### Berkeley DB Reference Guide: Upgrading Berkeley DB Applications |

### Release 4.5: Application-specific logging

In previous releases of Berkeley DB, "BEGIN" lines in the XXX.src files used to build application-specific logging support only required a log record number. In the 4.5 release, those lines require a Berkeley DB library version as well. For example, the entry:

>     BEGIN mdkir 10000

must now be:

>     BEGIN mdkir 44 10000

that is, the version of the Berkeley DB release where the log record was introduced must be included. The version is the major and minor numbers for the Berkeley DB library, with all punctuation removed. For example, Berkeley DB version 4.2 should be 42, version 4.5 should be 45.

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