SPI_gettypeid
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## SPI_gettypeid

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.

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