Re: request for sql3 compliance for the update command
От | Peter Eisentraut |
---|---|
Тема | Re: request for sql3 compliance for the update command |
Дата | |
Msg-id | Pine.LNX.4.44.0302191634380.1714-100000@peter.localdomain обсуждение исходный текст |
Ответ на | request for sql3 compliance for the update command (Dave Cramer <dave@fastcrypt.com>) |
Ответы |
Re: request for sql3 compliance for the update command
Re: request for sql3 compliance for the update command |
Список | pgsql-hackers |
Dave Cramer writes: > update table set (col...) = ( val...) > It would appear that this is SQL3 compliant > > <set clause> ::= > <update target> <equals operator> <row value designator> > > <update target> ::= > <object column> > | <left paren> <object column list> <right paren> That's not what my copy says. <set clause list> ::= <set clause> [ { <comma> <set clause> }... ] <set clause> ::= <update target> <equals operator> <update source> | <mutated set clause><equals operator> <update source> <update target> ::= <object column> | ROW | <object column> <left bracket or trigraph> <simple value specification> <right bracket or trigraph> <object column> ::= <column name> <mutated set clause> ::= <mutated target> <period> <method name> <mutated target> ::= <object column> | <mutated set clause> <update source> ::= <value expression> | <contextually typed value specification> (And I'm pretty sure I have the right version of the standard.) -- Peter Eisentraut peter_e@gmx.net
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