# 22. Virtuoso Functions Guide - make_string

Chapter Contents | Prev | Next
Keyword Search:
www.openlinksw.com
docs.openlinksw.com
Book Home
Contents
Preface
Virtuoso Functions Guide
Administration
Aggregate Functions
Array Manipulation
BPEL APIs
Backup
Compression
Cursor
Date & Time Manipulation
Debug
Dictionary Manipulation
Encoding & Decoding
File Manipulation
Free Text
Hashing / Cryptographic
LDAP
Locale
Mail
Miscellaneous
Number
Remote SQL Data Source
Replication
SOAP
SQL
String
ascii
atoi
blob_to_string
blob_to_string_outpu...
chr
initcap
isblob
isstring
lcase
left
length
locate
ltrim
make_string
regexp_instr
regexp_like
regexp_match
regexp_parse
regexp_replace
regexp_substr
repeat
replace
right
rtrim
search_excerpt
serialize
space
split_and_decode
sprintf
strcasestr
strchr
string_output
string_output_flush
string_output_gz_com...
string_output_string
string_to_file
strrchr
strstr
subseq
substring
tmp_file_name
trim
ucase
upper
Transaction
Type Mapping
UDDI
User Defined Types & The CLR
Virtuoso Java PL API
Virtuoso Server Extension Interface (VSEI)
Web Server & Internet
XML
XPATH & XQUERY
Functions Index

## make_string

make a string
make_string (in count integer);
Parameters
count – Length of the string to be generated.
Return Values

A string with defined length is returned.

Description

make_string returns a new string of length count, filled with binary zeros.

If count is zero, an empty string '' is returned.

Examples
Using make_string and aref

Make a string and fill it with character sequence containing the alphabet upper case characters from A to Z.

    SQL> create procedure
    alphabet_string ()
    {
      declare _inx integer;
      declare _str varchar;
      _str := make_string (26);

      while (_inx < 26)
        {
          aset (_str, _inx, _inx + 65);
          _inx := _inx + 1;
        }
      return (_str);
    }
    ;

    Done. -- 6 msec.
    SQL> select alphabet_string ();
    callret
    VARCHAR NOT NULL
    _______________________________________________________________________________

    ABCDEFGHIJKLMNOPQRSTUVWXYZ

    1 Rows. -- 4 msec.

See Also

vector(), aref, aset