Package com.atlassian.confluence.internal.upgrade.constraint.dedup

Interface DedupeStrategy

All Known Implementing Classes:
JustFailDedupeStrategy, KeepBiggestIdDedupeStrategy, KeepOneDedupeStrategy, KeepSmallestIdDedupeStrategy, MergeToSmallestIdDedupeStrategy
public interface DedupeStrategy
Decide how to remove duplicates so a unique constraint can be added Note: Tables with composite keys are not supported.
Since:
7.1.0

  • Method Summary

    Modifier and Type
    Method
    Description
    void
    perform(org.springframework.jdbc.core.JdbcTemplate jdbcTemplate, SortedSet<Object> ids)
    Remove duplicates so a unique constraint can be added

  • Method Details

    • perform

      void perform(org.springframework.jdbc.core.JdbcTemplate jdbcTemplate, SortedSet<Object> ids) throws UpgradeException
      Remove duplicates so a unique constraint can be added
      Parameters:
      jdbcTemplate - A JdbcTemplate to be used
      ids - Set of Ids of duplicate rows in DB. Upon invocation of this method, only one of them can remain in the DB. All Confluence primary keys are of type Long or String so they can be used in SortedSet.
      Throws:
      UpgradeException - Thrown if there is any error removing duplicates, will cancel the constraint adding process