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List:       postgresql-general
Subject:    Re: Re: Does it equal to execute "CREATE ACCESS METHOD"?
From:       "jacktby () gmail ! com" <jacktby () gmail ! com>
Date:       2022-10-29 15:45:33
Message-ID: 2022102923453200531955 () gmail ! com
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thanks for your advice, I realize my problems, can you give me some materials like some study routine for pg-internal?






--------------



jacktby@gmail.com



>"jacktby@gmail.com" <jacktby@gmail.com> writes:



>> When I add 



>> "{ oid => '6015', oid_symbol => 'SPB_AM_OID',



>>   descr => 'SPB index access method',



>>   amname => 'spb', amhandler => 'spbhandler', amtype => 'i' },"



>> in pg_am.dat



>> and  add



>> "{ oid => '388', descr => 'spb index access method handler',



>>   proname => 'spbhandler', provolatile => 'v',



>>   prorettype => 'index_am_handler', proargtypes => 'internal',



>>   prosrc => 'spbhandler' }," in pg_proc.dat,



>> so when I use the make install && cd contrib;make install;



>> whether it equals to execute create access method?



>



>Did you run initdb afterwards?  What you describe here should



>result in an updated postgres.bki file, but that isn't the



>same as catalog entries in a live database.



>



>> And Sorry for the another mail "access method xxx does not exist", you suggest me add new 



>> Am Index in contrib, But I need to modify gist to spb, so that's not my require. And I need to know



>> add those in pg_proc.dat and pg_am.dat, if it won't create access method for spb, what else I need to 



>> do?



>



>To be very blunt, it doesn't sound to me that your skills with



>Postgres are anywhere near up to the task of writing a new



>index access method.  You should start with some less-ambitious



>project to gain some familiarity with the code base.



>



>			regards, tom lane



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