Possible to check for results before #fetch(:hash)? (segfault) about fb

[plainlystated]

Looks like it's specific to #fetch(:hash):

$ rails runner "p Firebird::Address._connection.execute('select ADDRESS_ID from TBL_ADDRESS where ADDRESS_ID = 9999').fetch"

nil

fetch_all is doing a nil check before returning results, so I that may be what we need here:
https://github.com/rowland/fb/blob/master/fb.c#L2202

[rowland]

Thank you. Version 0.7.5 returns nil instead.

[plainlystated]

I've confirmed that 0.7.5 fixes the issue. Thanks for the quick turnaround!