Add default adapter Name implementation (#59)

* Add default adapter DBType implementation

* Rename DBType to Name

* Update go-rel/rel dependency

Author: lafriks

go.mod

@@ -5,7 +5,7 @@ go 1.21
 toolchain go1.21.0
 
 require (
-	github.com/go-rel/rel v0.40.0
+	github.com/go-rel/rel v0.40.1-0.20231007112841-2e07fc196025
 	github.com/stretchr/testify v1.8.4
 )
 

go.sum

@@ -3,8 +3,8 @@ github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSs
 github.com/fsnotify/fsnotify v1.4.9/go.mod h1:znqG4EE+3YCdAaPaxE2ZRY/06pZUdp0tY4IgpuI1SZQ=
 github.com/fsnotify/fsnotify v1.6.0 h1:n+5WquG0fcWoWp6xPWfHdbskMCQaFnG6PfBrh1Ky4HY=
 github.com/fsnotify/fsnotify v1.6.0/go.mod h1:sl3t1tCWJFWoRz9R8WJCbQihKKwmorjAbSClcnxKAGw=
-github.com/go-rel/rel v0.40.0 h1:Av2/Ub6fQn6UbwxTIHStfLb7W+knRhOVX8AWcC+pOBA=
-github.com/go-rel/rel v0.40.0/go.mod h1:6opWRxsoHoDq67fIDnsmcmnojpskWpPqCs0AoL/UrEU=
+github.com/go-rel/rel v0.40.1-0.20231007112841-2e07fc196025 h1:Gq1za5TzJT5h7ByoaSYsKpcMJ5QcRvW7aJwBUJZNLcc=
+github.com/go-rel/rel v0.40.1-0.20231007112841-2e07fc196025/go.mod h1:6opWRxsoHoDq67fIDnsmcmnojpskWpPqCs0AoL/UrEU=
 github.com/jinzhu/inflection v1.0.0 h1:K317FqzuhWc8YvSVlFMCCUb36O/S9MCKRDI7QkRKD/E=
 github.com/jinzhu/inflection v1.0.0/go.mod h1:h+uFLlag+Qp1Va5pdKtLDYj+kHp5pxUVkryuEj+Srlc=
 github.com/nxadm/tail v1.4.8 h1:nPr65rt6Y5JFSKQO7qToXr7pePgD6Gwiw05lkbyAQTE=

sql.go

@@ -33,6 +33,11 @@ type SQL struct {
 	Instrumenter     rel.Instrumenter
 }
 
+// Name returns database adapter name.
+func (s SQL) Name() string {
+	return "sql"
+}
+
 // Instrumentation set instrumenter for this adapter.
 func (s *SQL) Instrumentation(instrumenter rel.Instrumenter) {
 	s.Instrumenter = instrumenter
@@ -173,10 +178,7 @@ func (s SQL) Query(ctx context.Context, query rel.Query) (rel.Cursor, error) {
 
 // Exec performs exec operation.
 func (s SQL) Exec(ctx context.Context, statement string, args []any) (int64, int64, error) {
-	var (
-		res, err = s.DoExec(ctx, statement, args)
-	)
-
+	res, err := s.DoExec(ctx, statement, args)
 	if err != nil {
 		return 0, 0, s.ErrorMapper(err)
 	}
@@ -284,9 +286,7 @@ func (s SQL) Delete(ctx context.Context, query rel.Query) (int, error) {
 
 // SchemaApply performs migration to database.
 func (s SQL) SchemaApply(ctx context.Context, migration rel.Migration) error {
-	var (
-		statement string
-	)
+	var statement string
 
 	switch v := migration.(type) {
 	case rel.Table: