GGSCI (host01.example.com as ogg@DB11G) 46> add trandata scott.*
2022-02-20 19:34:05 INFO OGG-15132 Logging of supplemental redo data
enabled for table SCOTT.BONUS.
2022-02-20 19:34:05 INFO OGG-15133 TRANDATA for scheduling columns
has been added on table SCOTT.BONUS.
2022-02-20 19:34:05 INFO OGG-15135 TRANDATA for instantiation CSN has
been added on table SCOTT.BONUS.
2022-02-20 19:34:05 INFO OGG-15132 Logging of supplemental redo data
enabled for table SCOTT.DEPT.
2022-02-20 19:34:05 INFO OGG-15133 TRANDATA for scheduling columns
has been added on table SCOTT.DEPT.
2022-02-20 19:34:05 INFO OGG-15135 TRANDATA for instantiation CSN has
been added on table SCOTT.DEPT.
2022-02-20 19:34:05 INFO OGG-15131 Logging of supplemental redo log
data is already enabled for table SCOTT.EMP.
2022-02-20 19:34:05 INFO OGG-15135 TRANDATA for instantiation CSN has
been added on table SCOTT.EMP.
2022-02-20 19:34:05 INFO OGG-15132 Logging of supplemental redo data
enabled for table SCOTT.SALGRADE.
2022-02-20 19:34:05 INFO OGG-15133 TRANDATA for scheduling columns
has been added on table SCOTT.SALGRADE.
2022-02-20 19:34:05 INFO OGG-15135 TRANDATA for instantiation CSN has
been added on table SCOTT.SALGRADE.
开始部署时没有执行此步骤,吃了很大亏。
insert
同步没有问题,但是在
update
或
delete
时就会因为丢失主键报同步错误。不开启表级的最小附加日志,
update
的
redo
信息不记录没有进行更新的字段信息,如主键不更新的话主键不记录在
redo
中,所以会
导致同步失败。
报的错一直是
mapping problem
, 没有正确理解错误,一直误以为
oracle
与
mysql
字
段类型匹配的问题。复制进程的
discard
文件
rep1.dsc
中的信息,
empno=
空值,原来
是没有开启表级最小附加日志的原因造成。
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