优化索引单列长度的767字节限制逻辑 #176
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优化索引单列长度的767字节限制逻辑 #176
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Codecov Report
@@ Coverage Diff @@
## master #176 +/- ##
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- Coverage 58.7335% 58.7240% -0.0096%
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Files 371 371
Lines 83506 83511 +5
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- Hits 49046 49041 -5
- Misses 30195 30205 +10
Partials 4265 4265 |
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根据MySQL参数
innodb_large_prefix是否开启来限制单列是否允许超过767字节。索引的所有列总长度始终不允许超过3072字节。
(未判断InnoDB页大小以及表属性DYNAMIC和COMPRESSED等)