b5710546232 / sample-optimistic-pessimistic-lock

Example how to do optimistic and pessimistic lock

Sample create migrate script

migrate create -ext sql -dir database/migration -seq init

# Go 1.16 and above:
go install github.com/volatiletech/sqlboiler/v4@latest
go install github.com/volatiletech/sqlboiler/v4/drivers/sqlboiler-psql@latest