Forbid adding schema properties if they existed before #2496
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SuperYoko
reviewed
Jan 16, 2023
SuperYoko
previously approved these changes
Jan 16, 2023
wenhaocs
approved these changes
Jan 16, 2023
SuperYoko
approved these changes
Jan 17, 2023
randomJoe211
approved these changes
Jan 17, 2023
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| - 登录的用户必须拥有对应权限才能执行`ALTER TAG`语句。详情请参见[内置角色权限](../../7.data-security/1.authentication/3.role-list.md)。 | ||
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| - 确保要修改的属性不包含索引，否则`ALTER TAG`时会报冲突错误`[ERROR (-1005)]: Conflict!`。删除索引请参见 [drop index](../14.native-index-statements/6.drop-native-index.md)。 | ||
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| - 确保新增的属性名不与已存在或被删除的属性名同名，否则新增属性会失败。 |
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先DROP，再ADD或者CHANGE也不行吗？
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