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Overview
Comment:Merge change to drop the mutex on the multiplexor before entering the xRead VFS call, in order to enhance parallelizability.
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SHA1:3c566e41e4c9c66960cc5a3ddee8556835237999
User & Date: drh 2013-11-08 12:14:50
Context
2013-11-08
15:19
Performance improvements: Avoid unnecessary seeks when doing a single-row UPDATE on a WITHOUT ROWID table. check-in: 6f187a0f user: drh tags: trunk
12:14
Merge change to drop the mutex on the multiplexor before entering the xRead VFS call, in order to enhance parallelizability. check-in: 3c566e41 user: drh tags: trunk
01:09
Optimize out a NotExists/NotFound opcode that occurs in UPDATE processing after constraint checks if there is no possiblity that the constraint checking code might have moved the cursor. check-in: 74e3ee2e user: drh tags: trunk
2013-10-21
13:15
Drop the mutex on the multiplexor before entering the xRead VFS call. Closed-Leaf check-in: a00d2ed4 user: drh tags: multiplex-parallel-read
Changes
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Changes to src/test_multiplex.c.