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MXS-1849 Add functions for mapping tables to servers

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This commit is contained in:
Marko
2018-06-15 12:20:24 +03:00
parent 249e66756f
commit b38cac4939
4 changed files with 198 additions and 0 deletions
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29
server/modules/routing/schemarouter/shard_map.cc
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@ -32,6 +32,12 @@ bool Shard::add_location(std::string db, SERVER* target)
return m_map.insert(std::make_pair(db, target)).second;
}
bool Shard::add_table_location(std::string table, SERVER* target)
{
std::transform(table.begin(), table.end(), table.begin(), ::tolower);
return m_table_map.insert(std::make_pair(table, target)).second;
}
void Shard::replace_location(std::string db, SERVER* target)
{
std::transform(db.begin(), db.end(), db.begin(), ::tolower);
@ -52,6 +58,24 @@ SERVER* Shard::get_location(std::string db)
return rval;
}
SERVER* Shard::get_table_location(std::string table)
{
SERVER* rval = NULL;
std::transform(table.begin(), table.end(), table.begin(), ::tolower);
std::size_t pos = table.find(".");
if(pos != std::string::npos)
{
table = table.substr(pos + 1);
}
ServerMap::iterator iter = m_table_map.find(table);
if (iter != m_table_map.end())
{
rval = iter->second;
}
return rval;
}
bool Shard::stale(double max_interval) const
{
time_t now = time(NULL);
@ -64,6 +88,11 @@ bool Shard::empty() const
return m_map.size() == 0;
}
bool Shard::tables_empty() const
{
return m_table_map.size() == 0;
}
void Shard::get_content(ServerMap& dest)
{
for (ServerMap::iterator it = m_map.begin(); it != m_map.end(); it++)