'\" t
.\"     Title: SPI_cursor_fetch
.\"    Author: The PostgreSQL Global Development Group
.\" Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/>
.\"      Date: 2021
.\"    Manual: PostgreSQL 14.1 Documentation
.\"    Source: PostgreSQL 14.1
.\"  Language: English
.\"
.TH "SPI_CURSOR_FETCH" "3" "2021" "PostgreSQL 14.1" "PostgreSQL 14.1 Documentation"
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.SH "NAME"
SPI_cursor_fetch \- fetch some rows from a cursor
.SH "SYNOPSIS"
.sp
.nf
void SPI_cursor_fetch(Portal \fIportal\fR, bool \fIforward\fR, long \fIcount\fR)
.fi
.SH "DESCRIPTION"
.PP
\fBSPI_cursor_fetch\fR
fetches some rows from a cursor\&. This is equivalent to a subset of the SQL command
\fBFETCH\fR
(see
\fBSPI_scroll_cursor_fetch\fR
for more functionality)\&.
.SH "ARGUMENTS"
.PP
Portal \fIportal\fR
.RS 4
portal containing the cursor
.RE
.PP
bool \fIforward\fR
.RS 4
true for fetch forward, false for fetch backward
.RE
.PP
long \fIcount\fR
.RS 4
maximum number of rows to fetch
.RE
.SH "RETURN VALUE"
.PP
\fISPI_processed\fR
and
\fISPI_tuptable\fR
are set as in
\fBSPI_execute\fR
if successful\&.
.SH "NOTES"
.PP
Fetching backward may fail if the cursor\*(Aqs plan was not created with the
CURSOR_OPT_SCROLL
option\&.