SPI_gettype
Name
SPI_gettype -- return the data type name of the specified column
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.