oracle×Ö·û´®·Ö¸îºÍÌáÈ¡º¯Êý¶¨Òå

oracle×Ö·û´®·Ö¸îºÍÌáÈ¡
·Ö¸î
create or replace function Get_StrArrayLength
(
  av_str varchar2,  --Òª·Ö¸îµÄ×Ö·û´®
  av_split varchar2  --·Ö¸ô·ûºÅ
)
return number
is
  lv_str varchar2(1000);
  lv_length number;
begin
  lv_str:=ltrim(rtrim(av_str));
  lv_length:=0;
  while instr(lv_str,av_split)<>0 loop
     lv_length:=lv_length+1;
     lv_str:=substr(lv_str,instr(lv_str,av_split)+length(av_split),length(lv_str));
  end loop;
  lv_length:=lv_length+1;
  return lv_length;
end Get_StrArrayLength;
 
ÌáÈ¡
create or replace function Get_StrArrayStrOfIndex
(
  av_str varchar2,  --Òª·Ö¸îµÄ×Ö·û´®
  av_split varchar2,  --·Ö¸ô·ûºÅ
  av_index number --È¡µÚ¼¸¸öÔªËØ
)
return varchar2
is
  lv_str varchar2(1024);
  lv_strOfIndex varchar2(1024);
  lv_length number;
begin
  lv_str:=ltrim(rtrim(av_str));
  lv_str:=concat(lv_str,av_split);
  lv_length:=av_index;
  if lv_length=0 then
      lv_strOfIndex:=substr(lv_str,1,instr(lv_str,av_split)-length(av_split));
  else
      lv_length:=av_index+1;
      lv_strOfIndex:=substr(lv_str,instr(lv_str,av_split,1,av_index)+length(av_split),instr(lv_str,av_split,1,lv_length)-instr(lv_str,av_split,1,av_index)-length(av_split));
  end if;
  return  lv_strOfIndex;
end Get_StrArrayStrOfIndex;