This is a database check that verifies that user is not running old version of JIRA on the data in the database created by more recent version of JIRA.
A health check which checks that the collation being used by the current database is one that JIRA supports.
Embedded database check that stops JIRA startup if unsupported HSQL is detected.
Checks that a valid JDBC driver is available.
Ensure that the current data is recent enough to be upgraded to this version of JIRA Sometimes upgrades from very old versions need to be performed by first upgrading to an intermediate version.
Perform checks specific for configured MySQL 5.7 database type.
If JIRA is using MySQL, this HealthCheck checks whether the JDBC URL contains the deprecated parameter 'storage_engine'.
A checker that will print a log message if the database is Postgres and the schema name contains upper case.
A HealthCheck that looks in the entityengine.xml for a specific misconfiguration, the combination of setting schema-name to PUBLIC (upper case) on a database other than H2 or HSQL.
What versions of databases JIRA supports, based off https://confluence.atlassian.com/x/bO7ANw and https://confluence.atlassian.com/adminjiraserver080/supported-platforms-967896891.html
Checks the database version to see that it's supported
Represents the stateful answer to the query of whether a given table contains a given column.
Check that we are not trying to use HSQL, which is unsupported
Represents a database application version
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