SPI_gettype
SPI_gettype — return the data type name of the specified column
Synopsis
char * SPI_gettype(TupleDescrowdesc
, intcolnumber
)
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.