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表字段comment信息长度超过1024 bytes,表结构转换报错 #90

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Chad20N13 opened this issue Jan 16, 2025 · 0 comments
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@Chad20N13
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Bug Report

Please answer these questions before submitting your issue. Thanks!

1. Minimal reproduce step (Required)

在源端oracle中的,表字段上的comment信息很长,没有1024的限制;

在表结构转换过程中,由于tidb层filed comment最大长度限制1024字节, 导致DDL执行失败;

2. What did you expect to see? (Required)

DDL能够正常执行,避免表结构创建失败被遗漏;
或者能否提供一个配置项,来控制是否自动截断超过1024长度的comment部分,避免DDL报错;

3. What did you see instead (Required)

DDL执行报错;

4. What is your DBMS version? (Required)

Release Version: v0.0.18

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