获取clob/blob的长度
同名函数,参数输入不同
-- dbms_lob_getlength
create function 'gbasedbt'.dbms_lob_getlength (blob)
returns integer
external name '$GBASEDBTDIR/extend/excompat.1.0/excompat.bld(dbms_lob_getlength)' language c;
create function 'gbasedbt'.dbms_lob_getlength (clob)
returns integer
external name '$GBASEDBTDIR/extend/excompat.1.0/excompat.bld(dbms_lob_getlength)' language c;