Major Description
Using LOB functions stringtolob/filetolob with parameters in prepare statement will result in error:
>> create table (a int, b blob);
>> prepare s1 from insert into t1 values (1, stringtolob(?));
*** ERROR[4221] The operand of function LOBINSERT must be CHARACTER.
*** ERROR[8822] The statement was not prepared.
>> prepare s1 from update t1 set b = filetolob(?) where a = 1;
*** ERROR[15001] A syntax error occurred at or before:
update t1 set b = filetolob(?) where a = 1;
^ (29 characters from start of SQL statement)
*** ERROR[8822] The statement was not prepared.