如何在Oracle中将CLOB转换为UTF8 BLOB
我需要在Oracle中将数据从CLOB转换为UTF8编码的BLOB。如何操作?可以使用以下功能:如何在Oracle中将CLOB转换为UTF8 BLOB,oracle,plsql,Oracle,Plsql,我需要在Oracle中将数据从CLOB转换为UTF8编码的BLOB。如何操作?可以使用以下功能: CREATE OR REPLACE FUNCTION clob_to_blob(src_clob CLOB) RETURN BLOB IS tgt_blob BLOB; amount INTEGER := DBMS_LOB.lobmaxsize; dest_offset INTEGER := 1; src_offset INTEGER := 1; blob_
CREATE OR REPLACE FUNCTION clob_to_blob(src_clob CLOB) RETURN BLOB IS
tgt_blob BLOB;
amount INTEGER := DBMS_LOB.lobmaxsize;
dest_offset INTEGER := 1;
src_offset INTEGER := 1;
blob_csid INTEGER := nls_charset_id('UTF8');
lang_context INTEGER := DBMS_LOB.default_lang_ctx;
warning INTEGER := 0;
begin
if src_clob is null then
return null;
end if;
DBMS_LOB.CreateTemporary(tgt_blob, true);
DBMS_LOB.ConvertToBlob(tgt_blob, src_clob, amount, dest_offset, src_offset, blob_csid, lang_context, warning);
return tgt_blob;
end clob_to_blob;
用法
可以使用以下功能:
CREATE OR REPLACE FUNCTION clob_to_blob(src_clob CLOB) RETURN BLOB IS
tgt_blob BLOB;
amount INTEGER := DBMS_LOB.lobmaxsize;
dest_offset INTEGER := 1;
src_offset INTEGER := 1;
blob_csid INTEGER := nls_charset_id('UTF8');
lang_context INTEGER := DBMS_LOB.default_lang_ctx;
warning INTEGER := 0;
begin
if src_clob is null then
return null;
end if;
DBMS_LOB.CreateTemporary(tgt_blob, true);
DBMS_LOB.ConvertToBlob(tgt_blob, src_clob, amount, dest_offset, src_offset, blob_csid, lang_context, warning);
return tgt_blob;
end clob_to_blob;
用法
kolobok,CLOB-to-BLOB转换我使用了上述函数,但未完全转换,文件已损坏kolobok,CLOB-to-BLOB转换我使用了上述函数,但未完全转换,文件已损坏kolobok