DatabasePool: Only upgrade flags of existent databases if there is no more room in the pool
DatabasePool: Only upgrade flags of existent databases if there is no more room in the pool

Kronuz/Xapiand,Kronuz/Xapiand,Kronuz/Xapiand,Kronuz/Xapiand,Kronuz/Xapiand,Kronuz/Xapiand