SPI_gettype
Name
SPI_gettype -- return the data type name of the specified column
Synopsis
char * SPI_gettype(TupleDesc rowdesc, int colnumber)
描述
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.)
参数
- TupleDesc rowdesc
input row description
- int colnumber
column number (count starts at 1)
返回值
The data type name of the specified column, or
NULL on error. SPI_result is
set to SPI_ERROR_NOATTRIBUTE on error.