---
title: "SPI_gettypeid"
id: spi-spi-gettypeid
pg_version: "20devel"
---
# SPI_gettypeid — return the data type OID of the specified column
## Synopsis
```
Oid SPI_gettypeid(TupleDesc rowdesc, int colnumber)
```
## Description
`SPI_gettypeid` returns the OID of the data type of the specified column.
## Arguments
**`TupleDesc rowdesc`**
input row description **`int colnumber`**
column number (count starts at 1)
## Return Value
The OID of the data type of the specified column or `InvalidOid` on error. On error, `SPI_result` is set to `SPI_ERROR_NOATTRIBUTE`.