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MySQL Error number: MY-013921; Symbol: ER_COMPONENT_EE_FUNCTION_KEY_LENGTH_OUT_OF_RANGE; SQLSTATE: H

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MySQL Error number: MY-013921; Symbol: ER_COMPONENT_EE_FUNCTION_KEY_LENGTH_OUT_OF_RANGE; SQLSTATE: H

文档解释

Error number: MY-013921; Symbol: ER_COMPONENT_EE_FUNCTION_KEY_LENGTH_OUT_OF_RANGE; SQLSTATE: HY000

Message: Invalid key length ‘%d’ for function ‘%s’ with algorithm ‘%s’. Please provide a value between [%d, %d].

错误说明

MY-013921(ER_COMPONENT_EE_FUNCTION_KEY_LENGTH_OUT_OF_RANGE)是MySQL中错误码,它指当你尝试用错误长度的键字建立索引时所抛出的错误。它的错误消息是“ Component’s key length out of range for the given function ”,意思是该函数要求的键字长度超出了可接受范围。此错误属于MySQL数据库中的“ HY000 ”家族。

常见案例

这类错误可能在用超过MySQL支持长度的键字建立索引时发生。MySQL是一款高度可伸缩性的关系型数据库管理系统,它提供了一系列强大、易用的数据库操作API,允许应用程序轻松地实现丰富的功能特性。MySQL创建索引时,可用索引键长度为767字节。若使用太长的索引,可能会使MySQL无法正确的识别此索引,从而得到本错误。

解决方法

当遇到此错误时,建议检查索引的长度是否超过MySQL支持的最大长度,并重新调整索引的长度,从而解决此错误。

另外,也可试着修改MySQL的最大索引长度,以便可以使用较长的索引。但是,建议使用MySQL支持的最大索引长度,以获得最佳性能。

总之,MY-013921(ER_COMPONENT_EE_FUNCTION_KEY_LENGTH_OUT_OF_RANGE)错误是MySQL数据库中一种常见的错误,可能伴随着MySQL键字长度的错误使用而来。如果遇到这类错误,最好是检查索引的长度,并重新调整其最大长度。

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MySQL Error number: MY-013921; Symbol: ER_COMPONENT_EE_FUNCTION_KEY_LENGTH_OUT_OF_RANGE; SQLSTATE: H

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