This is fixed in the current CVS tree. > Billy G. Allie ([EMAIL PROTECTED]) reports a bug with a severity of 2 > The lower the number the more severe it is. > > Short Description > Can't insert a value of 0 (zero) into a Bytea type. > > Long Description > It does not zeem possible to insert a value of zero (0) into a bytea type. Also, >using '\134' (the octal code for a backslash) causes byteain() to generate an error >message. > > As a side issue, how can one tell a backslash followed by 3 digits (four bytes of >data) from an encoded byte of data? It seems to me that byteaout() should always >output an octal escape sequence per byte, even if the character is printable. That >way the result is unambiguous in meaning (even if it is wasteful of bytes). > > Sample Code > bga=# select version(); > version > ----------------------------------------------------------- > PostgreSQL 7.1.3 on i586-sco-sysv5uw7.1.1, compiled by cc > (1 row) > bga=# create table test6 (a bytea); > CREATE > bga=# insert into test6 values('\001\002\354ab\000de\004'); > INSERT 163734 1 > bga=# select * from test6; > a > ---------------- > \001\002\354ab > (1 row) > > Note: It is possible to workaround (i.e. fake out postgresSQL) by inserting a >backslash followsd by 3 zeros (a total of 4 bytes) into the bytea type. For example: > > bga=# insert into test6 values('\001\002\354ab\\000de\004'); > INSERT 163735 1 > bga=# select * from test6; > a > -------------------------- > \001\002\354ab > \001\002\354ab\000de\004 > (2 rows) > > This also illustrates another problem with bytea types. How does one tell the >difference between a backslash followed by 3 digits (four bytes of data) for an >encoded (single) byte of data? > > The problem with using '\134' as input to a bytea field is illustrated here: > > bga=# insert into test6 values('\134'); > ERROR: Bad input string for type bytea > bga=# > > > No file was uploaded with this report > > > ---------------------------(end of broadcast)--------------------------- > TIP 5: Have you checked our extensive FAQ? > > http://www.postgresql.org/users-lounge/docs/faq.html > -- Bruce Momjian | http://candle.pha.pa.us [EMAIL PROTECTED] | (610) 853-3000 + If your life is a hard drive, | 830 Blythe Avenue + Christ can be your backup. | Drexel Hill, Pennsylvania 19026 ---------------------------(end of broadcast)--------------------------- TIP 3: if posting/reading through Usenet, please send an appropriate subscribe-nomail command to [EMAIL PROTECTED] so that your message can get through to the mailing list cleanly