SPI_getvalue
Nome
SPI_getvalue -- return the string value of the specified column
Sinopse
char * SPI_getvalue(HeapTuple row, TupleDesc rowdesc, int colnumber)
Descrição
SPI_getvalue
returns the string representation of the value of the specified column.
The result is returned in memory allocated using palloc
. (You can use pfree
to release the memory when you don't need it anymore.)
Argumentos
- HeapTuple row
-
input row to be examined
- TupleDesc rowdesc
-
input row description
- int colnumber
-
column number (count starts at 1)
Valor retornado
Column value, or NULL if the column is null, colnumber is out of range (SPI_result is set to SPI_ERROR_NOATTRIBUTE), or no no output function available (SPI_result is set to SPI_ERROR_NOOUTFUNC).