I think one of the more difficult areas will be to convert unsigned
fields from mysql into postgres. For smaller sizes it is possible to
convert to postgres by moving one size up and using constraints to
restrict numbers to be positive, and possibly within the mysql range
too. But, the problem is unsigned bigint in mysql to postgresql.
There's not another larger integer size that can be used that would
allow the 18446744073709551615 (is that the max value?) max value
available in mysql. Or am I missing something?
You'd just issue a warning...
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