0d: Operation Code 0x0e - 0x0f: Change # CLS 0x10 - 0x11: Change # AFN 0x12 - 0x13: Change # TYPE 0x14 - 0x17: Change # DBA 0x18 - 0x1d: Change # SCN 0x1e - ....: Redo Data } } 4, Operation Layer Operation Code Layer = 5 (Transaction Undo)
0d: Operation Code0x0e - 0x0f: Change # CLS
0x10 - 0x11: Change # AFN
0x12 - 0x13: Change # TYPE
0x14 - 0x17: Change # DBA
0x18 - 0x1d: Change # SCN
0x1e - ....: Redo Data
}
}
4, Operation Layer & Operation Code
Layer = 5 (Transaction Undo)
Op Code = 3 (Rollout a transaction begin)
= 4 (Commit transaction/Transaction table update - no undo record)
= 7 (Begin transaction/Transaction table update)
= 8 (Mark transaction as dead)
Layer = 11 (Row Access)
Op Code = 1 Interpret Undo Record
= 2 Insert Row Piece
= 3 Drop Row Piece
= 4 Lock Row Piece
= 5 Update Row Piece
= 6 Overwrite Row Piece
= 7 Manipulate First Column
= 8 Change forward address
= 9 Change Cluster key index
= 10 Set key links
= 11 Quick Multi-Insert (Insert ... select ...)
= 12 Quick Multi-Delete
= 13 Toggle block header flags
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