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MySQL
8.0.23
Source Code Documentation
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Emulate lazy computation. More...
#include <opt_explain_format.h>
Public Member Functions | |
virtual | ~Lazy () |
virtual bool | eval (String *ret)=0 |
Deferred evaluation of encapsulated expression. More... | |
Emulate lazy computation.
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inlinevirtual |
Deferred evaluation of encapsulated expression.
[out] | ret | Return string value |
false | Success |
true | Failure (OOM) |
Implemented in Explain::Lazy_condition.