PostgreSQL: Documentation: 10: SPI

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SPI_fname
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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.

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