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/proc/212/root/opt/postgresql-13.1-202012021752/share/man/man3/

//proc/212/root/opt/postgresql-13.1-202012021752/share/man/man3/dblink_get_notify.3

'\" t .\" Title: dblink_get_notify .\" Author: The PostgreSQL Global Development Group .\" Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/> .\" Date: 2020 .\" Manual: PostgreSQL 13.1 Documentation .\" Source: PostgreSQL 13.1 .\" Language: English .\" .TH "DBLINK_GET_NOTIFY" "3" "2020" "PostgreSQL 13.1" "PostgreSQL 13.1 Documentation" .\" ----------------------------------------------------------------- .\" * Define some portability stuff .\" ----------------------------------------------------------------- .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ .\" http://bugs.debian.org/507673 .\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ .ie \n(.g .ds Aq \(aq .el .ds Aq ' .\" ----------------------------------------------------------------- .\" * set default formatting .\" ----------------------------------------------------------------- .\" disable hyphenation .nh .\" disable justification (adjust text to left margin only) .ad l .\" ----------------------------------------------------------------- .\" * MAIN CONTENT STARTS HERE * .\" ----------------------------------------------------------------- .SH "NAME" dblink_get_notify \- retrieve async notifications on a connection .SH "SYNOPSIS" .sp .nf dblink_get_notify() returns setof (notify_name text, be_pid int, extra text) dblink_get_notify(text connname) returns setof (notify_name text, be_pid int, extra text) .fi .SH "DESCRIPTION" .PP \fBdblink_get_notify\fR retrieves notifications on either the unnamed connection, or on a named connection if specified\&. To receive notifications via dblink, \fBLISTEN\fR must first be issued, using \fBdblink_exec\fR\&. For details see \fBLISTEN\fR(7) and \fBNOTIFY\fR(7)\&. .SH "ARGUMENTS" .PP \fIconnname\fR .RS 4 The name of a named connection to get notifications on\&. .RE .SH "RETURN VALUE" .PP Returns setof (notify_name text, be_pid int, extra text), or an empty set if none\&. .SH "EXAMPLES" .sp .if n \{\ .RS 4 .\} .nf SELECT dblink_exec(\*(AqLISTEN virtual\*(Aq); dblink_exec \-\-\-\-\-\-\-\-\-\-\-\-\- LISTEN (1 row) SELECT * FROM dblink_get_notify(); notify_name | be_pid | extra \-\-\-\-\-\-\-\-\-\-\-\-\-+\-\-\-\-\-\-\-\-+\-\-\-\-\-\-\- (0 rows) NOTIFY virtual; NOTIFY SELECT * FROM dblink_get_notify(); notify_name | be_pid | extra \-\-\-\-\-\-\-\-\-\-\-\-\-+\-\-\-\-\-\-\-\-+\-\-\-\-\-\-\- virtual | 1229 | (1 row) .fi .if n \{\ .RE .\}