Runs migration on a specific database instance.

helpers so we can use pkg sort

extract configuration details from the given file

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

helper to create a DBConf from the given flags

findDBConf looks for a dbconf.yaml file starting at the given directory and walking up in the directory hierarchy. Returns empty string if not found.

look for migration scripts with names in the form: XXX_descriptivename.ext where XXX specifies the version number and ext specifies the type of migrat

sql string to create the goose_db_version table

Asset loads and returns the asset for the given name. It returns an error if the asset could not be found or could not be loaded.

collect all the valid looking migration scripts in the migrations folder, and key them by version

retrieve the current version for this DB. Create and initialize the DB version table if it doesn't exist.

sql string to insert the initial version table row

Checks the line to see if the line has a statement-ending semicolon or if the line contains a double-dash comment.

Split the given sql script into individual statements. The base case is to simply split on semicolons, as these naturally terminate a statement. How

common routines

AssetDir returns the file names below a certain directory embedded in the file by go-bindata. For example if you run go-bindata on data/... and data c

AssetInfo loads and returns the asset info for the given name. It returns an error if the asset could not be found or could not be loaded.

Update the version table for the given migration, and finalize the transaction.

ensure we have enough info about this driver

RestoreAsset restores an asset under the given directory

Create the goose_db_version table and insert the initial 0 value into it

drivers that we don't know about can ask for a dialect by name

Create a new DBDriver and populate driver specific fields for drivers that we know about. Further customization may be done in NewDBConf

Run a .go migration. In order to do this, we copy a modified version of the original .go migration, and execute it via `go run` along with a main()

Run a migration specified in raw SQL. Sections of the script can be annotated with a special comment, starting with "-- +goose" to specify whether th

AssetNames returns the names of the assets.

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

helper to identify the most recent possible version within a folder of migration scripts

MustAsset is like Asset but panics when Asset would return an error. It simplifies safe initialization of global variables.

RestoreAssets restores an asset under the given directory recursively