[HACKERS] about hacking postgresql
hello, here more of details I have a set of transaction. Naturally, the transactions execute themselves in competition. But I would want to give to every transaction a priority. Thus the transaction more priority must execute itself in first. I thought, as first step, to change the transaction syntax as follows Start transaction (priority) But I do not know where to do exactly the change in gram.y for I have to try to change in TransactionStmt, but I always receive the message syntax error at now near ( thanks you a lot
Re: [HACKERS] about hacking postgresql
abdelhak benmohamed wrote: hello, here more of details I have a set of transaction. Naturally, the transactions execute themselves in competition. But I would want to give to every transaction a priority. Thus the transaction more priority must execute itself in first. I thought, as first step, to change the transaction syntax as follows Start transaction (priority) But I do not know where to do exactly the change in gram.y for I have to try to change in TransactionStmt, but I always receive the message syntax error at now near ( thanks you a lot hello ... if you pump then in through the same database connection you do basically the same thing. if you want transactions to lock out each other, take a look at advisory locks. implementing this for start transaction seems pretty useless to me however. best regards, hans -- Cybertec Schönig Schönig GmbH Professional PostgreSQL Consulting, Support, Training Gröhrmühlgasse 26, A-2700 Wiener Neustadt Web: www.postgresql-support.de -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
[HACKERS] About hacking postgresql
Hellow, I want to be more precis I want to change the syntax as follows Start Transaction (priority) I have 03 transactions I want to give to every transaction à priority Example Transaction 1 Start transaction (03) . Commit Transaction 2 Start transaction (04) ……… Commit Transaction 1 Start transaction (01) .. Commit (the transaction with the higth priority must execute first) How to express this in gram.y? Is change in gram.y sufficient? Thanks a lot
[HACKERS] about hacking postgresql
Hellow, I want to be more precis I want to change the syntax as follows Start Transaction (priority) I have 03 transactions I want to give to every transaction à priority Example Transaction 1 Start transaction (03) . Commit Transaction 2 Start transaction (04) ……… Commit Transaction 1 Start transaction (01) .. Commit (the transaction with the higth priority must execute first) How to express this in gram.y? Is change in gram.y sufficient? Thanks a lot
[HACKERS] about hacking postgresql
Hello, I am learning how to hack PostgreSQL, but it is still so difficult in fact, I am a novice! I am trying to change syntax of postgresql (for my project). I access to gram.y, I add the changes but I still receive message error (syntax error at near …). Is that only change to do or are their other steps to accomplish? I need your help It is very important for me to have your advices, help. Thanks very much. Friendly
Re: [HACKERS] about hacking postgresql
On Thu, Apr 2, 2009 at 10:44 AM, abdelhak benmohamed abdelhak.benmoha...@yahoo.fr wrote: I am trying to change syntax of postgresql (for my project). I access to gram.y, I add the changes but I still receive message error (syntax error at near …). Is that only change to do or are their other steps to accomplish? You're evidently doing something wrong, but since you've provided no information about what you did or what didn't work, I can't even begin to speculate as to what it is. ...Robert -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
Re: [HACKERS] about hacking postgresql
Hi, I don't know exactly what you want to do but you can begin by looking here http://neilconway.org/talks/hacking/ (in particular Handout with excerpts from patch). can you tell us more ? Amine abdelhak benmohamed a écrit : Hello, I am learning how to hack PostgreSQL, but it is still so difficult in fact, I am a novice! I am trying to change syntax of postgresql (for my project). I access to gram.y, I add the changes but I still receive message error (syntax error at near …). Is that only change to do or are their other steps to accomplish? I need your help It is very important for me to have your advices, help. Thanks very much. Friendly
