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SQLite training in Houston TX on 2019-11-05 (details)
Part of the 2019 Tcl Conference

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Overview
Comment:Experiments with an OP_Unpack opcode that extracts multiple columns from a record without caching.
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SHA1: 39ae92f5c63de4b95502f438dc7e9f2669efdf91
User & Date: drh 2015-10-15 20:17:15
Context
2015-10-15
20:17
Experiments with an OP_Unpack opcode that extracts multiple columns from a record without caching. Leaf check-in: 39ae92f5 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: 871e091d user: drh tags: trunk
Changes
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Changes to src/select.c.

Changes to src/vdbe.c.