ڸ  PostgreSQL FAQ (ѱ)

 ģ ¥: 1998 5 25

 ϴ : Bruce Momjian ( maillist@candle.pha.pa.us)
ѱ ϴ :  (honest@hitel.net)

   ֽ PostgreSQL Ʈ, http://postgreSQL.org 
ã  ֽϴ.

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

 õ :

1) ڵ     ֳ?
2)  å ڵ鿡  ˴ϱ?
3) ޸𸮸 Ҵϱ   palloc()  pfree()  մϱ?
4) ڷᱸ   Node  List  ϴ  ϱ?
5)  ߰ϰų ׸   ؾ ?
6)  ҽ Ʈ ٿεϰų Ϸ  մϱ?
7)     ׽Ʈմϱ?
8) ü ʵ带 ϳ ߽߰ϴ.  ؾ  ֽϱ?

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

1) ڵ     ֳ?

 FAQ  ޵ ڸ   ϰ, ڸ  
 غǾ ֽϴ. ù°, /tools 丮  ϵ
ڵ  Դϴ.

        RELEASE_CHANGES           ٲ ׵
        SQL_keywords            SQL'92 ǥ Ű
        backend                 鿣 丮 帧
        ccsym                   Ϸ鿡   ǥ define  ã
        entab                   ǹڸ 鹮ڷ ٲٱ. pgindent  
        find_static             static    ִ Լ ã
        find_typedef            ҽڵ忡 typedef ã
        make_ctags               丮 vi  'tags'  
        make_diff               *.orig  ҽ  
        make_etags              emacs  'etags'  
        make_keywords.README    Ǵ  SQL'92   
        make_mkid               mkid ID  
        mkldexport              AIX ͽƮ  
        pgindent                C ҽ 鿩

 ϰڽϴ.  tools/backend 丮 
帧  鿣 Ʈ Ÿ     Դϴ.
ƹų Ŭϸ ׿     ֽϴ. ׸ 
丮̸ Ŭϸ ҽ丮   ̰  ҽڵ带
ҷ  ֽϴ. ҽ丮 ִ README Ͽ ش Լ
   ֽϴ. 丮   README 
 Դϴ. tools/backend 丮 PostgreSQL  Backend
Flowchard   ֽϴ.

ι°, ±׸ ó  ִ Ⱑ ݵ ־ մϴ. ׷
Լȣ ±óϿ Լ Ǹ   ְ,  Լ ȿ  ±
ó Ͽ   Լ    ڷ   ư  Լ
  ְ ˴ϴ. 밳  tags  etags  Ͽ 
 մϴ.

°, ftp.postgresql.org  mkid  ؾ մϴ. tools/make+mkid 
ϸ ҽ ɺ Ͽ  Ϸ ְ, grep ̳
⸦ Ͽ  ̰    ֽϴ.

make_diff  ǿ   ֵ ġ diff  ִ
 ֽϴ.

pgindent  ҽ 鹮  ̷  ϴ PostgreSQL 
ǥ, ׸  ü ִ indent ƿƼ ϴ
鿩   ݴϴ.

2)  å ڵ鿡  ˴ϱ?

  å õմϴ. An Introduction to Database Systems, by C.J. Date,
Addison, Wesley  A Guide to the SQL Standard, by C.J. Date, et. al,
Addison, Wesley Դϴ.

3) ޸𸮸 Ҵϱ   palloc()  pfree()  մϱ?

palloc()  pfree()  malloc()  free()  ˴ϴ. ̰
PostgreSQL Ʈ   Ҵ ޸𸮸  Ű
Դϴ. palloc()  pfree()  ϸ   Ҵǰ  Ŀ
ٸ   ޸𸮰 Ǿٴ  Ȯϰ   ֽϴ.
ƻ    ޸𸮰 Ҵ  ִ 찡  Ҵ
޸𸮰 鿣忡  ڵ     ֽϴ.

4) ڷᱸ   Node  List  ϴ  ϱ?

鿣忡 ڷḦ Ѱ   鼭 ϰ   
ֱ Դϴ.     ȿ   ڷḦ  ִ
ִ NodeTag  ϴ. Lists  Nodes  Դϴ. lfirst(),
lnext(),  foreach()  Ͽ  ,

5)  ߰ϰų ׸   ؾ ?

ҽڵ 뷫 250,000   ˴ϴ.   ɵ ڵ
Ư  κп Ǿ ֽϴ. ٸ ͵ ҽڵ忡  
 ʿ մϴ. 𿡼 ؾ 𸣰ڴٸ ĿƮ
ϼ. ׷  ⼺ 𿡼 ؾ ϴ ˷
̴ϴ.

 Ѱ ο ξ    װ ɵ ſ  ڵ常
Ͽ ߰  ִٴ Դϴ.  迡 ϸ  
ϸ鼭 ڵ带 ߰ϰ Ǵµ,   ٸ κ 鿩 ٰ 
  سҴٴ  ˰ ǰ   ̸ ġ  
۰ Ʈ ϴ.

ڵ带 ߰ , ɰ ܼ  ̹ ҽ ϰ ִ 
̿ؾ Ѵٴ  Ͻʽÿ. ̹ ϰ ִڵ   
ϴ ڵ带 鼭  캸    Դϴ.

6)  ҽ Ʈ ٿεϰų Ϸ  մϱ?

ҽƮ   ִ    ֽϴ.  ϴ ڵ
׳ ftp.postgresql.org   ֱ ҽ Ʈ  ˴ϴ. 
ڵ̶  ftp.postgresql.org    ִ CVSup 
ġϼ. CVSup  ϸ ҽƮ ٿεϰ,  ҽ Ʈ
  Ʈ ݴϴ. ü ҽ Ʈ Ź ٿε ʿ䰡
,  ϸ  ˴ϴ. CVSup  ڵ ҽ Ʈ
Ʈ ϰ ϴ.

ҽ Ʈ ƮϷ    ֽϴ. ռ ޵ 
make_diff  Ͽ  ҽ Ʈ  ġ   ̰
ġ Ʈ   ֽϴ. ̰ 䰡 ̷ Ŀ  ñ⿡
 Դϴ. ġ  ū ̶, ׸ 츮 Ÿ׽Ʈ ̶
ڵ     ٷ ġ Ű  
Դϴ.

ٽ ڵ鿡Դ ũ(Marc scrappy@postgresql.org)  postgresql.org 
 ߱  Դϴ. ׷ ڴ ڽ   ftp 
÷ ġ ,   cvs  ̿ ٷ ҽ Ʈ ݿų
 ֽϴ.

7)     ׽Ʈմϱ?

 psql  Ͽ ߴ  ϴ Ȯϼ. ׸
src/test/regress  Ű Ű   
src/test/regress/checkresults  Ȯ . ġ ȸ ׽Ʈ 
ϰ ٲپ  ʾҴ Ȯؾ մϴ. ̷ ϴ   
 ٿݴϴ. ȸ ׽Ʈ ڰ ó  Ҹ 
ڵ带 ׽Ʈϱ  ġ  ׵ ݴϴ. 
ãƳ´ٸ ߿   ǰ  Ŀ ؾ   
  ְ ˴ϴ.      ƹ    .

8) ü ʵ带 ϳ ߽߰ϴ.  ؾ  ֽϱ?

ü parser, rewrite, optimizer, executor  ġ鼭  
 ޾ƾ մϴ. κ ü src/backend/nodes  ϴ
ƾ  ־ ش ü , ϰ, а, ϴµ
մϴ. ο ʵ忡    Ͽ ߰ߴ Ȯϼ.
ο ʵ带 ϱ   ʿ ڵ  Ȯϼ. ռ
޵ mkid    Դϴ.
