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|20:17||Experiments with an OP_Unpack opcode that extracts multiple columns from a record without caching. Leaf check-in: 39ae92f5c6 user: drh tags: unpack-opcode|
|19:21||Enhance the use of the column cache for UPDATE statements, making them more efficient for the case where a column is modified to be an expression of other unmodified columns. check-in: 871e091df6 user: drh tags: trunk|