====== pears.BlobstoreRelocate ======
<WRAP center round info>
Generated schema reference. Regenerate this page from the SQL unload; keep hand-maintained business notes in the narrative namespace.
</WRAP>

===== Original SQL =====
<code sql>
COMMENT TO PRESERVE FORMAT ON PROCEDURE "pears"."BlobstoreRelocate" IS 
{create function BlobstoreRelocate 

/* Application Maintained Function / Procedure - DO NOT EDIT*/

(in blobclass char(1),in blobid char(20))
returns integer
not deterministic
begin
  declare z integer;
  declare xpath char(250);
  declare xfolder char(250);
  declare bAlreadyExists integer;
  select 1,trim(externalfilepath) into bAlreadyExists,xpath from blobstore where class = blobclass and id = blobid;
  if bAlreadyExists is null then
    return-1 -- Row not found
  end if;
  set xfolder=BlobStoreExtFolder(null);
  if xfolder is null and isnull(xpath,'') = '' then
    return 0 -- Nothing to do
  end if;
  if xfolder is not null and isnull(xpath,'') <> '' then
    return 0 -- Nothing to do
  end if;
  set z=BlobstoreRead(blobclass,blobid,null);
  if z is null then
    return-1 -- Row not found (redundant check)
  else
    return BlobStoreWrite(blobclass,blobid,z,null)
  end if
end
}
</code>