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.\" ========================================================================
.\"
.IX Title "DR::Tarantool::CoroClient 3pm"
.TH DR::Tarantool::CoroClient 3pm "2019-10-07" "perl v5.30.0" "User Contributed Perl Documentation"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l
.nh
.SH "NAME"
DR::Tarantool::CoroClient \- an asynchronous coro driver for
Tarantool <http://tarantool.org>
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 6
\&    use DR::Tarantool::CoroClient;
\&    use Coro;
\&    my $client = DR::Tarantool::CoroClient\->connect(
\&        port    => $port,
\&        spaces  => $spaces;
\&    );
\&
\&    my @res;
\&    for (1 .. 100) {
\&        async {
\&            push @res => $client\->select(space_name => $_);
\&        }
\&    }
\&    cede while @res < 100;
.Ve
.SH "METHODS"
.IX Header "METHODS"
.SS "connect"
.IX Subsection "connect"
Connects to Tarantool.
.PP
\fIArguments\fR
.IX Subsection "Arguments"
.PP
The same as \*(L"connect\*(R" in DR::Tarantool::AsyncClient, excluding the callback.
.PP
Returns a connection handle or croaks an error.
.PP
\fIAdditional arguments\fR
.IX Subsection "Additional arguments"
.IP "raise_error" 4
.IX Item "raise_error"
If \fBtrue\fR (default behaviour) the driver throws an exception for each
server error.
.SS "ping"
.IX Subsection "ping"
The same as \*(L"ping\*(R" in DR::Tarantool::AsyncClient, excluding the callback.
.PP
Returns \fBtrue\fR on success, \fBfalse\fR on error.
.SS "insert"
.IX Subsection "insert"
The same as \*(L"insert\*(R" in DR::Tarantool::AsyncClient, excluding the callback.
.PP
Returns the inserted tuple or undef.
Croaks an error if insert failed (\fBraise_error\fR must be set).
.SS "select"
.IX Subsection "select"
The same as \*(L"select\*(R" in DR::Tarantool::AsyncClient, excluding the callback.
.PP
Returns tuple or tuples that match selection criteria, or undef
if no matching tuples were found.
Croaks an error if an error occurred (provided \fBraise_error\fR is set).
.SS "update"
.IX Subsection "update"
The same as \*(L"update\*(R" in DR::Tarantool::AsyncClient, excluding the callback.
.PP
Returns the new value of the tuple.
Croaks an error if update failed (provided \fBraise_error\fR is set).
.SS "delete"
.IX Subsection "delete"
The same as \*(L"delete\*(R" in DR::Tarantool::AsyncClient, excluding the callback.
.PP
Returns the deleted tuple, or undef.
Croaks error if an error occurred (provided \fBraise_error\fR is set).
.SS "call_lua"
.IX Subsection "call_lua"
The same as \*(L"call_lua\*(R" in DR::Tarantool::AsyncClient, excluding the callback.
.PP
Returns a tuple or tuples returned by the called procedure.
Croaks an error if an error occurred (provided \fBraise_error\fR is set).