Support `createDatabaseIfNotExist`

asyncer-io / r2dbc-mysql

Reactive Relational Database Connectivity for MySQL. The official successor to mirromutth/r2dbc-mysql(dev.miku:r2dbc-mysql).

https://r2dbc.io

Apache License 2.0

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Closed mirromutth closed 8 months ago

mirromutth commented 8 months ago

Motivation:

See also #158 .

It should be named createDatabaseIfNotExist, the same as JDBC naming.

Modification:

[x] Add option to enable createDatabaseIfNotExist
[x] Support COM_INIT_DB and database can be initialized after handshake
[x] Support sending CREATE DATABASE IF NOT EXISTS statement and retrying COM_INIT_DB after COM_INIT_DB fails for the first time

Result:

Support createDatabaseIfNotExist.