Function DatumGetBool

src/include/postgres.h:484–484

* DatumGetBool * Returns boolean value of a datum. * * Note: any nonzero value will be considered true. */

 * Note: any nonzero value will be considered true.
 */
static inline bool DatumGetBool(Datum d) { return (bool)(d != 0); }
static inline Datum BoolGetDatum(bool b) { return (b ? 1 : 0); } 

static inline char DatumGetChar(Datum d) { return (char) d; }