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- 【TiDB 版本】：3.0.12
- 【问题描述】：tidb集群间备份恢复，集群版本相同，工具为4.0.2版本dumpling导出为sql文本，在新集群中tidb-lightnint导入恢复。
tidb-backend方式，共3个schema，前两个schema导入成功无报错，1个schema里共3张表全部导入失败。
部分报错信息：
[ERROR] [restore.go.1605] [“write to data engine failed”] [table=zipkin.zipkin_spans] [engineNumber=0] [fileIndex=1] [path=/data/dfs01/dbbackup/tidb_bak/20201021/zipkin.zipkin_spans.1.sql.0] [task=deliver] [error=“Error 1054: Unknown column ‘0x’ in ’ '”]
[ERROR] [restore.go.1001] [“encode kv data and write failed”] [table=zipkin.zipkin_spans] [engineNumber=0] [takeTime=230.847429ms] [error=“Error 1054: Unknown column ‘0x’ in ’ '”]
[ERROR] [restore.go.848] [“restore engine failed”] [table=zipkin.zipkin_spans] [engineNumber=0] [takeTime=235.069659ms] [error=“Error 1054: Unknown column ‘0x’ in ’ '”]
[ERROR] [restore.go.870] [“import whole table failed”] [table=zipkin.zipkin_spans] [takeTime=238.008873ms] [error=“Error 1054: Unknown column ‘0x’ in ’ '”]
[ERROR] [restore.go.610] [“restore table failed”] [table=zipkin.zipkin_spans] [takeTime=248.882466ms] [error=“restore table zipkin.zipkin_spans failed: Error 1054: Unknown column ‘0x’ in ’ '”]
zipkin.zipkin_spans表结构：
create table zipkin_spans(
trace_id_high bigint not null default ‘0’,
trace_id bigint not null,
id bigint not null,
name varchar(255) not null,
remote_service_name varchar(255) default null,
parent_id bigint default null,
debug bit(1) default null,
start_ts bigint default null,
duration bigint default null,
primary key (trace_id_high,trace_id,id),
key idx1(trace_id_high,trace_id),
key idx2(name),
key idx3(remote_service_name),
key idx4(start_ts)
);
从备份文件 zipkin.zipkin_spans.1.sql 中，找出insert语句，测试在MYSQL SHELL中执行insert 一条数据，执行成功未报错。
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