Svaret är varken , det vill säga, om inte din GM beslutar att lägga till den i en grupp (se nedan). Från PRD (Core Rulebook):
Weapon groups are defined as follows (GMs may add other weapons to these groups, or add entirely new groups):
Axes: battleaxe, dwarven waraxe, greataxe, handaxe, heavy pick, light pick, orc double axe, and throwing axe.
Blades, Heavy: bastard sword, elven curve blade, falchion, greatsword, longsword, scimitar, scythe, and two-bladed sword.
Blades, Light: dagger, kama, kukri, rapier, sickle, starknife, and short sword.
Bows: composite longbow, composite shortbow, longbow, and shortbow.
Close: gauntlet, heavy shield, light shield, punching dagger, sap, spiked armor, spiked gauntlet, spiked shield, and unarmed strike.
Crossbows: hand crossbow, heavy crossbow, light crossbow, heavy repeating crossbow, and light repeating crossbow.
Double: dire flail, dwarven urgrosh, gnome hooked hammer, orc double axe, quarterstaff, and two-bladed sword.
Flails: dire flail, flail, heavy flail, morningstar, nunchaku, spiked chain, and whip.
Hammers: club, greatclub, heavy mace, light hammer, light mace, and warhammer.
Monk: kama, nunchaku, quarterstaff, sai, shuriken, siangham, and unarmed strike.
Natural: unarmed strike and all natural weapons, such as bite, claw, gore, tail, and wing.
Pole Arms: glaive, guisarme, halberd, and ranseur.
Spears: javelin, lance, longspear, shortspear, spear, and trident.
Thrown: blowgun, bolas, club, dagger, dart, halfling sling staff, javelin, light hammer, net, shortspear, shuriken, sling, spear, starknife, throwing axe, and trident.
I denna lista finns ingen inmatning för svärdsrottpistolen, vilket innebär att +1-bonusen inte kan läggas till.
Men om din GM lägger sockerpistolen i någon av grupperna, skulle du få en bonus på alla vapenrullar, precis som om det var en kvartsstav.
EDIT:
Men om du använder Ultimate Combat regelboken får du bonusen.