SYNOPSIS
char * SPI_gettype(TupleDesc rowdesc, int colnumber)
DESCRIPTION
SPI_gettype returns a copy of the data type 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 data type name of the specified column, or NULL on error. SPI_result is set to SPI_ERROR_NOATTRIBUTE on error.