use @@session.collation_server
during create database ...
#2426
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This PR makes it so
create database ...
actually reads the@@session.collation_server
variable.Additionally, this ensures that settings
@@character_set_server
sets@@collation_server
and vice versa.Interestingly, it seems like MySQL actually ignores the global scope of these system variables, and reads the session scope instead.
fixes dolthub/dolt#7651