How to make a map in pg kernel?

2023-10-05 Thread jacktby jacktby
Hi, I’m writing some kernel codes in pg15, and now I need to make a map struct, I know c-lang doesn’t support this, so does pg support an internal struct? Hopefully your replies.

Re: ./configure doesn't make effect?

2023-09-05 Thread jacktby jacktby
Sorry, I make a mistake, I should make install. That’s my fault > 2023年9月5日 20:08,Jeremy Garniaux 写道: > > Hi, > > The command you described: > > Le 05/09/2023 à 13:41, jacktby jacktby a écrit : >> rm -rf /data > has for effect to remove the /data directory and

./configure doesn't make effect?

2023-09-05 Thread jacktby jacktby
I use “rm -rf /data”, the ‘/data’ is the prefix when I execute ./configure command firstly, but after I ‘rm’ it, and use the command again, I can’t get the /data content. Why?

Failed to parse new syntax

2023-08-05 Thread jacktby jacktby
/* * similarity_search_expr is used for our multi-mode * similarity_search, and we just use this for multi * cols search. */ similarity_search_expr: sub_search_expr '<' AexprConst { $$ = (Node *) makeSimpleA_Expr(AEXPR_OP, "<", $1, $3, @2); }

How does pg parse 'select '(1,2)''

2023-08-05 Thread jacktby jacktby
I’m trying to add new grammar for my application. So I’m do research on gram.y. I think it will make the '(1,2)' as " '(' a_expr ')' "; but I can’t find out something like " a_expr ',' a_expr “, can you give me the details?

How to build a new grammer for pg?

2023-08-01 Thread jacktby
Hi, I’m trying to develop a new grammar for pg, can you give me a code example to reference?

Re: could not find shared library for Python

2022-10-23 Thread jacktby
ok, I'm sorry for that

Re: could not find shared library for Python

2022-10-17 Thread jacktby
Klaver Date 10/17/2022 22:54 To jacktby , pgsql-general@lists.postgresql.org

could not find shared library for Python

2022-10-17 Thread jacktby
I use CentOS7 and upgrade python2.7 to python3.7, but it gives me an error "could not find shared library for Python",I use the newest code from github repo, how should I do?

Zheap Tech Problem

2022-10-14 Thread jacktby
What's Zheap tech? Can you give me some details or stuff to study? and which version will be realized in ? jacktbyjack...@gmail.com

Please explain what's c99 brain dead?

2022-10-03 Thread jacktby jacktby
 can you give me a link to study it?

what is brain-dead about C99 inline functions?

2022-10-02 Thread jacktby jacktby

C99's brain-dead

2022-10-02 Thread jacktby jacktby
[image: 1664711612742.png] can you explain this please?