SPI_getvalueNameSPI_getvalue -- Returns the string value of the specified attribute SynopsisSPI_getvalue(tuple, tupdesc, fnumber) Inputs- HeapTuple tuple
Input tuple to be examined - TupleDesc tupdesc
Input tuple description - int fnumber
Attribute number
Outputs- char *
Attribute value or NULL if
| attribute is NULL | | fnumber is out of range
(SPI_result set to
SPI_ERROR_NOATTRIBUTE) | | no output function available
(SPI_result set to
SPI_ERROR_NOOUTFUNC) |
DescriptionSPI_getvalue
returns an external (string) representation of the value of the specified attribute. UsageAttribute numbers are 1 based. AlgorithmThe result is returned as a palloc'd string.
(Use pfree() to release the string when done with it.) |
