MySQL建索引报错：BLOB/TEXT column used in key specification without a key length

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2024-01-30

MySQL建索引报错：BLOB/TEXT column used in key specification without a key length

因为text类型的字段值太长，没办法为全部内容建立索引，只能指定前多少位字符建立索引；

就像这样

create index `索引名` on 表名 (字段名(600));

所以能用varchar能放下的尽量使用varchar吧

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