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								postgresql_and_edb/使用 ora2pg 将oracle 数据导入 postgresql.md
									
									
									
									
									
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# 使用 ora2pg 将oracle 数据导入 postgresql 
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## 安装edb
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##### 安装edb  源
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```
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yum -y install https://yum.enterprisedb.com/edbrepos/edb-repo-latest.noarch.rpm
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```
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##### 设置账号密码
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```
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sed -i "s@<username>:<password>@start:oIVqaoGTDFL5aYHD@" /etc/yum.repos.d/edb.repo
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```
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##### 安装  扩展包 源
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```
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yum -y install https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm
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```
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##### 安装edb 
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```
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yum -y install edb-as14-server 
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```
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##### 初始化
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```
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PGSETUP_INITDB_OPTIONS="-E UTF-8 -D /home/edbdata" /usr/edb/as14/bin/edb-as-14-setup initdb
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PGSETUP_INITDB_OPTIONS="-E UTF-8 -D /home/edbdata" /usr/edb/as12/bin/edb-as-12-setup initdb
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PGSETUP_INITDB_OPTIONS="-E UTF-8 -D /home/edbdata" /usr/edb/as12/bin/edb-as-12-setup initdb
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```
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##### 启动 edb 
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```
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systemctl start edb-as-14
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```
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##### 连接edb 
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```
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sudo su - enterprisedb
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psql edb
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```
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###  常见问题
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- 远程连接数据库失败  修改文件 data/pg_hba.conf 添加  
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  ```
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  host all all 0.0.0.0/0 md5
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  ```
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- 修改数据库密码(在edb 库执行)
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  ```
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  ALTER USER enterprisedb WITH PASSWORD 'yiing&654';
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  ```
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## 安装 ora2pg
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### 安装 perl 环境
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```
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yum install -y perl-ExtUtils-CBuilder perl-ExtUtils-MakeMaker
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yum -y install perl-CPAN
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```
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### 安装Oracle客户端
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官网下载 Oracle Instant Client 等包 上传服务器安装
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```
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rpm -ivh oracle-instantclient19.15-basic-19.15.0.0.0-1.x86_64.rpm
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rpm -ivh oracle-instantclient19.15-devel-19.15.0.0.0-1.x86_64.rpm
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rpm -ivh oracle-instantclient19.15-jdbc-19.15.0.0.0-1.x86_64.rpm
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rpm -ivh oracle-instantclient19.15-sqlplus-19.15.0.0.0-1.x86_64.rpm
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```
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#### 设置环境变量ORACLE_HOME
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```
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export ORACLE_HOME=/usr/lib/oracle/19.15/client64/
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```
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#### 本地已安装有Oracle数据库
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ORACLE_HOME如下设置
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```
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export ORACLE_HOME=/opt/oracle/product/19c/dbhome_1
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export LD_LIBRARY_PATH=$ORACLE_HOME/lib
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```
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### 安装 perl  依赖
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```
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perl -MCPAN -e 'install DBD::Oracle'
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perl -MCPAN -e 'install DBI'
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perl -MCPAN -e 'install DBD::Pg'
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```
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按照自己 的路径设置 环境变量
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```
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export POSTGRES_HOME=/usr/edb/as14
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export POSTGRES_HOME=/var/lib/edb/as14
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```
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#### 常见问题
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```
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Can't locate Test/NoWarnings.pm in @INC (@INC contains: t/lib /root/.cpan/build/DBD-Oracle-1.83-LDK8k0/blib/lib /root/.cpan/build/DBD-Oracle-1.83-LDK8k0/blib/arch /usr/local/lib64/perl5 /usr/local/share/perl5 /usr/lib64/perl5/vendor_perl /usr/share/perl5/vendor_perl /usr/lib64/perl5 /usr/share/perl5 .) at t/26exe_array.t line 15.
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```
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 安装 perl-Test-NoWarnings-1.04-2.el7.noarch  解决
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提示测试不通过 手动下载源码 安装  
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下载地址:https://metacpan.org/release/DBI
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```
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tar -zxvf DBI-1.642.tar.gz
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cd DBI-1.642
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perl Makefile.PL
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make
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make install
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```
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### 安装ora2pg
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下载软件包
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https://github.com/darold/ora2pg/releases
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默认安装在`/usr/local/bin/` 目录下
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```
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[root@Test01 ~]# tar -xjf  ora2pg-20.0.tar.bz2
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[root@Test01 ~]# cd ora2pg-xx/
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[root@Test01 ~]# perl Makefile.PL  PREFIX=<your_install_dir>
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[root@Test01 ora2pg-18.2]# make && make install
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```
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简单检查
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ora2pg --help
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## 迁移数据
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### 初始化项目
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```
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//初始化项目
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ora2pg --init_project ora2pg
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ora2pg -t SHOW_VERSION -c config/ora2pg.conf
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ora2pg -t SHOW_SCHEMA -c config/ora2pg.conf
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ora2pg -t  SHOW_TABLE -c config/ora2pg.conf
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ora2pg -t  SHOW_COLUMN   -c config/ora2pg.conf
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ora2pg -t  SHOW_ENCODING    -c config/ora2pg.conf
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```
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### 配置配置文件
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默认配置文件即可 需要修改
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```
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# Set Oracle database connection (datasource, user, password)
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ORACLE_DSN	dbi:Oracle:host=dev-db.yldev.net;sid=hcc;port=1521
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ORACLE_USER	icc		
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ORACLE_PWD	ICCICC
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# Oracle schema/owner to use
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SCHEMA	ICC
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# Set which object to export from. By default Ora2Pg export all objects.
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# Value must be a list of object name or regex separated by space. Note
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# that regex will not works with 8i database, use % placeholder instead
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# Ora2Pg will use the LIKE operator. There is also some extended use of
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# this directive, see chapter "Limiting object to export" in documentation.
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# 可以使用正则  如  t_.*   可以排除 不想导出的对象 如!t_t2
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#配置中文释义  https://blog.csdn.net/Loiterer_Y/article/details/110927688
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#ALLOW		TABLE_TEST
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# The value can be a comma delimited list of schema but not when using TABLE
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# export type because in this case it will generate the CREATE SCHEMA statement
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# and it doesn't support multiple schema name. For example, if you set PG_SCHEMA
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# to something like "user_schema, public", the search path will be set like this
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#        SET search_path = user_schema, public;
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# forcing the use of an other schema (here user_schema) than the one from Oracle
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# schema set in the SCHEMA directive. You can also set the default search_path
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# for the PostgreSQL user you are using to connect to the destination database
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# by using:
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#        ALTER ROLE username SET search_path TO user_schema, public;
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#in this case you don't have to set PG_SCHEMA.
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#PG_SCHEMA	LLOW	
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PG_SCHEMA	icc	
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```
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### 测试连接
 | 
			
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执行以下命令 返回oracle 版本则连接成功
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```
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ora2pg -t SHOW_VERSION -c config/ora2pg.conf
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```
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### 导出表结构 
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先安装  screen  防止意外断开 导出失败
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```
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yum install -y screen
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```
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#### screen 常用命令
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```
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//开启一个screen
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screen -S name 
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//进入一个 screen 
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screen -r name
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// screen 列表
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screen -ls
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可以用快捷键 Ctrl+a d(即按住 Ctrl,依次再按 a,d),而会话中的程序不会关闭
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```
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### 导出数据
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该命令根据数据库大小 表大小等待时间不一 建议使用screen 运行
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```
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ora2pg -t COPY -o data.sql -b ./data -c ./config/ora2pg.conf
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```
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### 修改校验表结构
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导出完成后 在 `./schema/tables` 下有转换好的表结构(主要修改关键字段)
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```
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oid
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tableoid
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xmin
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cmin
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xmax
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cmax
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ctid
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```
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### 导入数据库
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切换到`enterprisedb` 用户 
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执行 `sh import_all.sh`   按照提示导入数据
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## 附录
 | 
			
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#### 修改用户组 权限
 | 
			
		||||
 | 
			
		||||
```
 | 
			
		||||
chown [-R] ownname:groupname filename
 | 
			
		||||
chmod -R  777 filename
 | 
			
		||||
 | 
			
		||||
```
 | 
			
		||||
 | 
			
		||||
#### 追踪服务日志
 | 
			
		||||
 | 
			
		||||
```
 | 
			
		||||
journalctl -f  -u icc-analysis.service
 | 
			
		||||
```
 | 
			
		||||
 | 
			
		||||
#### 查看文件大小
 | 
			
		||||
 | 
			
		||||
```
 | 
			
		||||
df -hl
 | 
			
		||||
df -h path
 | 
			
		||||
ls -lht
 | 
			
		||||
 | 
			
		||||
du -ah --max-depth=1 /path
 | 
			
		||||
 | 
			
		||||
查看删除的文件
 | 
			
		||||
lsof -n | grep deleted
 | 
			
		||||
 | 
			
		||||
du -bsh /
 | 
			
		||||
```
 | 
			
		||||
 | 
			
		||||
#### Linux 替换命令 sed
 | 
			
		||||
 | 
			
		||||
```
 | 
			
		||||
参数说明:
 | 
			
		||||
 | 
			
		||||
-e<script>或--expression=<script> 以选项中指定的script来处理输入的文本文件。
 | 
			
		||||
-f<script文件>或--file=<script文件> 以选项中指定的script文件来处理输入的文本文件。
 | 
			
		||||
-h或--help 显示帮助。
 | 
			
		||||
-n或--quiet或--silent 仅显示script处理后的结果。
 | 
			
		||||
-V或--version 显示版本信息。
 | 
			
		||||
 | 
			
		||||
动作说明:
 | 
			
		||||
 | 
			
		||||
a :新增, a 的后面可以接字串,而这些字串会在新的一行出现(目前的下一行)~
 | 
			
		||||
c :取代, c 的后面可以接字串,这些字串可以取代 n1,n2 之间的行!
 | 
			
		||||
d :删除,因为是删除啊,所以 d 后面通常不接任何东东;
 | 
			
		||||
i :插入, i 的后面可以接字串,而这些字串会在新的一行出现(目前的上一行);
 | 
			
		||||
p :打印,亦即将某个选择的数据印出。通常 p 会与参数 sed -n 一起运行~
 | 
			
		||||
s :取代,可以直接进行取代的工作哩!通常这个 s 的动作可以搭配正规表示法!例如 1,20s/old/new/g 就是啦!
 | 
			
		||||
实例
 | 
			
		||||
 | 
			
		||||
可以使用正则  特殊字符\转义 
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
sed ”s/要被取代的字串/新的字串/g“ fileName
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
```
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
#### psql 导入导出文件
 | 
			
		||||
 | 
			
		||||
```
 | 
			
		||||
//导入
 | 
			
		||||
pg_restore 
 | 
			
		||||
psql -Uicc -dicc -f ./xxx.sql
 | 
			
		||||
psql -Uicc -dicc -h10.23.101.52  -f ./schema/tables/table.sql
 | 
			
		||||
 | 
			
		||||
//导出表 模式  数据
 | 
			
		||||
pg_dump -h10.23.101.52 -Uicc -dicc> ~/dum.sql
 | 
			
		||||
pg_dump -h10.23.101.52 -Uicc -dicc -f icc.dmp
 | 
			
		||||
 | 
			
		||||
报错停止 -v ON_ERROR_STOP=1 
 | 
			
		||||
 | 
			
		||||
-a  只要数据 
 | 
			
		||||
-s	只要表结构
 | 
			
		||||
-O	不设置表归属
 | 
			
		||||
-n, --schema=SCHEMA      只转储指定名称的模式
 | 
			
		||||
-T 排除表
 | 
			
		||||
-t  指定表
 | 
			
		||||
-Z 压缩0-9
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
pg_dump -U postgres vendemo | gzip > /vendemo.gz 备份下来只有30多k
 | 
			
		||||
 | 
			
		||||
// 导出压缩文件
 | 
			
		||||
pg_dump -h10.23.101.52 -Uicc -dicc  -t 表名 -t表名 -a -O | gzip > iccData.gz
 | 
			
		||||
pg_dump -Uicc -dicc | gzip > iccData.gz
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
//导入压缩文件
 | 
			
		||||
gzip -d iccData.gz | psql -Uicc -dicc -h10.23.101.52
 | 
			
		||||
//没测试过
 | 
			
		||||
psql -Uicctestedb -dicctestedb  < gzip -d iccData.gz
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
./pg_dump -h10.23.101.119 -Uicc -dicc  -o | gzip > ~/iccData_202206231632.gz
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
psql -U iccedb -d iccedb -h 192.168.53.118 -n 'icc2'  | gzip > ~/iccedb_icc2_202206301142.gz
 | 
			
		||||
 | 
			
		||||
psql -U iccedb -d iccedb -h 192.168.53.118 -v schema=icc2  | gzip > ~/iccedb_icc2_202206301142.gz
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
gzip -d ~/iccData_202206231634.gz | psql -Uiccedb -diccedb -h192.168.53.118 
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
pg_dump -Uenterprisedb -diccedb -h192.168.53.118 -n icc2  | gzip >  ~/iccedb_icc2_202206301214.gz
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
pg_dump  -Uenterprisedb -dicc -h10.23.101.119 -n icc  | gzip >  ~/icc_icc_202207011859.gz
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
pg_dump -t 'icc.*' -T icc.t_icc_inv_leg -T icc.t_icc_inv_leg_rate -T tcn_stat_new-dicc >  ~/icc_icc_202207081700.sql
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
pg_dump  -Uenterprisedb -dicc -h10.23.101.119 \
 | 
			
		||||
-T t_icc_inv_leg \
 | 
			
		||||
-T t_icc_inv_leg_rate \
 | 
			
		||||
-T tcn_stat_new  | gzip >  ~/icc_icc_202207081500.gz
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
./pg_dump  -Uenterprisedb -dicc -h10.23.101.119  -O \
 | 
			
		||||
-n icc  -s \
 | 
			
		||||
-f ~/icc_data_20220719_2130.sql
 | 
			
		||||
 | 
			
		||||
yiing&654
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
#导出 icc 模式下  排除 t_icc_inv_seg 等表  采用自定义格式压缩等级9(最大) 
 | 
			
		||||
 | 
			
		||||
./pg_dump  -Uenterprisedb -dicc -h10.23.101.119  \
 | 
			
		||||
-O -v -F c -Z 9  \
 | 
			
		||||
-t 'icc.*' \
 | 
			
		||||
-T '*.t_icc_inv_seg'  \
 | 
			
		||||
-T '*.t_icc_inv_leg_rate' \
 | 
			
		||||
-T '*.t_icc_hsd_inv_leg' \
 | 
			
		||||
-T '*.t_icc_inv_leg' \
 | 
			
		||||
-T '*.tcn_stat_new' \
 | 
			
		||||
-T '*.tcn_stat_sales_volume_total' \
 | 
			
		||||
-T '*.t_foreign_ticket_record' \
 | 
			
		||||
-T '*.tcn_stat_sales_volume_tmp' \
 | 
			
		||||
-T '*.t_icc_hsd_inv_seg' \
 | 
			
		||||
-T '*.tcn_stat_sales_volume' \
 | 
			
		||||
-T '*.t_icc_inv_seg_cabin' \
 | 
			
		||||
-f ~/icc_data_20220719_test.sql
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
恢复
 | 
			
		||||
./pg_restore -Uenterprisedb -dtest2 -h10.23.101.119 \
 | 
			
		||||
-F c  -c   --strict-names ~/icc_data_20220719_test.sql
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
./pg_dump -Uenterprisedb -diccedb -h192.168.53.118 -O -a -f ~/diccedb_202207_29.data.sql
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
./pg_dump -h10.23.101.242 -Uenterprisedb -dalgorithm   | gzip > /home/algorithmEdbData.gz
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
算法私服
 | 
			
		||||
/usr/edb/as12/bin/psql -Uenterprisedb -dalgorithm -h172.27.127.101 -f /home/wayne/algorithmEdbData
 | 
			
		||||
/usr/edb/as12/bin/pg_dump -h10.23.101.242 -Uenterprisedb -dalgorithm   | gzip > /home/algorithmEdbData.gz
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
算法
 | 
			
		||||
./psql -Uenterprisedb -dalgorithm -h10.23.101.242
 | 
			
		||||
./pg_dump -h10.23.101.242 -Uenterprisedb -dalgorithm   | gzip > /home/algorithmEdbData.gz
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
uat
 | 
			
		||||
psql -Uiccedb -diccedb -h192.168.53.118 -f ~/
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
sit
 | 
			
		||||
psql -Uicctestedb -dicctestedb -h192.168.53.123 -f ~/
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
```
 | 
			
		||||
 | 
			
		||||
#### 查询连接数
 | 
			
		||||
 | 
			
		||||
```
 | 
			
		||||
show max_connections;
 | 
			
		||||
SELECT COUNT(*) from pg_stat_activity;
 | 
			
		||||
 | 
			
		||||
```
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
#### edb9 启动方式
 | 
			
		||||
 | 
			
		||||
```
 | 
			
		||||
Linux:
 | 
			
		||||
/etc/init.d/ppas-9.x <start|stop|restart|status|reload>
 | 
			
		||||
service ppas-9.x <start|stop|restart|status|reload>
 | 
			
		||||
通用方式:
 | 
			
		||||
sudo su - enterprisedb
 | 
			
		||||
$PGHOME/bin/pg_ctl <start|stop|restart|status|reload> [options]
 | 
			
		||||
 | 
			
		||||
opt/PostgresPlus/9.5AS
 | 
			
		||||
```
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
		Reference in New Issue
	
	Block a user