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224
dao/task_dao.go
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224
dao/task_dao.go
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package dao
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import (
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"context"
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"fmt"
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"time"
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"model-asynch/consts/public"
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"model-asynch/model/entity"
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"gitea.com/red-future/common/db/gfdb"
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"github.com/gogf/gf/v2/database/gdb"
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"github.com/gogf/gf/v2/os/gtime"
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)
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var Task = &taskDao{}
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type taskDao struct{}
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func (d *taskDao) Insert(ctx context.Context, t *entity.AsynchTask) (id int64, err error) {
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r, err := gfdb.DB(ctx).Model(ctx, public.TableNameTask).Data(t).Insert()
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if err != nil {
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return 0, err
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}
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return r.LastInsertId()
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}
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func (d *taskDao) GetByTaskID(ctx context.Context, taskID string) (t *entity.AsynchTask, err error) {
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r, err := gfdb.DB(ctx).Model(ctx, public.TableNameTask).
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Where(entity.AsynchTaskCol.TaskID, taskID).
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One()
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if err != nil {
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return nil, err
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}
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if r.IsEmpty() {
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return nil, nil
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}
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err = r.Struct(&t)
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return
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}
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// ListByTaskIDs 批量查询任务（会受 gfdb 的租户 Hook 影响，只返回当前租户数据）
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func (d *taskDao) ListByTaskIDs(ctx context.Context, taskIDs []string) (list []*entity.AsynchTask, err error) {
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if len(taskIDs) == 0 {
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return nil, nil
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}
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r, err := gfdb.DB(ctx).Model(ctx, public.TableNameTask).
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WhereIn(entity.AsynchTaskCol.TaskID, taskIDs).
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All()
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if err != nil {
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return nil, err
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}
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err = r.Structs(&list)
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return
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}
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// MarkDownloadedByID 将成功任务标记为已下载(state=4)，并写入过期时间
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func (d *taskDao) MarkDownloadedByID(ctx context.Context, id int64, expireAt *gtime.Time) error {
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data := gdb.Map{
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entity.AsynchTaskCol.State: 4,
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entity.AsynchTaskCol.ExpireAt: expireAt,
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entity.AsynchTaskCol.Updater: "",
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}
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_, err := gfdb.DB(ctx).Model(ctx, public.TableNameTask).
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Where(entity.AsynchTaskCol.Id, id).
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Where(entity.AsynchTaskCol.State, 2).
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Data(data).
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Update()
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return err
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}
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func (d *taskDao) UpdateRunning(ctx context.Context, id int64) error {
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now := gtime.Now()
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data := gdb.Map{
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entity.AsynchTaskCol.State: 1,
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entity.AsynchTaskCol.StartedAt: now,
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entity.AsynchTaskCol.Updater: "",
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}
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_, err := gfdb.DB(ctx).Model(ctx, public.TableNameTask).
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Where(entity.AsynchTaskCol.Id, id).
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Data(data).
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Update()
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return err
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}
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func (d *taskDao) UpdateSuccess(ctx context.Context, id int64, ossFile, fileType string, fileSize int64, expireAt *gtime.Time) error {
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now := gtime.Now()
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data := gdb.Map{
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entity.AsynchTaskCol.State: 2,
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entity.AsynchTaskCol.OssFile: ossFile,
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entity.AsynchTaskCol.FileType: fileType,
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entity.AsynchTaskCol.FileSize: fileSize,
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entity.AsynchTaskCol.ErrorMsg: "",
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entity.AsynchTaskCol.FinishedAt: now,
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entity.AsynchTaskCol.ExpireAt: expireAt,
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entity.AsynchTaskCol.Updater: "",
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}
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_, err := gfdb.DB(ctx).Model(ctx, public.TableNameTask).
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Where(entity.AsynchTaskCol.Id, id).
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Data(data).
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Update()
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return err
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}
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func (d *taskDao) UpdateFailed(ctx context.Context, id int64, errorMsg string) error {
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now := gtime.Now()
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data := gdb.Map{
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entity.AsynchTaskCol.State: 3,
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entity.AsynchTaskCol.ErrorMsg: errorMsg,
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entity.AsynchTaskCol.FinishedAt: now,
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entity.AsynchTaskCol.Updater: "",
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}
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_, err := gfdb.DB(ctx).Model(ctx, public.TableNameTask).
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Where(entity.AsynchTaskCol.Id, id).
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Data(data).
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Update()
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return err
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}
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func (d *taskDao) SoftDeleteByTaskID(ctx context.Context, taskID string) (rows int64, err error) {
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r, err := gfdb.DB(ctx).Model(ctx, public.TableNameTask).
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Where(entity.AsynchTaskCol.TaskID, taskID).
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Delete()
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if err != nil {
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return 0, err
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}
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return r.RowsAffected()
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}
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// CountActiveByModel 统计某模型排队中/执行中的任务数，用于 queue_limit 限制（近似值）
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func (d *taskDao) CountActiveByModel(ctx context.Context, modelName string) (int64, error) {
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n, err := gfdb.DB(ctx).Model(ctx, public.TableNameTask).
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Where(entity.AsynchTaskCol.ModelName, modelName).
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WhereIn(entity.AsynchTaskCol.State, []int{0, 1}).
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Count()
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return int64(n), err
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}
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// ClaimPending 抢占 pending 任务（state=0），并在同一事务中更新为 running（state=1）
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// 使用 PostgreSQL: FOR UPDATE SKIP LOCKED 避免多 worker 重复消费
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func (d *taskDao) ClaimPending(ctx context.Context, batchSize int) (tasks []*entity.AsynchTask, err error) {
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if batchSize <= 0 {
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batchSize = 1
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}
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err = gfdb.DB(ctx).Transaction(ctx, func(ctx context.Context, tx gdb.TX) error {
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sql := fmt.Sprintf(
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`SELECT id, tenant_id, model_name, task_id, input_ref, request_payload
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FROM %s
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WHERE deleted_at IS NULL AND state = 0
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ORDER BY created_at ASC
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LIMIT %d
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FOR UPDATE SKIP LOCKED`,
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public.TableNameTask,
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batchSize,
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)
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r, err := tx.GetAll(sql)
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if err != nil {
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return err
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}
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if r.IsEmpty() {
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tasks = nil
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return nil
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}
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if err := r.Structs(&tasks); err != nil {
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return err
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}
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// 更新为 running
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now := time.Now()
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for _, t := range tasks {
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// tx.Model 不走 gfdb Hook，这里手动更新必要字段
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_, err = tx.Exec(
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fmt.Sprintf(`UPDATE %s SET state=1, started_at=?, updated_at=? WHERE id=?`, public.TableNameTask),
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now, now, t.Id,
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)
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if err != nil {
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return err
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}
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}
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return nil
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})
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return
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}
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// ListExpiredSuccess 获取已成功且过期的任务
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func (d *taskDao) ListExpiredSuccess(ctx context.Context, limit int) (list []*entity.AsynchTask, err error) {
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if limit <= 0 {
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limit = 100
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}
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r, err := gfdb.DB(ctx).Model(ctx, public.TableNameTask).
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Where(entity.AsynchTaskCol.State, 2).
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Where(entity.AsynchTaskCol.ExpireAt+" IS NOT NULL").
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Where(entity.AsynchTaskCol.ExpireAt+" < ?", gtime.Now()).
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Limit(limit).
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All()
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if err != nil {
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return nil, err
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}
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err = r.Structs(&list)
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return
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}
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// ListTimeoutTasks 获取超时的排队/执行中任务
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func (d *taskDao) ListTimeoutTasks(ctx context.Context, timeout time.Duration, limit int) (list []*entity.AsynchTask, err error) {
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if limit <= 0 {
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limit = 100
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}
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deadline := gtime.New(time.Now().Add(-timeout))
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r, err := gfdb.DB(ctx).Model(ctx, public.TableNameTask).
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WhereIn(entity.AsynchTaskCol.State, []int{0, 1}).
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Where(entity.AsynchTaskCol.UpdatedAt+" < ?", deadline).
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Limit(limit).
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All()
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if err != nil {
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return nil, err
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}
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err = r.Structs(&list)
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return
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}
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// DebugPing 用于启动时检测数据库连通性（可选）
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func (d *taskDao) DebugPing(ctx context.Context) error {
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_, err := gfdb.DB(ctx).GetAll(ctx, "SELECT 1")
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return err
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}
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