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GoldenGate 中文表/中文字段处理-CUUG

  比如有个如下的中文表:

  示例40:

  create table 测试表(

  ID NUMBER,

  姓名 VARCHAR2(30),

  FLAG CHAR(1),

  CONSTRAINT PK_TESTD PRIMARY KEY (ID) USING INDEX);

  --源端创建MV LOG和MV:

  drop materialized view log on "测试表";

  create materialized view log on "测试表" with primary key;

  drop materialized view mv_cn_table;

  create materialized view mv_cn_table refresh fast on commit as select id,姓名 as en_name,flag from "测试表";

  在目标端创建表及view:

  示例41:

  create or replace view v_cn_table as select id,姓名 as en_name,flag from 测试表;

  这里NLS_LANG在GG中,抽取和复制必须设置为和目标字符集一致:

  示例42:

  SETENV (NLS_LANG = "AMERICAN_AMERICA.AL32UTF8")

  Extract相关:

  示例43:

  extract ODISC

  SETENV (NLS_LANG = "AMERICAN_AMERICA.AL32UTF8")

  userid custom_src, password custom_src

  exttrail D:/GoldenGate/dirdat/ODISoc/oc

  TABLE CUSTOM_SRC.MV_CN_TABLE;

  Pump相关:

  示例44:

  extract ODIT1P

  SETENV (NLS_LANG = "AMERICAN_AMERICA.AL32UTF8")

  PASSTHRU

  rmthost localhost, mgrport 7909

  rmttrail D:/gg_stg/dirdat/ODIT1op/op

  TABLE CUSTOM_SRC.MV_CN_TABLE;

  Replicat相关:

  示例45:

  replicat ODIT1A1

  SETENV (NLS_LANG = "AMERICAN_AMERICA.AL32UTF8")

  userid odi_staging, password odi_staging

  discardfile D:/gg_stg/dirrpt/ODIT1.dsc, purge

  ASSUMETARGETDEFS

  这里必须指定APPLYNOOPUPDATES参数,否则UPDATE有问题,另外,也要指定KEYCOLS,否则删除和更新有问题:

  示例46:

  map CUSTOM_SRC.MV_CN_TABLE, TARGET ODI_STAGING.V_CN_TABLE, KEYCOLS (ID);