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7cf4f2eb89
Requirements: MySQL/MariaDB need to be configured with this settings: innodb_file_format = Barracuda innodb_file_per_table = On innodb_large_prefix = On to support key prefix length up to 3042 bytes. MySQL/MariaDB DSN will need this parameter: parseTime=true as per [1] The migration system itself mostly inspired by Rails (ActiveRecord), but it still rough at the edges. Could use some inputs. Next Todo: more testing! [1] https://github.com/go-sql-driver/mysql#parsetime
63 lines
1.2 KiB
Go
63 lines
1.2 KiB
Go
package database
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import (
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"database/sql"
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"fmt"
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"github.com/drone/drone/pkg/database/migrate"
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_ "github.com/go-sql-driver/mysql"
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_ "github.com/mattn/go-sqlite3"
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"github.com/russross/meddler"
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)
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// global instance of our database connection.
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var db *sql.DB
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// Init connects to database and performs migration if necessary.
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//
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// Database driver name and data source information is provided by user
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// from within command line, and error checking is deferred to sql.Open.
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//
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// Init will just bail out and returns error if driver name
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// is not listed, no fallback nor default driver sets here.
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func Init(name, datasource string) error {
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var err error
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driver := map[string]struct {
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Md *meddler.Database
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Mg migrate.DriverBuilder
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}{
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"sqlite3": {
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meddler.SQLite,
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migrate.SQLite,
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},
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"mysql": {
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meddler.MySQL,
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migrate.MySQL,
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},
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}
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if drv, ok := driver[name]; ok {
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meddler.Default = drv.Md
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migrate.Driver = drv.Mg
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} else {
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return fmt.Errorf("%s driver not found", name)
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}
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db, err = sql.Open(name, datasource)
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if err != nil {
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return err
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}
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migration := migrate.New(db)
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if err := migration.All().Migrate(); err != nil {
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return err
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}
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return nil
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}
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func Close() {
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db.Close()
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}
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