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Overview
| Comment: | Put a limit counter on the query planner that restricts the number of index+constraint options that can be considered for each table in a join. This prevents certain pathological queries from taking up too much time in the query planner. |
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| Downloads: | Tarball | ZIP archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA3-256: |
8690b5a0cc08eeb175230de45d4ca9b9 |
| User & Date: | drh 2018-09-21 18:43:51.308 |
Context
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2018-09-21
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| 19:06 | Comment typo fixed. No code changes. (check-in: 7e68cdab20 user: drh tags: trunk) | |
| 18:43 | Put a limit counter on the query planner that restricts the number of index+constraint options that can be considered for each table in a join. This prevents certain pathological queries from taking up too much time in the query planner. (check-in: 8690b5a0cc user: drh tags: trunk) | |
| 13:07 | Optimization to the OP_MakeRecord opcode makes speed-check.sh run about 1.1 million cycles faster, and results in a slightly smaller library. (check-in: d10e636291 user: drh tags: trunk) | |
Changes
Changes to src/where.c.
Changes to src/whereInt.h.