Re: [HACKERS] Cached plans and statement generalization
От
Serge Rielau
Тема
Re: [HACKERS] Cached plans and statement generalization
Дата
Msg-id
C0064A85-7CE9-44E6-B14F-98E541B328FD@rielau.com
Ответ на
Re: [HACKERS] Cached plans and statement generalization (Konstantin Knizhnik)
Список
Дерево обсуждения
[HACKERS] Cached plans and statement generalization Konstantin Knizhnik <k.knizhnik@postgrespro.ru>
Re: [HACKERS] Cached plans and statement generalization Andres Freund <andres@anarazel.de>
Re: [HACKERS] Cached plans and statement generalization Konstantin Knizhnik <k.knizhnik@postgrespro.ru>
Re: [HACKERS] Cached plans and statement generalization "Tsunakawa, Takayuki" <tsunakawa.takay@jp.fujitsu.com>
Re: [HACKERS] Cached plans and statement generalization Konstantin Knizhnik <k.knizhnik@postgrespro.ru>
Re: [HACKERS] Cached plans and statement generalization Konstantin Knizhnik <k.knizhnik@postgrespro.ru>
Re: [HACKERS] Cached plans and statement generalization Pavel Stehule <pavel.stehule@gmail.com>
Re: [HACKERS] Cached plans and statement generalization Konstantin Knizhnik <k.knizhnik@postgrespro.ru>
Re: [HACKERS] Cached plans and statement generalization Robert Haas <robertmhaas@gmail.com>
Re: [HACKERS] Cached plans and statement generalization Konstantin Knizhnik <k.knizhnik@postgrespro.ru>
Re: [HACKERS] Cached plans and statement generalization Robert Haas <robertmhaas@gmail.com>
Re: [HACKERS] Cached plans and statement generalization Konstantin Knizhnik <k.knizhnik@postgrespro.ru>
Re: [HACKERS] Cached plans and statement generalization Bruce Momjian <bruce@momjian.us>
Re: [HACKERS] Cached plans and statement generalization Konstantin Knizhnik <k.knizhnik@postgrespro.ru>
Re: [HACKERS] Cached plans and statement generalization Bruce Momjian <bruce@momjian.us>
Re: [HACKERS] Cached plans and statement generalization Konstantin Knizhnik <k.knizhnik@postgrespro.ru>
Re: [HACKERS] Cached plans and statement generalization Bruce Momjian <bruce@momjian.us>
Re: [HACKERS] Cached plans and statement generalization Konstantin Knizhnik <k.knizhnik@postgrespro.ru>
Re: [HACKERS] Cached plans and statement generalization Bruce Momjian <bruce@momjian.us>
Re: [HACKERS] Cached plans and statement generalization Andres Freund <andres@anarazel.de>
Re: [HACKERS] Cached plans and statement generalization Douglas Doole <dougdoole@gmail.com>
Re: [HACKERS] Cached plans and statement generalization Bruce Momjian <bruce@momjian.us>
Re: [HACKERS] Cached plans and statement generalization Tom Lane <tgl@sss.pgh.pa.us>
Re: [HACKERS] Cached plans and statement generalization Konstantin Knizhnik <k.knizhnik@postgrespro.ru>
Re: [HACKERS] Cached plans and statement generalization Andres Freund <andres@anarazel.de>
Re: [HACKERS] Cached plans and statement generalization Konstantin Knizhnik <k.knizhnik@postgrespro.ru>
Re: [HACKERS] Cached plans and statement generalization Andres Freund <andres@anarazel.de>
Re: [HACKERS] Cached plans and statement generalization Konstantin Knizhnik <k.knizhnik@postgrespro.ru>
Re: [HACKERS] Cached plans and statement generalization Thomas Munro <thomas.munro@enterprisedb.com>
Re: [HACKERS] Cached plans and statement generalization Konstantin Knizhnik <k.knizhnik@postgrespro.ru>
Re: [HACKERS] Cached plans and statement generalization Konstantin Knizhnik <k.knizhnik@postgrespro.ru>
Re: [HACKERS] Cached plans and statement generalization Michael Paquier <michael.paquier@gmail.com>
RE: [HACKERS] Cached plans and statement generalization "Tsunakawa, Takayuki" <tsunakawa.takay@jp.fujitsu.com>
Re: [HACKERS] Cached plans and statement generalization Michael Paquier <michael.paquier@gmail.com>
Re: [HACKERS] Cached plans and statement generalization Konstantin Knizhnik <k.knizhnik@postgrespro.ru>
Re: [HACKERS] Cached plans and statement generalization Stephen Frost <sfrost@snowman.net>
Re: [HACKERS] Cached plans and statement generalization Thomas Munro <thomas.munro@enterprisedb.com>
Re: [HACKERS] Cached plans and statement generalization Konstantin Knizhnik <k.knizhnik@postgrespro.ru>
RE: [HACKERS] Cached plans and statement generalization "Yamaji, Ryo" <yamaji.ryo@jp.fujitsu.com>
Re: [HACKERS] Cached plans and statement generalization Konstantin Knizhnik <k.knizhnik@postgrespro.ru>
RE: [HACKERS] Cached plans and statement generalization "Yamaji, Ryo" <yamaji.ryo@jp.fujitsu.com>
Re: [HACKERS] Cached plans and statement generalization Konstantin Knizhnik <k.knizhnik@postgrespro.ru>
RE: [HACKERS] Cached plans and statement generalization "Yamaji, Ryo" <yamaji.ryo@jp.fujitsu.com>
Re: [HACKERS] Cached plans and statement generalization Konstantin Knizhnik <k.knizhnik@postgrespro.ru>
RE: [HACKERS] Cached plans and statement generalization "Yamaji, Ryo" <yamaji.ryo@jp.fujitsu.com>
Re: [HACKERS] Cached plans and statement generalization Konstantin Knizhnik <k.knizhnik@postgrespro.ru>
RE: [HACKERS] Cached plans and statement generalization "Yamaji, Ryo" <yamaji.ryo@jp.fujitsu.com>
Re: [HACKERS] Cached plans and statement generalization Dmitry Dolgov <9erthalion6@gmail.com>
RE: [HACKERS] Cached plans and statement generalization "Yamaji, Ryo" <yamaji.ryo@jp.fujitsu.com>
Re: [HACKERS] Cached plans and statement generalization Dmitry Dolgov <9erthalion6@gmail.com>
RE: [HACKERS] Cached plans and statement generalization "Nagaura, Ryohei" <nagaura.ryohei@jp.fujitsu.com>
Re: [HACKERS] Cached plans and statement generalization Konstantin Knizhnik <k.knizhnik@postgrespro.ru>
RE: [HACKERS] Cached plans and statement generalization "Yamaji, Ryo" <yamaji.ryo@jp.fujitsu.com>
Re: [HACKERS] Cached plans and statement generalization Konstantin Knizhnik <k.knizhnik@postgrespro.ru>
Re: [HACKERS] Cached plans and statement generalization Konstantin Knizhnik <k.knizhnik@postgrespro.ru>
Re: [HACKERS] Cached plans and statement generalization Konstantin Knizhnik <k.knizhnik@postgrespro.ru>
Re: [HACKERS] Cached plans and statement generalization Thomas Munro <thomas.munro@gmail.com>
Re: [HACKERS] Cached plans and statement generalization Konstantin Knizhnik <k.knizhnik@postgrespro.ru>
Re: [HACKERS] Cached plans and statement generalization Thomas Munro <thomas.munro@gmail.com>
Re: [HACKERS] Cached plans and statement generalization Konstantin Knizhnik <k.knizhnik@postgrespro.ru>
Re: [HACKERS] Cached plans and statement generalization Thomas Munro <thomas.munro@gmail.com>
Re: [HACKERS] Cached plans and statement generalization Konstantin Knizhnik <k.knizhnik@postgrespro.ru>
Re: [HACKERS] Cached plans and statement generalization Heikki Linnakangas <hlinnaka@iki.fi>
Re: [HACKERS] Cached plans and statement generalization Konstantin Knizhnik <k.knizhnik@postgrespro.ru>
Re: [HACKERS] Cached plans and statement generalization Konstantin Knizhnik <k.knizhnik@postgrespro.ru>
Re: [HACKERS] Cached plans and statement generalization Daniel Migowski <dmigowski@ikoffice.de>
Re: [HACKERS] Cached plans and statement generalization Konstantin Knizhnik <k.knizhnik@postgrespro.ru>
Re: [HACKERS] Cached plans and statement generalization Daniel Migowski <dmigowski@ikoffice.de>
Re: [HACKERS] Cached plans and statement generalization Konstantin Knizhnik <k.knizhnik@postgrespro.ru>
Re: [HACKERS] Cached plans and statement generalization Alvaro Herrera <alvherre@2ndquadrant.com>
Re: [HACKERS] Cached plans and statement generalization Konstantin Knizhnik <k.knizhnik@postgrespro.ru>
Re: [HACKERS] Cached plans and statement generalization Michael Paquier <michael@paquier.xyz>
Re: [HACKERS] Cached plans and statement generalization Konstantin Knizhnik <k.knizhnik@postgrespro.ru>
Re: [HACKERS] Cached plans and statement generalization Tom Lane <tgl@sss.pgh.pa.us>
Re: [HACKERS] Cached plans and statement generalization Daniel Gustafsson <daniel@yesql.se>
Re: [HACKERS] Cached plans and statement generalization Юрий Соколов <funny.falcon@gmail.com>
RE: [HACKERS] Cached plans and statement generalization "Nagaura, Ryohei" <nagaura.ryohei@jp.fujitsu.com>
Re: [HACKERS] Cached plans and statement generalization Konstantin Knizhnik <k.knizhnik@postgrespro.ru>
Re: [HACKERS] Cached plans and statement generalization Konstantin Knizhnik <k.knizhnik@postgrespro.ru>
Re: Re: [HACKERS] Cached plans and statement generalization David Steele <david@pgmasters.net>
Re: Re: Re: [HACKERS] Cached plans and statement generalization David Steele <david@pgmasters.net>
Re: [HACKERS] Cached plans and statement generalization Robert Haas <robertmhaas@gmail.com>
Re: [HACKERS] Cached plans and statement generalization Konstantin Knizhnik <k.knizhnik@postgrespro.ru>
Re: [HACKERS] Cached plans and statement generalization Andres Freund <andres@anarazel.de>
Re: [HACKERS] Cached plans and statement generalization David Fetter <david@fetter.org>
Re: [HACKERS] Cached plans and statement generalization Konstantin Knizhnik <k.knizhnik@postgrespro.ru>
Re: [HACKERS] Cached plans and statement generalization David Fetter <david@fetter.org>
Re: [HACKERS] Cached plans and statement generalization "David G. Johnston" <david.g.johnston@gmail.com>
Re: [HACKERS] Cached plans and statement generalization Serge Rielau <serge@rielau.com>
Re: [HACKERS] Cached plans and statement generalization Konstantin Knizhnik <k.knizhnik@postgrespro.ru>
Re: [HACKERS] Cached plans and statement generalization Serge Rielau <serge@rielau.com>
Re: [HACKERS] Cached plans and statement generalization Konstantin Knizhnik <k.knizhnik@postgrespro.ru>
Re: [HACKERS] Cached plans and statement generalization Serge Rielau <serge@rielau.com>
Re: [HACKERS] Cached plans and statement generalization Konstantin Knizhnik <k.knizhnik@postgrespro.ru>
Re: [HACKERS] Cached plans and statement generalization Doug Doole <ddoole@salesforce.com>
Re: [HACKERS] Cached plans and statement generalization Andres Freund <andres@anarazel.de>
Re: [HACKERS] Cached plans and statement generalization Doug Doole <ddoole@salesforce.com>
Re: [HACKERS] Cached plans and statement generalization Andres Freund <andres@anarazel.de>
Re: [HACKERS] Cached plans and statement generalization Konstantin Knizhnik <k.knizhnik@postgrespro.ru>
Re: [HACKERS] Cached plans and statement generalization "Finnerty, Jim" <jfinnert@amazon.com>
Re: [HACKERS] Cached plans and statement generalization Doug Doole <ddoole@salesforce.com>
Re: [HACKERS] Cached plans and statement generalization Serge Rielau <serge@rielau.com>
Re: [HACKERS] Cached plans and statement generalization Doug Doole <ddoole@salesforce.com>
Re: [HACKERS] Cached plans and statement generalization Konstantin Knizhnik <k.knizhnik@postgrespro.ru>
Re: [HACKERS] Cached plans and statement generalization Konstantin Knizhnik <k.knizhnik@postgrespro.ru>
Re: [HACKERS] Cached plans and statement generalization Alexander Korotkov <a.korotkov@postgrespro.ru>
Re: [HACKERS] Cached plans and statement generalization Konstantin Knizhnik <k.knizhnik@postgrespro.ru>
On Apr 25, 2017, at 1:37 PM, Konstantin Knizhnik <k.knizhnik@postgrespro.ru> wrote:SELECT ‘hello’::CHAR(10) || ‘World’, 5 + 6;You can substitute ‘hello’, ‘World’, 5, and 6. But not 10.
I am substituting only string literals. So the query above will be transformed to
SELECT $1::CHAR(10) || $2, 5 + 6;
What's wrong with it?
Oh, well that leaves a lot of opportunities on the table, doesn’t it?
Cheers
Serge
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