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ERROR-全量同步过程中出现错误 #19

@oslet

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@oslet

环境: centos 7 | clickhouse ClickHouse server version 20.12.5 | cds 最新版(建议添加一个版本号, commitid: 28c51c5)

现像: 在配置好全量同步,执行同步过程出现如下错误:

{"@timestamp":"2021-01-04T17:03:44.268+08","level":"error","content":"mysqltypeconv.go:59 sql: Scan error on column index 4, name \"Default\":
 converting NULL to string is unsupported"}

可能原因: 建表语句指定了字段类型, 导致NULL转换失败

问题:

* 建表语句是否可支持 Nullable
* 全库同步需要选中所有表 ?

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