Recreate Tables should Recreate indexes on MySQL (#16718)
The MySQL indexes are not being renamed at the same time as RENAME table despite the CASCADE. Therefore it is probably better to just recreate the indexes instead. Signed-off-by: Andrew Thornton <art27@cantab.net> Co-authored-by: 6543 <6543@obermui.de>
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@ -597,11 +597,26 @@ func recreateTable(sess *xorm.Session, bean interface{}) error {
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return err
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}
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if err := sess.Table(tempTableName).DropIndexes(bean); err != nil {
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log.Error("Unable to drop indexes on temporary table %s. Error: %v", tempTableName, err)
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return err
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}
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// SQLite and MySQL will move all the constraints from the temporary table to the new table
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if _, err := sess.Exec(fmt.Sprintf("ALTER TABLE `%s` RENAME TO `%s`", tempTableName, tableName)); err != nil {
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log.Error("Unable to rename %s to %s. Error: %v", tempTableName, tableName, err)
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return err
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}
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if err := sess.Table(tableName).CreateIndexes(bean); err != nil {
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log.Error("Unable to recreate indexes on table %s. Error: %v", tableName, err)
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return err
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}
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if err := sess.Table(tableName).CreateUniques(bean); err != nil {
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log.Error("Unable to recreate uniques on table %s. Error: %v", tableName, err)
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return err
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}
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case setting.Database.UsePostgreSQL:
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var originalSequences []string
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type sequenceData struct {
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