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/opt/postgresql-9.6.10-201809281556/share/man/man3/
//opt/postgresql-9.6.10-201809281556/share/man/man3/SPI_getargcount.3
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.\"     Title: SPI_getargcount
.\"    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 "SPI_GETARGCOUNT" "3" "2018" "PostgreSQL 9.6.10" "PostgreSQL 9.6.10 Documentation"
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.SH "NAME"
SPI_getargcount \- return the number of arguments needed by a statement prepared by \fBSPI_prepare\fR
.SH "SYNOPSIS"
.sp
.nf
int SPI_getargcount(SPIPlanPtr \fIplan\fR)
.fi
.SH "DESCRIPTION"
.PP
\fBSPI_getargcount\fR
returns the number of arguments needed to execute a statement prepared by
\fBSPI_prepare\fR\&.
.SH "ARGUMENTS"
.PP
SPIPlanPtr \fIplan\fR
.RS 4
prepared statement (returned by
\fBSPI_prepare\fR)
.RE
.SH "RETURN VALUE"
.PP
The count of expected arguments for the
\fIplan\fR\&. If the
\fIplan\fR
is
NULL
or invalid,
\fISPI_result\fR
is set to
SPI_ERROR_ARGUMENT
and \-1 is returned\&.