postgres 설치하기
테스트: centos5.7
1. directory 생성
mkdir -p /usr/local/pgsql
2. user 생성
groupadd postgres
useradd -gpostgres -d /usr/local/pgsql postgres
3. postgres 다운로드
wget http://wwwmaster.postgresql.org/redir/408/f/source/v9.1.1/postgresql-9.1.1.tar.gz
tar xvzfp postgresql-9.1.1.tar.gz
chown -R postgres.postgres postgresql-9.1.1
4. postgres 설치
cd postgresql-9.1.1
yum -y install bison
flex 2.5.31 이상 필요함.
wget http://sourceforge.net/projects/flex/files/flex/flex-2.5.35/flex-2.5.35.tar.gz/download
tar xvzfp flex-2.5.35.tar.gz
cd flex-2.5.35
./configure;make ;make install
ln -sf /usr/local/bin/flex /usr/bin/flex
yum -y install readline-devel
yum -y install zlib-devel
./configure --prefix=/usr/local/pgsql --enable-nls=EUC_KR
make
make install
cd /usr/local/
chown -R postgres.postgres pgsql
su -l postgres -c "/usr/local/pgsql/bin/initdb -D /usr/local/pgsql/data"
* postgres 시작
/usr/local/pgsql/bin/postgres -D /usr/local/pgsql/data 혹은
/usr/local/pgsql/bin/pg_ctl -D /usr/local/pgsql/data -l logfile start
5. 라이브러리 추가
vi /etc/ld.so.conf
/usr/local/pgsql/lib
ldconfig
6. postgres 환경변수 설정
su - postgres
vi .bash_profile
----------------------------
PATH=$PATH:/usr/local/pgsql/bin
MANPATH=$MANPATH:/usr/local/pgsql/man
PGLIB=/usr/local/pgsql/lib
PGDATA=/usr/local/pgsql/data
export PATH MANPATH PGLIB PGDATA
----------------------------
source .bash_profile
7. postmaster 데몬 띄우기
su - postgres
/usr/local/pgsql/bin/pg_ctl -D /usr/local/pgsql/data -l logfile start
========================
dump data import하기
psql -e < db.out
data export 하기
pg_dumpall -z > db.out
db 권한 주기
su - postgres
createuser byoungguk ---> 권한 주고 싶은 계정
db 생성 및 테이블 생성
su - byoungguk
createdb test
psql test
byoungguk=> create table counter ( count int );
byoungguk=> insert into counter values ( 0 );
byoungguk=> \q
yum -y install php-pgsql
<?
$connect=pg_connect("dbname=test user=byoungguk");
$result=pg_exec($connect,"select * from counter");
$count_num = pg_result($result,0,"count");
if (!$count_num) {
$count_num++;
pg_exec($connect,"update counter set count=$count_num");
}
echo $count_num;
?>
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