37 lines
978 B
Go
37 lines
978 B
Go
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package migrate
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import (
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"database/sql"
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)
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// Operation interface covers basic migration operations.
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// Implementation details is specific for each database,
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// see migrate/sqlite.go for implementation reference.
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type Operation interface {
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CreateTable(tableName string, args []string) (sql.Result, error)
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RenameTable(tableName, newName string) (sql.Result, error)
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DropTable(tableName string) (sql.Result, error)
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AddColumn(tableName, columnSpec string) (sql.Result, error)
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ChangeColumn(tableName, columnName, newType string) (sql.Result, error)
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DropColumns(tableName string, columnsToDrop []string) (sql.Result, error)
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RenameColumns(tableName string, columnChanges map[string]string) (sql.Result, error)
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AddIndex(tableName string, columns []string, flag string) (sql.Result, error)
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DropIndex(tableName string, columns[]string) (sql.Result, error)
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}
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type MigrationDriver struct {
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Tx *sql.Tx
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Operation
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}
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type DriverBuilder func(tx *sql.Tx) *MigrationDriver
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