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Overview
Comment: | Make sure the automatic index optimization is checked even if the covering index scan optimization was previously selected. |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | trunk |
Files: | files | file ages | folders |
SHA1: |
ac1d5d8a553d8ba76a332eed9d563ce7 |
User & Date: | drh 2012-10-26 18:40:01.620 |
Context
2012-10-26
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19:22 | Fix a 32-bit integer overflow problem that could cause an error in a CREATE INDEX statement that writes more than 16GB of data. (check-in: e24ba5bee4 user: dan tags: trunk) | |
18:40 | Make sure the automatic index optimization is checked even if the covering index scan optimization was previously selected. (check-in: ac1d5d8a55 user: drh tags: trunk) | |
13:46 | Add QNX-specific performance tweaks to the unix VFS. (Cherry-pick merge of [b02849e7bde458].) (check-in: 63a7dd75e6 user: drh tags: trunk) | |
Changes
Changes to src/where.c.
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1811 1812 1813 1814 1815 1816 1817 | /* There is no point in building an automatic index for a single scan */ return; } if( (pParse->db->flags & SQLITE_AutoIndex)==0 ){ /* Automatic indices are disabled at run-time */ return; } | | > > | 1811 1812 1813 1814 1815 1816 1817 1818 1819 1820 1821 1822 1823 1824 1825 1826 1827 | /* There is no point in building an automatic index for a single scan */ return; } if( (pParse->db->flags & SQLITE_AutoIndex)==0 ){ /* Automatic indices are disabled at run-time */ return; } if( (p->cost.plan.wsFlags & WHERE_NOT_FULLSCAN)!=0 && (p->cost.plan.wsFlags & WHERE_COVER_SCAN)==0 ){ /* We already have some kind of index in use for this query. */ return; } if( pSrc->notIndexed ){ /* The NOT INDEXED clause appears in the SQL. */ return; } |
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