A binary format specification of PostgreSQL built-in types Numeric smallint - word16 integer - word32 bigint - word64 decimal - TODO numeric - TODO real - float32 double precision - float64 Monetary Character char - word8 text, varchar - text[n] Binary bytea - bytes[n] Date/Times TODO Boolean bool - word8(1 for True, 0 for False) Enum TODO Geometric Network Address Text Search UUID XML JSON Array Composite Range Oid