Re: How to replicate additional column using Goldengate Big Data Adapter?

From: Sourav Biswas <biswas.sourav_at_hotmail.com>
Date: Tue, 19 Jan 2021 13:47:46 +0000
Message-ID: <BMXPR01MB38322C19C283384B42B78CC2F0A30_at_BMXPR01MB3832.INDPRD01.PROD.OUTLOOK.COM>

Hi Bobby,

Thank you for your prompt response. Let me try this out, I will get back with you shortly.

Best Regards,
Sourav Biswas
+91-9650017306

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From: Bobby Curtis <curtisbl_at_gmail.com> Sent: Tuesday, January 19, 2021 6:34 PM
To: biswas.sourav_at_hotmail.com <biswas.sourav_at_hotmail.com>; Oracle Mailinglist <oracle-l_at_freelists.org> Subject: Re: How to replicate additional column using Goldengate Big Data Adapter?

Morning/Evening,

In short, TOKENS are going to be your friend with this approach.

Define a Token:

TABLE <table>, TOKENS(<token name> = <token data>);

Looks something like this (in extract):

TABLE XYZ.PCM, TOKENS (DBNAME1=_at_GETENV(‘GGFILEHEADER’, ‘DBNAME’));

Then in the replicat file:

MAP XYZ.PCM, TARGET XYZ.PCM, COLMAP(USEDEFAULTS, STATUS=_at_TOKENS(‘DBNAME1’));

This should get what you want out of the adapter.

-Bobby Curtis

bobby.curtis_at_rheodata.com<mailto:bobby.curtis_at_rheodata.com>

From: "oracle-l-bounce_at_freelists.org" <oracle-l-bounce_at_freelists.org> on behalf of Sourav Biswas <biswas.sourav_at_hotmail.com> Reply-To: "biswas.sourav_at_hotmail.com" <biswas.sourav_at_hotmail.com> Date: Tuesday, January 19, 2021 at 6:39 AM To: Oracle Mailinglist <oracle-l_at_freelists.org> Subject: How to replicate additional column using Goldengate Big Data Adapter?

Hello All,

How to replicate additional column using Goldengate Big Data Adapter?

Source Database Version: 12.1.0.2

Source Goldengate Version: 12.2.0.2.2

Target Goldengate Big Data Adapter: 19.1.0.0.5

Target Destination: Solace

Source Table Definition:

SQL> desc XYZ.PCM

Name                                      Null?    Type

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

PAYMENT_CODE                                       NUMBER(10)

PAYMENT_DESCRIPTION                                VARCHAR2(240)

TYPE_PG_NAME                                       VARCHAR2(240)

GL_CODE                                            NUMBER

CATEGORY                                           VARCHAR2(240)

STATUS                                             VARCHAR2(240)

SETTLEMENT                                         VARCHAR2(240)

COMMISSION                                         NUMBER

SETTLEMENT_DAYS                                    NUMBER

Replicat Param File:

REPLICAT REPFXMT1 TARGETDB LIBFILE libggjava.so SET property=dirprm/REPFXMT1.props

REPORTCOUNT EVERY 1 MINUTES, RATE REPLACEBADCHAR SPACE --MAP XYZ.PCM, TARGET XYZ.PCM; --MAP XYZ.PCM, TARGET XYZ.PCM , COLMAP(USEDEFAULTS, DBNAME = _at_GETENV ('GGFILEHEADER', 'DBNAME'));

MAP XYZ.PCM, TARGET XYZ.PCM, COLMAP(USEDEFAULTS, STATUS = _at_GETENV ('GGFILEHEADER', 'DBNAME'));

When we try to replicate 9 columns from source to target using “MAP XYZ.PCM, TARGET XYZ.PCM;” clause, it works fine.

However, when we try to replicate addition column using “MAP XYZ.PCM, TARGET XYZ.PCM , COLMAP(USEDEFAULTS, DBNAME1 = _at_GETENV ('GGFILEHEADER', 'DBNAME'));” clause, it fails with below error;

2021-01-18 15:04:38 INFO OGG-15056 The definition for target table XYZ.PCM is derived from the source table XYZ.PCM.

...(USEDEFAULTS, DBNAME1 =...

                 ^

Error in COLMAP clause. Unrecognized clause or element.

Source Context :

  SourceModule : [er.mapping]

  SourceID                : [er/mapping.cpp]

  SourceMethod            : [get_map_entry]

  SourceLine              : [3089]

  ThreadBacktrace         : [17] elements



                          : [/goldengatecu/goldengate/ggsolace/libgglog.so(CMessageContext::AddThreadContext())]





                          : [/goldengatecu/goldengate/ggsolace/libgglog.so(CMessageFactory::CreateMessage(CSourceContext*, unsigned int, ...))]





                          : [/goldengatecu/goldengate/ggsolace/libgglog.so(_MSG_String(CSourceContext*, int, char const*, CMessageFactory::MessageDisposition))]





                          : [/goldengatecu/goldengate/ggsolace/replicat(get_map_entry(ggs::gglib::ggunicode::UString const&, int, wc_def*, ObjectMetadataRequest const&, unsigned int, unsigned int, ggs::gglib::ggmetadata::MetadataContext&, ggs::gglib::ggmetadata::TableManager&, unsigned int, ggs::gglib::ggmetadata::CTblMetadata*, ggs::gglib::ggmetadata::CMetadataReader*, bool, bool, bool))]





                          : [/goldengatecu/goldengate/ggsolace/replicat(wc_def::resolve_wc_entry(ObjectMetadataRequest const&, int, ggs::gglib::ggapp::CQualDBObjName<(DBObjType)1>*, ggs::gglib::ggmetadata::MetadataContext&, ggs::gglib::ggmetadata::TableManager&, ggs::gglib::ggmetadata::CTblMetadata*, ggs::gglib::ggmetadata::CMetadataReader*))]





                          : [/goldengatecu/goldengate/ggsolace/replicat(WILDCARD_check_table(ObjectMetadataRequest const&, bool, bool, unsigned int, ggs::gglib::ggapp::CQualDBObjName<(DBObjType)1>*, ggs::gglib::ggmetadata::TableManager&, ggs::gglib::ggmetadata::CTblMetadata*, ggs::gglib::ggmetadata::CMetadataReader*, bool, ggs::gglib::gglcr::CommonLCR*))]





                          : [/goldengatecu/goldengate/ggsolace/replicat(ggs::er::ERContext::findSourceMetadata(ggs::gglib::ggapp::CQualDBObjName<(DBObjType)1> const&, int, ggs::gglib::ggmetadata::CTblMetadata*, ggs::gglib::ggmetadata::CMetadataReader*, bool))]





                          : [/goldengatecu/goldengate/ggsolace/replicat(ggs::gglib::ggapp::ReplicationContext::sourceMetadataLookup(ggs::gglib::gglcr::CommonLCR const*))]





                          : [/goldengatecu/goldengate/ggsolace/replicat(ggs::er::ReplicatContext::processReplicatLoop())]





                          : [/goldengatecu/goldengate/ggsolace/replicat(ggs::er::ReplicatContext::run())]





                          : [/goldengatecu/goldengate/ggsolace/replicat()]





                          : [/goldengatecu/goldengate/ggsolace/replicat(ggs::gglib::MultiThreading::MainThread::ExecMain())]





                          : [/goldengatecu/goldengate/ggsolace/replicat(ggs::gglib::MultiThreading::Thread::RunThread(ggs::gglib::MultiThreading::Thread::ThreadArgs*))]





                          : [/goldengatecu/goldengate/ggsolace/replicat(ggs::gglib::MultiThreading::MainThread::Run(int, char**))]





                          : [/goldengatecu/goldengate/ggsolace/replicat(main)]





                          : [/lib64/libc.so.6(__libc_start_main)]





                          : [/goldengatecu/goldengate/ggsolace/replicat()]

2021-01-18 15:04:38 ERROR OGG-00919 Error in COLMAP clause.

As a test, we tried to replicate using “MAP XYZ.PCM, TARGET XYZ.PCM, COLMAP(USEDEFAULTS, STATUS = _at_GETENV ('GGFILEHEADER', 'DBNAME'));” clause and it works fine. “Status” is an existing column in source table with VARCHAR2(240) datatype. When this clause is used, the target “Status” column is overwritten with ‘DBNAME’ value. This is not a fix, we just wanted to see whether Goldengate Adapter can replicat token values.

The expectation is to replicate 9 columns from source and apply them to target along with additional column with token value. Please suggest how to do this, like is there a way to define this new column datatype to GG Adapter, or something else.

Best Regards,
Sourav Biswas

+91-9650017306

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Received on Tue Jan 19 2021 - 14:47:46 CET