Remove unneeded loading of the MySQL driver (#15502)

Signed-off-by: Dirkjan Bussink <[email protected]>
vitessio · Mar 18, 2024 · 4d4793d · 4d4793d
1 parent 51debbd
commit 4d4793d
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Showing 7 changed files with 5 additions and 18 deletions.
diff --git a/go/cmd/vtorc/main.go b/go/cmd/vtorc/main.go
@@ -17,9 +17,6 @@
 package main
 
 import (
-	_ "github.com/go-sql-driver/mysql"
-	_ "modernc.org/sqlite"
-
 	"vitess.io/vitess/go/cmd/vtorc/cli"
 	"vitess.io/vitess/go/vt/log"
 )

diff --git a/go/test/endtoend/vtgate/queries/timeout/timeout_test.go b/go/test/endtoend/vtgate/queries/timeout/timeout_test.go
@@ -19,7 +19,6 @@ package misc
 import (
 	"testing"
 
-	_ "github.com/go-sql-driver/mysql"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 

diff --git a/go/test/endtoend/vtorc/readtopologyinstance/main_test.go b/go/test/endtoend/vtorc/readtopologyinstance/main_test.go
@@ -30,10 +30,8 @@ import (
 	"vitess.io/vitess/go/vt/vtorc/logic"
 	"vitess.io/vitess/go/vt/vtorc/server"
 
-	_ "github.com/go-sql-driver/mysql"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
-	_ "modernc.org/sqlite"
 )
 
 func TestReadTopologyInstanceBufferable(t *testing.T) {

diff --git a/go/vt/external/golib/sqlutils/sqlutils.go b/go/vt/external/golib/sqlutils/sqlutils.go
@@ -28,6 +28,8 @@ import (
 	"sync"
 	"time"
 
+	_ "modernc.org/sqlite"
+
 	"vitess.io/vitess/go/vt/log"
 )
 
@@ -135,17 +137,17 @@ func (this *RowMap) GetTime(key string) time.Time {
 var knownDBs = make(map[string]*sql.DB)
 var knownDBsMutex = &sync.Mutex{}
 
-// GetGenericDB returns a DB instance based on uri.
+// GetSQLiteDB returns a SQLite DB instance based on DB file name.
 // bool result indicates whether the DB was returned from cache; err
-func GetGenericDB(driverName, dataSourceName string) (*sql.DB, bool, error) {
+func GetSQLiteDB(dataSourceName string) (*sql.DB, bool, error) {
 	knownDBsMutex.Lock()
 	defer func() {
 		knownDBsMutex.Unlock()
 	}()
 
 	var exists bool
 	if _, exists = knownDBs[dataSourceName]; !exists {
-		if db, err := sql.Open(driverName, dataSourceName); err == nil {
+		if db, err := sql.Open("sqlite", dataSourceName); err == nil {
 			knownDBs[dataSourceName] = db
 		} else {
 			return db, exists, err
@@ -154,12 +156,6 @@ func GetGenericDB(driverName, dataSourceName string) (*sql.DB, bool, error) {
 	return knownDBs[dataSourceName], exists, nil
 }
 
-// GetSQLiteDB returns a SQLite DB instance based on DB file name.
-// bool result indicates whether the DB was returned from cache; err
-func GetSQLiteDB(dbFile string) (*sql.DB, bool, error) {
-	return GetGenericDB("sqlite", dbFile)
-}
-
 // RowToArray is a convenience function, typically not called directly, which maps a
 // single read database row into a NullString
 func RowToArray(rows *sql.Rows, columns []string) ([]CellData, error) {

diff --git a/go/vt/vtorc/inst/keyspace_dao_test.go b/go/vt/vtorc/inst/keyspace_dao_test.go
@@ -20,7 +20,6 @@ import (
 	"testing"
 
 	"github.com/stretchr/testify/require"
-	_ "modernc.org/sqlite"
 
 	topodatapb "vitess.io/vitess/go/vt/proto/topodata"
 	"vitess.io/vitess/go/vt/topo"

diff --git a/go/vt/vtorc/inst/shard_dao_test.go b/go/vt/vtorc/inst/shard_dao_test.go
@@ -21,7 +21,6 @@ import (
 	"time"
 
 	"github.com/stretchr/testify/require"
-	_ "modernc.org/sqlite"
 
 	"vitess.io/vitess/go/protoutil"
 	topodatapb "vitess.io/vitess/go/vt/proto/topodata"

diff --git a/go/vt/vtorc/logic/keyspace_shard_discovery_test.go b/go/vt/vtorc/logic/keyspace_shard_discovery_test.go
@@ -23,7 +23,6 @@ import (
 
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
-	_ "modernc.org/sqlite"
 
 	topodatapb "vitess.io/vitess/go/vt/proto/topodata"
 	"vitess.io/vitess/go/vt/topo"