I have seen fishing rods repaired that most people would think were hopeless cases. It depends on where the break is; and most importantly on the skill and knowledge of the repairman. Often a rod that has lost a few inches off the tip still works quite well. Indeed it was the fashion a few years back to convert jigging rods into boat rods by cutting them down. Never throw away a broken rod, or rod section, as one day you might be able to use it to fix up another rod.
I once got home and realised I had left the tip section of an expensive rod at the mouth of the Waimakariri River. I knew it was a faint hope but I drove all the way back to the river to look for it. To my great joy it was still there even though many people would have walked past it!