chore: move the go code into a subfolder

apps/api/internal/v2/database/sql_helper.go

@@ -0,0 +1,75 @@
+package database
+
+import (
+	"context"
+	"database/sql"
+
+	"github.com/zitadel/logging"
+)
+
+type Tx interface {
+	Commit() error
+	Rollback() error
+}
+
+func CloseTx(tx Tx, err error) error {
+	if err != nil {
+		rollbackErr := tx.Rollback()
+		logging.OnError(rollbackErr).Debug("unable to rollback")
+		return err
+	}
+
+	return tx.Commit()
+}
+
+type DestMapper[R any] func(index int, scan func(dest ...any) error) (*R, error)
+
+type Rows interface {
+	Close() error
+	Err() error
+	Next() bool
+	Scan(dest ...any) error
+}
+
+func MapRows[R any](rows Rows, mapper DestMapper[R]) (result []*R, err error) {
+	defer func() {
+		closeErr := rows.Close()
+		logging.OnError(closeErr).Debug("unable to close rows")
+
+		if err == nil && rows.Err() != nil {
+			result = nil
+			err = rows.Err()
+		}
+	}()
+	for i := 0; rows.Next(); i++ {
+		res, err := mapper(i, rows.Scan)
+		if err != nil {
+			return nil, err
+		}
+		result = append(result, res)
+	}
+
+	return result, nil
+}
+
+func MapRowsToObject(rows Rows, mapper func(scan func(dest ...any) error) error) (err error) {
+	defer func() {
+		closeErr := rows.Close()
+		logging.OnError(closeErr).Debug("unable to close rows")
+
+		if err == nil && rows.Err() != nil {
+			err = rows.Err()
+		}
+	}()
+	for rows.Next() {
+		err = mapper(rows.Scan)
+		if err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+type Querier interface {
+	QueryContext(context.Context, string, ...any) (*sql.Rows, error)
+}