Oracle | DBMS_STREAMS_LCR

Oracle DBMS_STREAMS_LCR_INT Version 26ai

General Information

Library Note

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Oracle Database 26ai will be available on generic Linux platforms in January and soon on AIX and Windows

Purpose Internal package support Logical Change Record to and from XML document conversion.

Streams was deprecated 03-Jan-2018 but this package still exists in 23ai

AUTHID CURRENT_USER

Dependencies

ALL_APPLY_ERROR_MESSAGES	DBMS_OUTPUT	LCR$_PARAMETER_LIST
ANYDATA	DBMS_STREAMS	LCR$_PROCEDURE_RECORD
ANYTYPE	DBMS_STREAMS_ADM_UTL	LCR$_ROW_LIST
DBA_APPLY_ERROR_MESSAGES	DBMS_TYPES	LCR$_ROW_RECORD
DBMS_LOB	DBMS_XSTREAM_ADM_UTL	LCR$_ROW_UNIT
DBMS_LOGREP_LIB	DBMS_XSTREAM_GG_ADM	PLITBLM
DBMS_LOGREP_UTIL	LCR$_DDL_RECORD	XMLTYPE

Documented No

First Available Not known

Security Model Owned by SYS with EXECUTE granted to the EXECUTE_CATALOG_ROLE role

Source {ORACLE_HOME}/rdbms/admin/prvthlcr.plb

Subprograms

Converts a Logical Change Record to an XML document dbms_streams_lcr_int.convert_lcr_to_xml(anyLCR IN XMLTYPE) RETURN XMLTYPE;

TBD

CONVERT_XML_TO_LCR

Converts an XML document to a Logical Change Record dbms_streams_lcr_int.convert_xml_to_lcr(xmlDAT IN XMLTYPE) RETURN XMLTYPE;

TBD

GET_LCR_CONTENT

Retrieves the content of a Logical Change Record dbms_streams_lcr_int.get_lcr_content( lcr IN XMLTYPE, row_type IN VARCHAR2) RETURN CLOB;

-- the following code was found in $ORACLE_HOME/rdbms/admin/catapp.sql

      -- and  formatted for readability

      

      CREATE OR REPLACE VIEW dba_apply_error_messages(

      message_id, local_transaction_id, transaction_message_number,

      error_number, error_message, source_object_owner, source_object_name,

      object_owner, object_name, primary_key, position, operation,

      conflict_type, applied_state, seq#, rba, conflict_info, source_package_name,

      package_name, message)

      AS

      SELECT msg_id, local_transaction_id, txn_message_number+1,

      error_number, error_message, NVL(source_object_owner,dest_object_owner), NVL(source_object_name, dest_object_name),

      dest_object_owner, dest_object_name, primary_key, position, operation, (

      CASE WHEN (bitand(flags, 1) = 1) THEN (

        CASE WHEN (error_number = 26799 AND operation = 'INSERT') THEN 'INSERT ROW EXISTS'

             WHEN (error_number = 26786 AND operation = 'UPDATE') THEN 'UPDATE ROW EXISTS'

             WHEN (error_number = 26787 AND operation = 'UPDATE') THEN 'UPDATE ROW MISSING'

             WHEN (error_number = 26786 AND operation = 'DELETE') THEN 'DELETE ROW EXISTS'

             WHEN (error_number = 26787 AND operation = 'DELETE') THEN 'DELETE ROW MISSING'

             ELSE NULL END)

      ELSE NULL END), (

      CASE WHEN (bitand(flags, 1) = 1) THEN (

        CASE WHEN (bitand(flags, 6) = 6) THEN 'PARTIAL'

             WHEN (bitand(flags, 2) = 2) THEN 'WON'

             ELSE 'LOST' END)

      ELSE NULL END),

      seq#, rba, cg_info, source_package_name, dest_package_name,

      dbms_streams_lcr_int.get_lcr_content(dbms_apply_adm.get_error_message(txn_message_number+1, local_transaction_id), '*')

      FROM sys.apply$_error_txn;