SQLPLUS ARRAYSIZE and LOB

SQLPLUS ARRAYSIZE drops to 1 if your query select list contains LOB column(s).

Extended SQL Trace file contains following rows for such queries (on my 11.2.0.3 Linux box)

FETCH #4013088:c=24997,e=24286,p=0,cr=384,cu=394,mis=0,r=1,dep=0,og=1,plh=1447629766,tim=1372161822772660
WAIT #4013088: nam='SQL*Net message from client' ela= 315 driver id=1413697536 #bytes=1 p3=0 obj#=3 tim=1372161822773140
WAIT #0: nam='SQL*Net message to client' ela= 5 driver id=1413697536 #bytes=1 p3=0 obj#=3 tim=1372161822773212
LOBREAD: c=0,e=57,p=0,cr=2,cu=0,tim=1372161822773231
WAIT #0: nam='SQL*Net message from client' ela= 385 driver id=1413697536 #bytes=1 p3=0 obj#=3 tim=1372161822773655
WAIT #0: nam='SQL*Net message to client' ela= 5 driver id=1413697536 #bytes=1 p3=0 obj#=3 tim=1372161822773720
LOBREAD: c=0,e=54,p=0,cr=2,cu=0,tim=1372161822773739
WAIT #0: nam='SQL*Net message from client' ela= 1432 driver id=1413697536 #bytes=1 p3=0 obj#=3 tim=1372161822775210
LOBTMPFRE: c=0,e=21,p=0,cr=0,cu=0,tim=1372161822775271
WAIT #0: nam='SQL*Net message to client' ela= 5 driver id=1413697536 #bytes=1 p3=0 obj#=3 tim=1372161822775301
WAIT #0: nam='SQL*Net message from client' ela= 359 driver id=1413697536 #bytes=1 p3=0 obj#=3 tim=1372161822775677
WAIT #4013088: nam='SQL*Net message to client' ela= 6 driver id=1413697536 #bytes=1 p3=0 obj#=3 tim=1372161822795869
FETCH #4013088:c=19997,e=20226,p=0,cr=389,cu=394,mis=0,r=1,dep=0,og=1,plh=1447629766,tim=1372161822795935