Re: [GENERAL] guids / bytea and index use ?

2012-12-03 Thread Albe Laurenz
rahul143 wrote: > We are currently using a 32byte varchar for our primary keys. We tried to > reduce this down to 16 bytes but varchar didn’t seem to store this > correctly. I’d like to use bytea instead so we could use 16bytes, but are > indexes used properly ? Does anyone have any other suggestio

Re: [GENERAL] guids / bytea and index use ?

2005-05-20 Thread Neil Conway
Paul Newman wrote: We are currently using a 32byte varchar for our primary keys. We tried to reduce this down to 16 bytes but varchar didn't seem to store this correctly. In what way was it not stored "correctly"? The size limit should not significantly affect varchar behavior, other than bounding

Re: [GENERAL] GUIDs

2003-11-14 Thread David Wheeler
On Thursday, November 13, 2003, at 08:04 PM, Peter Eisentraut wrote: Use bytea. It stores bytes and allows the conversion into several output formats. bytea with the binary or the hex? And isn't it a bit of a waste to add the extra 4 bytes when I'll only ever need 16? Thanks, David -- David

Re: [GENERAL] GUIDs

2003-11-13 Thread Peter Eisentraut
David Wheeler writes: > It looks like the hex option would be the best option, but there's no > native hex format in PostgreSQL. Anyone have suggestions on what the > best approach might be? I can't convert it to a number, really, because > 128 bit numbers aren't too portable). Use bytea. It sto