Unsupported versions: 7.3 / 7.2 / 7.1
This documentation is for an unsupported version of PostgreSQL.
You may want to view the same page for the current version, or one of the other supported versions listed above instead.

SPI_getvalue

Name

SPI_getvalue -- Returns the string value of the specified attribute

Synopsis

SPI_getvalue(tuple, tupdesc, fnumber)

Inputs

HeapTuple tuple

Input tuple to be examined

TupleDesc tupdesc

Input tuple description

int fnumber

Attribute number

Outputs

char *

Attribute value or NULL if

attribute is NULL
fnumber is out of range (SPI_result set to SPI_ERROR_NOATTRIBUTE)
no output function available (SPI_result set to SPI_ERROR_NOOUTFUNC)

Description

SPI_getvalue returns an external (string) representation of the value of the specified attribute.

Usage

Attribute numbers are 1 based.

Algorithm

The result is returned as a palloc'd string. (Use pfree() to release the string when done with it.)