Name
gz_compress — Compress data using gzip algorithm
Synopsis
gz_compress
(
|
in
str
varchar
); |
Description
The gz_compress returns its argument compressed with the gzip algorithm. The argument and return values are arbitrary strings, possibly including any 8 bit characters.
Parameters
str
The string containing data to be compressed.
Return Types
A string containing the compressed data.
Examples
Example 24.134. GZIP test 2
Just see how it compresses.
create procedure
gz_test_2 (in str varchar)
{
declare res any;
declare _out varchar;
declare _len integer;
result_names (_out, _len);
res := string_output ();
result (str, length (str));
str := gz_compress (str);
result ('binary', length (str));
gz_uncompress (str, res);
result (res, length (res));
}
SQL> gz_test_2 ('f00f f00f m0053 2 w3r h4x0r7 ch002 00000000000000000000000');
_out _len
VARCHAR INTEGER
_______________________________________________________________________________
f00f f00f m0053 5 w3r h4x0r7 ch002 00000000000000000000000 58
binary 43
f00f f00f m0053 5 w3r h4x0r7 ch002 00000000000000000000000 58
3 Rows. -- 10 msec.
SQL>