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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