Re: The "Why Postgres not MySQL" bullet list
От | Bruce Momjian |
---|---|
Тема | Re: The "Why Postgres not MySQL" bullet list |
Дата | |
Msg-id | 200309010202.h8122cA26821@candle.pha.pa.us обсуждение исходный текст |
Ответ на | Re: The "Why Postgres not MySQL" bullet list (Rod Taylor <rbt@rbt.ca>) |
Ответы |
Re: The "Why Postgres not MySQL" bullet list
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Список | pgsql-advocacy |
Rod Taylor wrote: -- Start of PGP signed section. > > > Would you like a hand in tracing down quotes where spec in these areas? > > > > Yup. I'm interested in facts not FUD ;-). > > -- style comments > > Notice that there is nothing mentioned in section 5.2 about an > alternative to treating --[{-}...] as a comment. > > Side note: > A PostgreSQL gotcha includes nested block comments /* */, which > the spec does not support. Consider: > > SELECT 'TEST' || /* My field goes with this "/*" */ '*/'; > > PostgreSQL believes the '; to be part of a string. Spec says > this is a complete statement. > > > Section 5.2 > > Format: > > <simple comment> ::= <simple comment introducer> [ <comment > character>... ] <newline> > > <simple comment introducer> ::= <minus sign><minus sign>[<minus > sign>...] > <comment character> ::= <nonquote character> | <quote> > > > Syntax Rules: > > 18) SQL text containing one or more instances of <comment> is equivalent > to the same SQL text with the <comment> replaced with <newline>. I thought a newer SQL spec allows C comments --- am I remembering correctly? -- Bruce Momjian | http://candle.pha.pa.us pgman@candle.pha.pa.us | (610) 359-1001 + If your life is a hard drive, | 13 Roberts Road + Christ can be your backup. | Newtown Square, Pennsylvania 19073
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