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Contents
Preface

Virtuoso Functions Guide

Administration
Aggregate Functions
Array Manipulation
aref
aset
concat
concatenate
dvector
get_keyword
get_keyword_ucase
gvector_digit_sort
gvector_sort
isarray
make_array
position
rowvector_digit_sort
serialize
split_and_decode
tree_md5
vector
vector_concat
BPEL APIs
Backup
Compression
Cursor
Date & Time Manipulation
Debug
Dictionary Manipulation
Encoding & Decoding
File Manipulation
Free Text
Hashing / Cryptographic
LDAP
Locale
Mail
Miscellaneous
Number
Phrases
RDF data
Remote SQL Data Source
Replication
SOAP
SQL
String
Transaction
Type Mapping
UDDI
User Defined Types & The CLR
VAD
Virtuoso Java PL API
Virtuoso Server Extension Interface (VSEI)
Web & Internet
XML
XPATH & XQUERY

Functions Index

dvector

return an array of either long, float or double
array dvector ( elt1 , .... , elt-n );
array fvector ( elt1 , .... , elt-n );
array lvector ( elt1 , .... , elt-n );
Description

These functions are like vector but return an array of either long, float or double whereas vector returns a generic, untyped array.

Examples:
aref (lvector (1, 2), 1) = 1    is true.