'\" t
.\"     Title: SPI_gettypeid
.\"    Author: The PostgreSQL Global Development Group
.\" Generator: DocBook XSL Stylesheets vsnapshot <http://docbook.sf.net/>
.\"      Date: 2024
.\"    Manual: PostgreSQL 16.2 Documentation
.\"    Source: PostgreSQL 16.2
.\"  Language: English
.\"
.TH "SPI_GETTYPEID" "3" "2024" "PostgreSQL 16.2" "PostgreSQL 16.2 Documentation"
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.SH "NAME"
SPI_gettypeid \- return the data type OID of the specified column
.SH "SYNOPSIS"
.sp
.nf
Oid SPI_gettypeid(TupleDesc \fIrowdesc\fR, int \fIcolnumber\fR)
.fi
.SH "DESCRIPTION"
.PP
\fBSPI_gettypeid\fR
returns the
OID
of the data type of the specified column\&.
.SH "ARGUMENTS"
.PP
TupleDesc \fIrowdesc\fR
.RS 4
input row description
.RE
.PP
int \fIcolnumber\fR
.RS 4
column number (count starts at 1)
.RE
.SH "RETURN VALUE"
.PP
The
OID
of the data type of the specified column or
InvalidOid
on error\&. On error,
\fISPI_result\fR
is set to
SPI_ERROR_NOATTRIBUTE\&.