* temporarily cache account status counts to reduce no. account counts
* whoops, forgot to initAccountCounts()
* use already fetched cache capacity value
* make cache a ptr type
* whoops, use count instead of just select
* fix to correctly use the transaction
* properly wrap that tx 😇
* correctly wrap both tx types
* outline retryOnBusy() to allow the fast path to be inlined
* return err on context cancelled
* remove unnecessary storage of context in stmt, fix Exec and Query interface implementations
* shutup linter
kim