ORA-30772: opaque types do not have default constructors

ORA-30772: opaque types do not have default constructors
Cause: Constructor invocation did not succeed, since no user-defined constructors were defined for the opaque type, and since opaque types do not have default constructors.
Action: Add user-defined constructors to opaque type, or specify a member or static method for the opaque type.

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分类：大数据

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小智 2018-08-30 16:49

ORA-30772：opaque类型没有默认构造函数,
.原因：构造函数调用没有成功，因为没有为opaque类型定义用户定义的构造函数，并且因为opaque类型没有默认构造函数。,
.操作：将用户定义的构造函数添加到不透明类型，或为不透明类型指定成员或静态方法。,
.

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ORA-30772: opaque types do not have default constructors

1 个回答

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