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/opt/postgresql-9.6.10-201809281556/share/man/man3/

//opt/postgresql-9.6.10-201809281556/share/man/man3/dblink_is_busy.3

'\" t .\" Title: dblink_is_busy .\" Author: The PostgreSQL Global Development Group .\" Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/> .\" Date: 2018 .\" Manual: PostgreSQL 9.6.10 Documentation .\" Source: PostgreSQL 9.6.10 .\" Language: English .\" .TH "DBLINK_IS_BUSY" "3" "2018" "PostgreSQL 9.6.10" "PostgreSQL 9.6.10 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_is_busy \- checks if connection is busy with an async query .SH "SYNOPSIS" .sp .nf dblink_is_busy(text connname) returns int .fi .SH "DESCRIPTION" .PP \fBdblink_is_busy\fR tests whether an async query is in progress\&. .SH "ARGUMENTS" .PP \fIconnname\fR .RS 4 Name of the connection to check\&. .RE .SH "RETURN VALUE" .PP Returns 1 if connection is busy, 0 if it is not busy\&. If this function returns 0, it is guaranteed that \fBdblink_get_result\fR will not block\&. .SH "EXAMPLES" .sp .if n \{\ .RS 4 .\} .nf SELECT dblink_is_busy(\*(Aqdtest1\*(Aq); .fi .if n \{\ .RE .\}