When an empty object is matched during import, an error will be reported. [restore for 4413]

[ti-chi-bot]

What did you do?

When I import on dbaas, I set object name pattern as "test.item/ " @glor

What did you expect to see?

import success

What did you see instead?

an error will be reported. "error="restore table zmdb.zmtest failed: InvalidRange: The requested range is not satisfiable\n\tstatus co"

Versions of the cluster

DM version (run dmctl -V or dm-worker -V or dm-master -V):

(paste DM version here, and you must ensure versions of dmctl, DM-worker and DM-master are same)

Upstream MySQL/MariaDB server version:

(paste upstream MySQL/MariaDB server version here)

Downstream TiDB cluster version (execute SELECT tidb_version(); in a MySQL client):

(paste TiDB cluster version here)

How did you deploy DM: tiup or manually?

(leave TiUP or manually here)

Other interesting information (system version, hardware config, etc):

>
>

current status of DM cluster (execute query-status <task-name> in dmctl)

(paste current status of DM cluster here)

[ti-chi-bot]

This issue is restored for #4413, it originally created at 2022-01-19 10:24:10.