mirror of
https://github.com/woodpecker-ci/woodpecker.git
synced 2024-12-18 08:26:45 +02:00
110 lines
3.0 KiB
Go
110 lines
3.0 KiB
Go
package migrate
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import (
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"database/sql"
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"fmt"
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"strings"
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)
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type mysqlDriver struct {
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Tx *sql.Tx
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}
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func MySQL(tx *sql.Tx) *MigrationDriver {
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return &MigrationDriver{
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Tx: tx,
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Operation: &mysqlDriver{Tx: tx},
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T: &columnType{
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AttrMap: map[int]string{AUTOINCREMENT: "AUTO_INCREMENT"},
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},
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}
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}
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func (m *mysqlDriver) CreateTable(tableName string, args []string) (sql.Result, error) {
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return m.Tx.Exec(fmt.Sprintf("CREATE TABLE %s (%s) ROW_FORMAT=DYNAMIC", tableName, strings.Join(args, ", ")))
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}
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func (m *mysqlDriver) RenameTable(tableName, newName string) (sql.Result, error) {
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return m.Tx.Exec(fmt.Sprintf("ALTER TABLE %s RENAME TO %s", tableName, newName))
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}
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func (m *mysqlDriver) DropTable(tableName string) (sql.Result, error) {
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return m.Tx.Exec(fmt.Sprintf("DROP TABLE IF EXISTS %s", tableName))
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}
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func (m *mysqlDriver) AddColumn(tableName, columnSpec string) (sql.Result, error) {
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return m.Tx.Exec(fmt.Sprintf("ALTER TABLE %s ADD COLUMN (%s)", tableName, columnSpec))
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}
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func (m *mysqlDriver) ChangeColumn(tableName, columnName, newSpecs string) (sql.Result, error) {
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return m.Tx.Exec(fmt.Sprintf("ALTER TABLE %s MODIFY %s %s", tableName, columnName, newSpecs))
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}
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func (m *mysqlDriver) DropColumns(tableName string, columnsToDrop ...string) (sql.Result, error) {
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for k, v := range columnsToDrop {
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columnsToDrop[k] = fmt.Sprintf("DROP %s", v)
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}
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return m.Tx.Exec(fmt.Sprintf("ALTER TABLE %s %s", tableName, strings.Join(columnsToDrop, ", ")))
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}
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func (m *mysqlDriver) RenameColumns(tableName string, columnChanges map[string]string) (sql.Result, error) {
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var columns []string
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tableSQL, err := m.getTableDefinition(tableName)
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if err != nil {
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return nil, err
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}
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columns, err = fetchColumns(tableSQL)
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if err != nil {
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return nil, err
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}
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var colspec []string
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for k, v := range columnChanges {
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for _, col := range columns {
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col = strings.Trim(col, " \n")
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cols := strings.SplitN(col, " ", 2)
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if quote(k) == cols[0] {
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colspec = append(colspec, fmt.Sprintf("CHANGE %s %s %s", k, v, cols[1]))
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break
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}
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}
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}
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return m.Tx.Exec(fmt.Sprintf("ALTER TABLE %s %s", tableName, strings.Join(colspec, ", ")))
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}
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func (m *mysqlDriver) AddIndex(tableName string, columns []string, flags ...string) (sql.Result, error) {
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flag := ""
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if len(flags) > 0 {
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switch strings.ToUpper(flags[0]) {
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case "UNIQUE":
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fallthrough
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case "FULLTEXT":
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fallthrough
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case "SPATIAL":
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flag = flags[0]
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}
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}
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return m.Tx.Exec(fmt.Sprintf("CREATE %s INDEX %s ON %s (%s)", flag,
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indexName(tableName, columns), tableName, strings.Join(columns, ", ")))
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}
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func (m *mysqlDriver) DropIndex(tableName string, columns []string) (sql.Result, error) {
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return m.Tx.Exec(fmt.Sprintf("DROP INDEX %s on %s", indexName(tableName, columns), tableName))
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}
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func (m *mysqlDriver) getTableDefinition(tableName string) (string, error) {
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var name, def string
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st := fmt.Sprintf("SHOW CREATE TABLE %s", tableName)
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if err := m.Tx.QueryRow(st).Scan(&name, &def); err != nil {
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return "", err
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}
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return def, nil
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}
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func quote(name string) string {
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return fmt.Sprintf("`%s`", name)
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}
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