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alter table xxx add constrain XXX unique 为什么不可以？导致hibernate hbm2ddl 启动创建表时无法成功添加unique constraint #978

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ghost opened this issue Oct 21, 2015 · 3 comments
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alter table xxx add constrain XXX unique 为什么不可以？导致hibernate hbm2ddl 启动创建表时无法成功添加unique constraint #978

ghost opened this issue Oct 21, 2015 · 3 comments

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@ghost
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ghost commented Oct 21, 2015

我看MySqlStatementParser里没有考虑这种情况。这导致hibernate hbm2ddl 启动创建表时无法成功添加unique constraint。
@yakolee
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yakolee commented Oct 23, 2015

你使用的是哪个版本，我这里使用最新版本1.0.16测试mysql是支持alter table xxx add constrain XXX unique解析的

@ghost
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ghost commented Oct 23, 2015

我也是1.0.16，确实报错啊。(使用了wall Filter）
看下MySqlStatementParser的parseAlter方法，只考虑了PRIMARY和FOREIGN两种情况，UNIQUE就走2341行抛异常了。

@429668385
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使用DruidDataSource不配置就可以跑起来了

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@yakolee @429668385