Function valueTruth

src/bin/pgbench/pgbench.c:1843–1861

* Return true or false from an expression for conditional purposes. * Non zero numerical values are true, zero and NULL are false. */

 * Non zero numerical values are true, zero and NULL are false.
 */
static bool
valueTruth(PgBenchValue *pval)
{
	switch (pval->type)
	{
		case PGBT_NULL:
			return false;
		case PGBT_BOOLEAN:
			return pval->u.bval;
		case PGBT_INT:
			return pval->u.ival != 0;
		case PGBT_DOUBLE:
			return pval->u.dval != 0.0;
		default:
			/* internal error, unexpected type */
			Assert(0);
			return false;
	}
}

/* get a value as an int, tell if there is a problem */
static bool