47.2. Interface Support Functions

SPI_fname - determine the column name for the specified column number
SPI_fnumber - determine the column number for the specified column name
SPI_getvalue - return the string value of the specified column
SPI_getbinval - return the binary value of the specified column
SPI_gettype - return the data type name of the specified column
SPI_gettypeid - return the data type OID of the specified column
SPI_getrelname - return the name of the specified relation
SPI_getnspname - return the namespace of the specified relation
SPI_result_code_string - return error code as string

The functions described here provide an interface for extracting information from result sets returned by SPI_execute and other SPI functions.

All functions described in this section can be used by both connected and unconnected C functions.