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https://github.com/golang/go
synced 2024-10-06 08:00:07 +00:00
database/sql: use slices to simplify the code
This commit is contained in:
parent
9a028e14a5
commit
e713ac3163
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@ -11,7 +11,7 @@ import (
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"fmt"
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"io"
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"reflect"
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"sort"
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"slices"
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"strconv"
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"strings"
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"sync"
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@ -120,12 +120,7 @@ type table struct {
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}
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func (t *table) columnIndex(name string) int {
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for n, nname := range t.colname {
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if name == nname {
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return n
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}
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}
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return -1
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return slices.Index(t.colname, name)
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}
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type row struct {
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@ -217,15 +212,6 @@ func init() {
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Register("test", fdriver)
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}
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func contains(list []string, y string) bool {
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for _, x := range list {
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if x == y {
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return true
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}
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}
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return false
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}
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type Dummy struct {
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driver.Driver
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}
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@ -235,7 +221,7 @@ func TestDrivers(t *testing.T) {
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Register("test", fdriver)
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Register("invalid", Dummy{})
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all := Drivers()
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if len(all) < 2 || !sort.StringsAreSorted(all) || !contains(all, "test") || !contains(all, "invalid") {
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if len(all) < 2 || !slices.IsSorted(all) || !slices.Contains(all, "test") || !slices.Contains(all, "invalid") {
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t.Fatalf("Drivers = %v, want sorted list with at least [invalid, test]", all)
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}
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}
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@ -345,10 +331,8 @@ func (db *fakeDB) columnType(table, column string) (typ string, ok bool) {
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if !ok {
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return
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}
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for n, cname := range t.colname {
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if cname == column {
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return t.coltype[n], true
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}
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if i := slices.Index(t.colname, column); i != -1 {
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return t.coltype[i], true
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}
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return "", false
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}
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@ -823,6 +807,15 @@ func (s *fakeStmt) ExecContext(ctx context.Context, args []driver.NamedValue) (d
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return nil, fmt.Errorf("fakedb: unimplemented statement Exec command type of %q", s.cmd)
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}
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func valueFromPlaceholderName(args []driver.NamedValue, name string) driver.Value {
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for i := range args {
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if args[i].Name == name {
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return args[i].Value
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}
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}
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return nil
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}
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// When doInsert is true, add the row to the table.
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// When doInsert is false do prep-work and error checking, but don't
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// actually add the row to the table.
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@ -857,11 +850,8 @@ func (s *fakeStmt) execInsert(args []driver.NamedValue, doInsert bool) (driver.R
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val = args[argPos].Value
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} else {
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// Assign value from argument placeholder name.
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for _, a := range args {
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if a.Name == strvalue[1:] {
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val = a.Value
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break
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}
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if v := valueFromPlaceholderName(args, strvalue[1:]); v != nil {
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val = v
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}
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}
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argPos++
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@ -997,12 +987,8 @@ func (s *fakeStmt) QueryContext(ctx context.Context, args []driver.NamedValue) (
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if wcol.Placeholder == "?" {
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argValue = args[wcol.Ordinal-1].Value
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} else {
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// Assign arg value from placeholder name.
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for _, a := range args {
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if a.Name == wcol.Placeholder[1:] {
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argValue = a.Value
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break
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}
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if v := valueFromPlaceholderName(args, wcol.Placeholder[1:]); v != nil {
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argValue = v
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}
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}
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if fmt.Sprintf("%v", tcol) != fmt.Sprintf("%v", argValue) {
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@ -24,7 +24,7 @@ import (
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"math/rand/v2"
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"reflect"
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"runtime"
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"sort"
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"slices"
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"strconv"
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"sync"
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"sync/atomic"
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@ -69,7 +69,7 @@ func Drivers() []string {
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for name := range drivers {
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list = append(list, name)
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}
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sort.Strings(list)
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slices.Sort(list)
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return list
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}
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@ -3452,11 +3452,9 @@ func (r *Row) Scan(dest ...any) error {
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// they were obtained from the network anyway) But for now we
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// don't care.
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defer r.rows.Close()
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for _, dp := range dest {
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if _, ok := dp.(*RawBytes); ok {
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if scanArgsContainRawBytes(dest) {
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return errors.New("sql: RawBytes isn't allowed on Row.Scan")
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}
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}
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if !r.rows.Next() {
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if err := r.rows.Err(); err != nil {
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@ -40,14 +40,7 @@ func init() {
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freedFrom[c] = s
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}
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putConnHook = func(db *DB, c *driverConn) {
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idx := -1
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for i, v := range db.freeConn {
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if v == c {
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idx = i
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break
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}
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}
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if idx >= 0 {
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if slices.Contains(db.freeConn, c) {
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// print before panic, as panic may get lost due to conflicting panic
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// (all goroutines asleep) elsewhere, since we might not unlock
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// the mutex in freeConn here.
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@ -291,7 +284,7 @@ func TestQuery(t *testing.T) {
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{age: 2, name: "Bob"},
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{age: 3, name: "Chris"},
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}
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if !reflect.DeepEqual(got, want) {
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if !slices.Equal(got, want) {
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t.Errorf("mismatch.\n got: %#v\nwant: %#v", got, want)
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}
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@ -355,7 +348,7 @@ func TestQueryContext(t *testing.T) {
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{age: 1, name: "Alice"},
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{age: 2, name: "Bob"},
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}
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if !reflect.DeepEqual(got, want) {
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if !slices.Equal(got, want) {
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t.Errorf("mismatch.\n got: %#v\nwant: %#v", got, want)
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}
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@ -540,7 +533,7 @@ func TestMultiResultSetQuery(t *testing.T) {
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{age: 2, name: "Bob"},
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{age: 3, name: "Chris"},
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}
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if !reflect.DeepEqual(got1, want1) {
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if !slices.Equal(got1, want1) {
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t.Errorf("mismatch.\n got1: %#v\nwant: %#v", got1, want1)
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}
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@ -566,7 +559,7 @@ func TestMultiResultSetQuery(t *testing.T) {
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{name: "Bob"},
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{name: "Chris"},
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}
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if !reflect.DeepEqual(got2, want2) {
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if !slices.Equal(got2, want2) {
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t.Errorf("mismatch.\n got: %#v\nwant: %#v", got2, want2)
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}
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if rows.NextResultSet() {
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@ -614,7 +607,7 @@ func TestQueryNamedArg(t *testing.T) {
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want := []row{
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{age: 2, name: "Bob"},
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}
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if !reflect.DeepEqual(got, want) {
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if !slices.Equal(got, want) {
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t.Errorf("mismatch.\n got: %#v\nwant: %#v", got, want)
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}
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@ -724,7 +717,7 @@ func TestRowsColumns(t *testing.T) {
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t.Fatalf("Columns: %v", err)
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}
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want := []string{"age", "name"}
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if !reflect.DeepEqual(cols, want) {
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if !slices.Equal(cols, want) {
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t.Errorf("got %#v; want %#v", cols, want)
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}
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if err := rows.Close(); err != nil {
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@ -827,7 +820,7 @@ func TestQueryRow(t *testing.T) {
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t.Fatalf("photo QueryRow+Scan: %v", err)
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}
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want := []byte("APHOTO")
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if !reflect.DeepEqual(photo, want) {
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if !slices.Equal(photo, want) {
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t.Errorf("photo = %q; want %q", photo, want)
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}
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}
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