Hi, I'm new in using BLOB. How will the insert for storing very large byte strings into a column of data type Blob.
On Mon, Jul 5, 2010 at 11:42 AM, silly sad <s...@bankir.ru> wrote: > On 07/05/10 09:57, wrote: > >> Hi, >> >> How can I store Byte strings into a postgresql database. >> Is there any special command to store it. How will be the sql query. >> > > there is only '\0' byte incapable to input-output. > so u have to have it escaped at all costs _AND NOTHING MORE_. > > "escaped" doesn't mean "prefixed with backslash" > ("backslash method" cause a zero-byte to pass SQL parser an to be actually > stored, BUT > the output will be corrupted, because of this zero-byte will be actually > output) > > You may use the BYTEA type > (similar to the TEXT but with different input-output) which effectively > escapes zero-byte and a lot of other completely harmless bytes as well > (probably to reach a better overhead) > > Or you may introduce a pair of your own escape rules. > > Unfortunately there are no way to influence The Pg Developers to get rid of > the nasty god damned CSTRING off the input/output operations. > > > -- > Sent via pgsql-sql mailing list (pgsql-sql@postgresql.org) > To make changes to your subscription: > http://www.postgresql.org/mailpref/pgsql-sql > -- Regards, ---------------------------------------------- Trinath Somanchi,