DBPLUS_TREMOVE(3) 1 DBPLUS_TREMOVE(3)dbplus_tremove - Remove tuple and return new current tupleSYNOPSIS
int dbplus_tremove (resource $relation, array $tuple, [array &$current])
DESCRIPTION dbplus_tremove(3) removes $tuple from $relation if it perfectly matches a tuple within the relation. $current, if given, will contain the
data of the new current tuple after calling dbplus_tremove(3).
PARAMETERS
o $relation
- A relation opened by dbplus_open(3).
o $tuple
-
o $current
-
RETURN VALUES NOTES
Warning
This function is EXPERIMENTAL. The behaviour of this function, its name, and surrounding documentation may change without notice in
a future release of PHP. This function should be used at your own risk.
PHP Documentation Group DBPLUS_TREMOVE(3)
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DR::Tarantool::Tuple(3pm) User Contributed Perl Documentation DR::Tarantool::Tuple(3pm)NAME
DR::Tarantool::Tuple - tuple container for DR::Tarantool
SYNOPSIS
my $tuple = new DR::Tarantool::Tuple([ 1, 2, 3]);
my $tuple = new DR::Tarantool::Tuple([ 1, 2, 3], $space);
my $tuple = unpack DR::Tarantool::Tuple([ 1, 2, 3], $space);
$tuple->next( $other_tuple );
$f = $tuple->raw(0);
$f = $tuple->name_field;
DESCRIPTION
Tuple contains normalized (unpacked) fields. You can access the fields by their indexes (see raw function) or by their names (if they are
described in space).
Each tuple can contain references to next tuple and iterator. So If You extract more than one tuple, You can access them.
METHODS
new
Constructor.
my $t = DR::Tarantool::Tuple->new([1, 2, 3]);
my $t = DR::Tarantool::Tuple->new([1, 2, 3], $space);
unpack
Constructor.
my $t = DR::Tarantool::Tuple->unpack([1, 2, 3], $space);
raw
Returns raw data from tuple.
my $array = $tuple->raw;
my $field = $tuple->raw(0);
next
Appends or returns the following tuple.
my $next_tuple = $tuple->next;
iter
Returns iterator linked with the tuple.
my $iterator = $tuple->iter;
my $iterator = $tuple->iter('MyTupleClass', 'new');
while(my $t = $iterator->next) {
# the first value of $t and $tuple are the same
...
}
Arguments
package (optional)
method (optional, default: new)
if 'package' and 'method' are present, $iterator->next method will construct objects using "$package->$method( $next_tuple )"
AUTOLOAD
Each tuple autoloads fields by their names that defined in space.
my $name = $tuple->password; # space contains field with name 'password'
my $name = $tuple->login;
...
tuple iterators
new
my $iter = DR::Tarantool::Tuple::Iterator->new( $tuple );
my $iter = $tuple->iter; # the same
Arguments
tuple
package (optional)
method (optional, default: new)
if 'package' and 'method' are present, next method will construct objects using "$package->$method( $next_tuple )"
count
Returns count of tuples in the iterator.
my $count = $iter->count;
reset
Resets iterator (see next method).
$iter->reset;
next
Returns next element from the iterator.
my $iter = $tuple->iter;
while(my $tuple = $iter->next) {
...
}
COPYRIGHT AND LICENSE
Copyright (C) 2011 Dmitry E. Oboukhov <unera@debian.org>
Copyright (C) 2011 Roman V. Nikolaev <rshadow@rambler.ru>
This program is free software, you can redistribute it and/or
modify it under the terms of the Artistic License.
VCS
The project is placed git repo on github: https://github.com/unera/dr-tarantool/ <https://github.com/unera/dr-tarantool/>.
perl v5.14.2 2012-06-06 DR::Tarantool::Tuple(3pm)