Son Jungwook

https://github.com/crystal-lang/crystal-mysql/blob/master/src/mysql/packets.cr#L75 Just replacing value `0x21u8` to `0x2du8` utf8mb4_general_ci works.

In my MacBook, running spec in the docker image `MySQL:5.7` has passed successfully.

@bcardiff Fixed it. Thanks

I am just creating the new connection every 10k bulk inserts. https://github.com/metacortex/crecto/tree/reset_connection Manually calling `Repo.reset_connection` in the end of every loop. It's little bit ugly but works well for my...

@fridgerator No. It just releases the existing connection to prevent leaking. crystal-db raises exception, and handling it should be done outside of crystal-db. Crecto would handle the exception (re-open connection...

https://github.com/Crecto/crecto/pull/96

When the result of COUNT query is empty, it returns 'null' instead of '0' ``` [{"type" => "table", "columns" => ["COUNT(1)"], "rows" => []}] ``` should be ``` [{"type" =>...