Re: bit|varbit #, xor operator
От | Jim Nasby |
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Тема | Re: bit|varbit #, xor operator |
Дата | |
Msg-id | 53e94f95-fe3f-d238-128d-d8b2d3f2a762@BlueTreble.com обсуждение исходный текст |
Ответ на | Re: bit|varbit #, xor operator (Tom Lane <tgl@sss.pgh.pa.us>) |
Ответы |
Re: bit|varbit #, xor operator
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Список | pgsql-hackers |
On 10/16/16 3:13 PM, Tom Lane wrote: > As for counting bits in a bitstring, why do we have to make that an > operator at all? Using a function would decrease the stress involved > in choosing a name, and it's hard to believe that the requirement is > so common that we need to shave a few keystrokes. But if you must have > an operator there's not that much wrong with using prefix # for it. Fair enough. >> > Related to this I'd also like to add a boolean XOR operator as that's a >> > relatively common request/question. > We have boolean XOR; it's spelled "<>". I always forget about that... though, it doesn't work for boolean arrays. -- Jim Nasby, Data Architect, Blue Treble Consulting, Austin TX Experts in Analytics, Data Architecture and PostgreSQL Data in Trouble? Get it in Treble! http://BlueTreble.com 855-TREBLE2 (855-873-2532) mobile: 512-569-9461
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