DB2 Version 10.1 for Linux, UNIX, and Windows

db2LSN data structure

This union, used by the db2ReadLog and db2ReadLogNoConn APIs, contains the definition of the log sequence number.

A log sequence number (LSN) represents a relative byte address within the database log. All log records are identified by this number. An LSN represents the byte offset of the log record from the beginning of the database log.

Table 1. Fields in the db2LSN Structure
Field Name	Data Type	Description
lsnU64	db2Uint64	Specifies the log sequence number.

API and data structure syntax

typedef SQL_STRUCTURE db2LSN 
{
    db2Uint64   lsnU64;    /* Log sequence number           */ 
} db2LSN;