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Code Activity

* Moved causal reads/gtid wait into server state interface

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* Changed undefined seqno to be defined as -1
This commit is contained in:
Teemu Ollakka
2018-06-21 10:37:55 +03:00
parent ef0fb72b73
commit 3a8861b26b
12 changed files with 167 additions and 65 deletions
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22
include/wsrep/seqno.hpp
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@ -23,15 +23,15 @@ namespace wsrep
{
public:
seqno()
: seqno_()
: seqno_(-1)
{ }
explicit seqno(long long seqno)
: seqno_(seqno)
{
if (seqno_ < 0)
if (seqno_ < -1)
{
throw wsrep::runtime_error("Negative seqno given");
throw wsrep::runtime_error("Too negative seqno given");
}
}
@ -40,9 +40,9 @@ namespace wsrep
return seqno_;
}
bool nil() const
bool is_undefined() const
{
return (seqno_ == 0);
return (seqno_ == -1);
}
bool operator<(seqno other) const
@ -54,13 +54,19 @@ namespace wsrep
{
return (seqno_ > other.seqno_);
}
bool operator==(seqno other) const
{
return (seqno_ == other.seqno_);
}
seqno operator+(seqno other) const
{
return (seqno(seqno_ + other.seqno_));
}
static seqno undefined() { return seqno(0); }
seqno operator+(long long other) const
{
return (*this + seqno(other));
}
static seqno undefined() { return seqno(-1); }
private:
long long seqno_;
};