SPI_fname

SPI_fname — determine the column name for the specified column number

Synopsis

char * SPI_fname(TupleDesc rowdesc, int colnumber)

Description

SPI_fname returns a copy of the column name of the specified column. (You can use pfree to release the copy of the name when you don't need it anymore.)

Arguments

TupleDesc rowdesc : input row description

int colnumber : column number (count starts at 1)

Return Value

The column name; NULL if colnumber is out of range. SPI_result set to SPI_ERROR_NOATTRIBUTE on error.