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248
dao/task_dao_bg.go
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248
dao/task_dao_bg.go
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@@ -0,0 +1,248 @@
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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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// ClaimPendingGlobal 后台任务使用：全局抢占 pending 任务（不加 tenant 过滤）
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func (d *taskDao) ClaimPendingGlobal(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, creator, model_name, task_id, model_key, input_ref, request_payload, phase, tmp_file
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FROM %s
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WHERE deleted_at IS NULL AND state = 0
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ORDER BY enqueue_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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now := time.Now()
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for _, t := range tasks {
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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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func (d *taskDao) UpdateSuccessGlobal(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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_, err := gfdb.DB(ctx).Exec(ctx,
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fmt.Sprintf(`UPDATE %s
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SET state=2,
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oss_file=?,
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file_type=?,
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file_size=?,
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error_msg='',
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finished_at=?,
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duration_seconds=EXTRACT(EPOCH FROM (? - created_at))::BIGINT,
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expire_at=NULL,
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phase=0,
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tmp_file='',
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updated_at=?
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WHERE id=?`, public.TableNameTask),
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ossFile, fileType, fileSize, now, now, now, id,
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)
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return err
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}
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func (d *taskDao) UpdateFailedGlobal(ctx context.Context, id int64, errorMsg string) error {
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now := gtime.Now()
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_, err := gfdb.DB(ctx).Exec(ctx,
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fmt.Sprintf(`UPDATE %s
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SET state=3,
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error_msg=?,
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finished_at=?,
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duration_seconds=EXTRACT(EPOCH FROM (? - created_at))::BIGINT,
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phase=0,
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tmp_file='',
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updated_at=?
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WHERE id=?`, public.TableNameTask),
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errorMsg, now, now, now, id,
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)
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return err
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}
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// UpdateFailedKeepTmpGlobal OSS 上传失败：保留 phase/tmp_file，下一轮仅重试 OSS 上传
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func (d *taskDao) UpdateFailedKeepTmpGlobal(ctx context.Context, id int64, errorMsg string) error {
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now := gtime.Now()
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_, err := gfdb.DB(ctx).Exec(ctx,
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fmt.Sprintf(`UPDATE %s SET state=3, error_msg=?, finished_at=?, phase=1, updated_at=? WHERE id=?`, public.TableNameTask),
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errorMsg, now, now, id,
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)
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return err
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}
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// UpdateTmpAfterModelGlobal 模型调用成功后，写入临时文件路径并标记 phase=1
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func (d *taskDao) UpdateTmpAfterModelGlobal(ctx context.Context, id int64, tmpFile string) error {
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_, err := gfdb.DB(ctx).Exec(ctx,
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fmt.Sprintf(`UPDATE %s SET phase=1, tmp_file=?, updated_at=NOW() WHERE id=?`, public.TableNameTask),
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tmpFile, id,
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)
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return err
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}
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func (d *taskDao) SoftDeleteByTaskIDGlobal(ctx context.Context, taskID string) error {
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_, err := gfdb.DB(ctx).Exec(ctx,
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fmt.Sprintf(`UPDATE %s SET deleted_at=NOW(), updated_at=NOW() WHERE task_id=? AND deleted_at IS NULL`, public.TableNameTask),
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taskID,
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)
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return err
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}
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func (d *taskDao) RollbackToPendingGlobal(ctx context.Context, id int64) error {
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_, err := gfdb.DB(ctx).Exec(ctx,
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fmt.Sprintf(`UPDATE %s SET state=0, enqueue_at=NOW(), updated_at=NOW() WHERE id=? AND state=1`, public.TableNameTask),
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id,
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)
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return err
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}
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// ListExpiredDownloadedGlobal 获取已下载(state=4)且过期的任务，用于清理
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func (d *taskDao) ListExpiredDownloadedGlobal(ctx context.Context, limit int) (list []*entity.AsynchTask, err error) {
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if limit <= 0 {
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limit = 200
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}
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r, err := gfdb.DB(ctx).GetAll(ctx,
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fmt.Sprintf(`SELECT * FROM %s WHERE deleted_at IS NULL AND state=4 AND expire_at IS NOT NULL AND expire_at < ? LIMIT ?`, public.TableNameTask),
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gtime.Now(), limit,
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)
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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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// ListFailedRetryableGlobal 获取失败(state=3)且仍可重试的任务
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// retry_count 不含首次执行；retry_times 表示失败后最多再重试 N 次
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func (d *taskDao) ListFailedRetryableGlobal(ctx context.Context, limit int) (list []*entity.AsynchTask, err error) {
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if limit <= 0 {
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limit = 200
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}
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r, err := gfdb.DB(ctx).GetAll(ctx,
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fmt.Sprintf(`
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SELECT t.*,
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m.retry_queue_max_seconds AS retry_queue_max_seconds
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FROM %s t
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JOIN %s m
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ON t.tenant_id = m.tenant_id
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AND t.model_name = m.model_name
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WHERE t.deleted_at IS NULL
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AND t.state = 3
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AND t.retry_count < m.retry_times
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ORDER BY t.updated_at ASC
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LIMIT ?`, public.TableNameTask, public.TableNameModel),
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limit,
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)
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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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// RequeueForRetryGlobal 将任务重新入队（state=0），并将 retry_count +1
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// enqueueAt 用于控制重试任务在队列中的位置：
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// - enqueueAt 越早，越靠前（ClaimPendingGlobal 按 enqueue_at ASC 抢占）
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func (d *taskDao) RequeueForRetryGlobal(ctx context.Context, id int64, enqueueAt time.Time) error {
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_, err := gfdb.DB(ctx).Exec(ctx,
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fmt.Sprintf(`UPDATE %s SET state=0, retry_count=retry_count+1, enqueue_at=?, updated_at=NOW() WHERE id=? AND state=3 AND deleted_at IS NULL`, public.TableNameTask),
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enqueueAt, id,
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)
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return err
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}
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// ListFailedExhaustedGlobal 获取失败(state=3)且超过重试次数的任务，用于硬删除
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func (d *taskDao) ListFailedExhaustedGlobal(ctx context.Context, limit int) (list []*entity.AsynchTask, err error) {
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if limit <= 0 {
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limit = 200
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}
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r, err := gfdb.DB(ctx).GetAll(ctx,
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fmt.Sprintf(`
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SELECT t.*
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FROM %s t
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JOIN %s m
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ON t.tenant_id = m.tenant_id
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AND t.model_name = m.model_name
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WHERE t.deleted_at IS NULL
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AND t.state = 3
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AND t.retry_count >= m.retry_times
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ORDER BY t.updated_at ASC
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LIMIT ?`, public.TableNameTask, public.TableNameModel),
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limit,
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)
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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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// HardDeleteByIDGlobal 硬删除任务记录
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func (d *taskDao) HardDeleteByIDGlobal(ctx context.Context, id int64) error {
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_, err := gfdb.DB(ctx).Exec(ctx,
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fmt.Sprintf(`DELETE FROM %s WHERE id=?`, public.TableNameTask),
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id,
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)
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return err
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}
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// ListTimeoutTasksGlobal 根据模型配置 expected_seconds 判定超时任务：
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// - state in (0,1)
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// - 模型 expected_seconds > 0
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// - now - created_at >= expected_seconds
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func (d *taskDao) ListTimeoutTasksGlobal(ctx context.Context, limit int) (list []*entity.AsynchTask, err error) {
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if limit <= 0 {
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limit = 200
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}
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r, err := gfdb.DB(ctx).GetAll(ctx,
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fmt.Sprintf(`
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SELECT t.*
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FROM %s t
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JOIN %s m
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ON t.tenant_id = m.tenant_id
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AND t.model_name = m.model_name
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WHERE t.deleted_at IS NULL
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AND t.state IN (0,1)
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AND m.expected_seconds > 0
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AND t.created_at < (NOW() - (m.expected_seconds || ' seconds')::interval)
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LIMIT ?`, public.TableNameTask, public.TableNameModel),
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limit,
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)
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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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