php $conn = pg_pconnect("dbname=foo"); pg_query($conn, "create table bar (a int4, b char(16), d float8
签名字符INT1'B'无符号字符INT1“在”Py_UNICODEUnicode字符2(见注)'H'签署简称INT2'H'无符号短INT2'一世'签名intINT2'一世'无符号整数long2'L'长签字INT4