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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_error_message.3

'\" t .\" Title: dblink_error_message .\" 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_ERROR_MESSAGE" "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_error_message \- gets last error message on the named connection .SH "SYNOPSIS" .sp .nf dblink_error_message(text connname) returns text .fi .SH "DESCRIPTION" .PP \fBdblink_error_message\fR fetches the most recent remote error message for a given connection\&. .SH "ARGUMENTS" .PP \fIconnname\fR .RS 4 Name of the connection to use\&. .RE .SH "RETURN VALUE" .PP Returns last error message, or OK if there has been no error in this connection\&. .SH "NOTES" .PP When asynchronous queries are initiated by \fBdblink_send_query\fR, the error message associated with the connection might not get updated until the server\*(Aqs response message is consumed\&. This typically means that \fBdblink_is_busy\fR or \fBdblink_get_result\fR should be called prior to \fBdblink_error_message\fR, so that any error generated by the asynchronous query will be visible\&. .SH "EXAMPLES" .sp .if n \{\ .RS 4 .\} .nf SELECT dblink_error_message(\*(Aqdtest1\*(Aq); .fi .if n \{\ .RE .\}