EnsureDBVersion retrieves the current version for this DB, creating and initializing the DB version table if it doesn't exist.

wrapper for EnsureDBVersion for callers that don't already have their own DB instance.

extract configuration details from the given file.

OpenDBFromDBConf wraps database/sql.DB.Open() and configures the newly opened DB based on the given DBConf.

Runs migration on a specific database instance.

DBDriver encapsulates the info needed to work with a specific database driver.

SqlDialect abstracts the details of specific SQL dialects for goose's few SQL specific statements.