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Overview
Comment: | Performance improvement in the OP_Column opcode. |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | trunk |
Files: | files | file ages | folders |
SHA1: |
4737cadc414c5f6d256fcceacb19d80d |
User & Date: | drh 2016-05-19 16:58:42.935 |
Context
2016-05-19
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17:51 | Optimization marks in vdbe.c. No logic changes. (check-in: cf2737415a user: drh tags: trunk) | |
16:58 | Performance improvement in the OP_Column opcode. (check-in: 4737cadc41 user: drh tags: trunk) | |
16:21 | Add test cases to test some fts3/4 edge case behaviour surrounding the '*' character. (check-in: 1f577e1f08 user: dan tags: trunk) | |
Changes
Changes to src/vdbe.c.
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2481 2482 2483 2484 2485 2486 2487 | 2481 2482 2483 2484 2485 2486 2487 2488 2489 2490 2491 2492 2493 2494 2495 2496 2497 2498 2499 2500 2501 2502 2503 2504 2505 2506 2507 2508 2509 2510 2511 2512 2513 2514 2515 2516 2517 2518 2519 2520 2521 2522 2523 2524 2525 2526 2527 2528 2529 | - - - - - - - - + + + + + + + + + - + - | ** 3-byte type for each of the maximum of 32768 columns plus three ** extra bytes for the header length itself. 32768*3 + 3 = 98307. */ if( offset > 98307 || offset > pC->payloadSize ){ rc = SQLITE_CORRUPT_BKPT; goto abort_due_to_error; } |
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