/migrator/sessions_costs_it_test.go b/migrator/sessions_costs_it_test.go
index ca7fc2368..dcbda2c6b 100755
--- a/migrator/sessions_costs_it_test.go
+++ b/migrator/sessions_costs_it_test.go
@@ -94,6 +94,55 @@ func TestSessionCostITMongo(t *testing.T) {
 	}
 }
 
+func TestSessionCostITMySqlConnection(t *testing.T) {
+	var err error
+	sCostPathIn = path.Join(*dataDir, "conf", "samples", "tutmysql")
+	sCostCfgIn, err = config.NewCGRConfigFromFolder(sCostPathIn)
+	if err != nil {
+		t.Error(err)
+	}
+	storDBIn, err := engine.ConfigureStorDB(sCostCfgIn.StorDBType, sCostCfgIn.StorDBHost,
+		sCostCfgIn.StorDBPort, sCostCfgIn.StorDBName,
+		sCostCfgIn.StorDBUser, sCostCfgIn.StorDBPass,
+		config.CgrConfig().StorDBMaxOpenConns,
+		config.CgrConfig().StorDBMaxIdleConns,
+		config.CgrConfig().StorDBConnMaxLifetime,
+		config.CgrConfig().StorDBCDRSIndexes)
+	if err != nil {
+		t.Error(err)
+	}
+	storDBOut, err := engine.ConfigureStorDB(sCostCfgIn.StorDBType,
+		sCostCfgIn.StorDBHost, sCostCfgIn.StorDBPort, sCostCfgIn.StorDBName,
+		sCostCfgIn.StorDBUser, sCostCfgIn.StorDBPass,
+		config.CgrConfig().StorDBMaxOpenConns,
+		config.CgrConfig().StorDBMaxIdleConns,
+		config.CgrConfig().StorDBConnMaxLifetime,
+		config.CgrConfig().StorDBCDRSIndexes)
+	if err != nil {
+		t.Error(err)
+	}
+	oldStorDB, err := ConfigureV1StorDB(sCostCfgIn.StorDBType,
+		sCostCfgIn.StorDBHost, sCostCfgIn.StorDBPort, sCostCfgIn.StorDBName,
+		sCostCfgIn.StorDBUser, sCostCfgIn.StorDBPass)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	sCostMigrator, err = NewMigrator(nil, nil, sCostCfgIn.DataDbType,
+		sCostCfgIn.DBDataEncoding, storDBIn, storDBOut, sCostCfgIn.StorDBType, nil,
+		sCostCfgIn.DataDbType, sCostCfgIn.DBDataEncoding, oldStorDB, sCostCfgIn.StorDBType,
+		false, false, false, false, false)
+	if err != nil {
+		t.Error(err)
+	}
+}
+
+func TestSessionCostITMySql(t *testing.T) {
+	for _, stest := range sTestssCostIT {
+		t.Run("TestSessionSCostITMigrateMySql", stest)
+	}
+}
+
 func testSessionCostITFlush(t *testing.T) {
 	if err := sCostMigrator.storDBOut.Flush(
 		path.Join(sCostCfgIn.DataFolderPath, "storage", sCostCfgIn.StorDBType)); err != nil {
diff --git a/migrator/v1migrator_utils.go b/migrator/v1migrator_utils.go
index aad80d858..335a8dfdf 100644
--- a/migrator/v1migrator_utils.go
+++ b/migrator/v1migrator_utils.go
@@ -59,6 +59,9 @@ func ConfigureV1StorDB(db_type, host, port, name, user, pass string) (db Migrato
 	case utils.MONGO:
 		d, err = newv1MongoStorage(host, port, name, user, pass, utils.StorDB, nil)
 		db = d.(MigratorStorDB)
+	case utils.MYSQL:
+		d, err = newSqlStorage(host, port, name, user, pass)
+		db = d.(MigratorStorDB)
 	default:
 		err = errors.New(fmt.Sprintf("Unknown db '%s' valid options are '%s'",
 			db_type, utils.MONGO))
diff --git a/migrator/v1sql.go b/migrator/v1sql.go
new file mode 100755
index 000000000..cbfb16ea5
--- /dev/null
+++ b/migrator/v1sql.go
@@ -0,0 +1,126 @@
+/*
+Real-time Online/Offline Charging System (OCS) for Telecom & ISP environments
+Copyright (C) ITsysCOM GmbH
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>
+*/
+
+package migrator
+
+import (
+	"database/sql"
+	"fmt"
+	"time"
+
+	"github.com/cgrates/cgrates/engine"
+	"github.com/cgrates/cgrates/utils"
+	_ "github.com/go-sql-driver/mysql"
+	"github.com/jinzhu/gorm"
+)
+
+type sqlStorage struct {
+	Db      *sql.DB
+	db      *gorm.DB
+	rowIter *sql.Rows
+}
+
+func newSqlStorage(host, port, name, user, password string) (*sqlStorage, error) {
+	connectString := fmt.Sprintf("%s:%s@tcp(%s:%s)/%s?charset=utf8&loc=Local&parseTime=true&sql_mode='ALLOW_INVALID_DATES,NO_AUTO_CREATE_USER'", user, password, host, port, name)
+	db, err := gorm.Open("mysql", connectString)
+	if err != nil {
+		return nil, err
+	}
+	if err = db.DB().Ping(); err != nil {
+		return nil, err
+	}
+	return &sqlStorage{Db: db.DB(), db: db}, nil
+}
+
+func (sqlStorage *sqlStorage) getV1CDR() (v1Cdr *v1Cdrs, err error) {
+	if sqlStorage.rowIter == nil {
+		sqlStorage.rowIter, err = sqlStorage.Db.Query("SELECT * FROM cdrs")
+		if err != nil {
+			return nil, err
+		}
+	}
+	cdrSql := new(engine.CDRsql)
+	sqlStorage.rowIter.Scan(&cdrSql)
+	v1Cdr, err = NewV1CDRFromCDRSql(cdrSql)
+
+	if sqlStorage.rowIter.Next() {
+		v1Cdr = nil
+		sqlStorage.rowIter = nil
+		return nil, utils.ErrNoMoreData
+	}
+	return v1Cdr, nil
+}
+
+func (sqlStorage *sqlStorage) setV1CDR(v1Cdr *v1Cdrs) (err error) {
+	tx := sqlStorage.db.Begin()
+	cdrSql := v1Cdr.AsCDRsql()
+	cdrSql.CreatedAt = time.Now()
+	saved := tx.Save(cdrSql)
+	if saved.Error != nil {
+		return saved.Error
+	}
+	tx.Commit()
+	return nil
+}
+
+func (sqlStorage *sqlStorage) getSMCost() (v2Cost *v2SessionsCost, err error) {
+	if sqlStorage.rowIter == nil {
+		sqlStorage.rowIter, err = sqlStorage.Db.Query("SELECT * FROM sessions_costs")
+		if err != nil {
+			return nil, err
+		}
+	}
+	scSql := new(engine.SessionsCostsSQL)
+	sqlStorage.rowIter.Scan(&scSql)
+	v2Cost, err = NewV2SessionsCostFromSessionsCostSql(scSql)
+
+	if sqlStorage.rowIter.Next() {
+		v2Cost = nil
+		sqlStorage.rowIter = nil
+		return nil, utils.ErrNoMoreData
+	}
+	return v2Cost, nil
+}
+
+func (sqlStorage *sqlStorage) setSMCost(v2Cost *v2SessionsCost) (err error) {
+	tx := sqlStorage.db.Begin()
+	smSql := v2Cost.AsSessionsCostSql()
+	smSql.CreatedAt = time.Now()
+	saved := tx.Save(smSql)
+	if saved.Error != nil {
+		return saved.Error
+	}
+	tx.Commit()
+	return
+}
+
+func (sqlStorage *sqlStorage) remSMCost(v2Cost *v2SessionsCost) (err error) {
+	tx := sqlStorage.db.Begin()
+	var rmParam *engine.SessionsCostsSQL
+	if v2Cost != nil {
+		rmParam = &engine.SessionsCostsSQL{Cgrid: v2Cost.CGRID,
+			RunID: v2Cost.RunID}
+	}
+	if err := tx.Where(rmParam).Delete(engine.SessionsCostsSQL{}).Error; err != nil {
+		tx.Rollback()
+		return err
+	}
+	tx.Commit()
+	return nil
+
+}