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Make active table map array dynamic

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By storing the table maps in a std::unordered_map, the storage of mapped
tables is made dynamic. This also makes the management of mapped tables a
lot more robust.
This commit is contained in:
Markus Mäkelä
2018-05-23 00:48:44 +03:00
parent f8ceb875a0
commit 232d86e67a
4 changed files with 19 additions and 22 deletions
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18
server/modules/routing/avrorouter/avro_file.cc
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@ -932,22 +932,18 @@ bool is_alter_table_statement(Avro *router, char* ptr, size_t len)
*/
bool save_and_replace_table_create(Avro *router, TABLE_CREATE *created)
{
char table_ident[MYSQL_TABLE_MAXLEN + MYSQL_DATABASE_MAXLEN + 2];
snprintf(table_ident, sizeof(table_ident), "%s.%s", created->database.c_str(), created->table.c_str());
std::string table_ident = created->database + "." + created->table;
auto it = router->created_tables.find(table_ident);
if (it != router->created_tables.end())
{
for (auto a = router->table_maps.begin(); a != router->table_maps.end(); a++)
{
if (a->first == table_ident)
{
router->active_maps[a->second->id % MAX_MAPPED_TABLES] = NULL;
}
}
auto tm_it = router->table_maps.find(table_ident);
router->table_maps.erase(table_ident);
if (tm_it != router->table_maps.end())
{
router->active_maps.erase(tm_it->second->id);
router->table_maps.erase(tm_it);
}
}
router->created_tables[table_ident] = STableCreate(created);