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I've generated changelog with 

java -jar liquibase.jar --changeLogFile="./data/<insert file name>" generateChangeLog

I've got a "create table" changelog.

After it I altered table by adding a new column and runned

java -jar liquibase.jar --changeLogFile="./data/<insert file name>"

generateChangeLog

again. I expected to see incremental log with "create table" and "alter table", but it showing "ChangeLog ...... already exists!".

How to incrementally update ChangeLog?

Thank you!

Arthur
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1 Answers1

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The generateChangelog command is used to generate an initial changelog. If you want to append to a changelog you use the diffChangelog command.

SteveDonie
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  • Can I ask you to provide usage example of `diffChangelog`? Thank you. – Arthur Sep 07 '17 at 16:01
  • I Googled it and it seems, that it's for diffs between 2 different databases, not to update changelog file, isn't it? – Arthur Sep 07 '17 at 16:16
  • See this answer: https://stackoverflow.com/questions/24002568/how-to-use-liquibase-diffchangelog-with-the-current-changelog-as-reference-to-g – SteveDonie Sep 08 '17 at 15:09