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Overview
Comment: | Minor performance optimization in the comparison opcodes of the VDBE. |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | trunk |
Files: | files | file ages | folders |
SHA1: |
e375fe52cea7903c11ecef71c3452c67 |
User & Date: | drh 2016-04-04 13:46:24.704 |
Context
2016-04-04
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14:57 | Enhance sqlite3session_apply() and sqlite3session_apply_strm() so that conflicts are retried before the xConflict() callback is invoked, as long as the "apply" operation is making forward progress. (check-in: 42a2196684 user: drh tags: trunk) | |
13:46 | Minor performance optimization in the comparison opcodes of the VDBE. (check-in: e375fe52ce user: drh tags: trunk) | |
12:38 | Fix harmless compiler warnings. (check-in: 0213d6af84 user: drh tags: trunk) | |
Changes
Changes to src/vdbe.c.
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2012 2013 2014 2015 2016 2017 2018 | } break; } }else{ /* Neither operand is NULL. Do a comparison. */ affinity = pOp->p5 & SQLITE_AFF_MASK; if( affinity>=SQLITE_AFF_NUMERIC ){ | > | | | | | > | 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029 2030 2031 2032 | } break; } }else{ /* Neither operand is NULL. Do a comparison. */ affinity = pOp->p5 & SQLITE_AFF_MASK; if( affinity>=SQLITE_AFF_NUMERIC ){ if( (flags1 | flags3)&MEM_Str ){ if( (flags1 & (MEM_Int|MEM_Real|MEM_Str))==MEM_Str ){ applyNumericAffinity(pIn1,0); } if( (flags3 & (MEM_Int|MEM_Real|MEM_Str))==MEM_Str ){ applyNumericAffinity(pIn3,0); } } }else if( affinity==SQLITE_AFF_TEXT ){ if( (flags1 & MEM_Str)==0 && (flags1 & (MEM_Int|MEM_Real))!=0 ){ testcase( pIn1->flags & MEM_Int ); testcase( pIn1->flags & MEM_Real ); sqlite3VdbeMemStringify(pIn1, encoding, 1); testcase( (flags1&MEM_Dyn) != (pIn1->flags&MEM_Dyn) ); |
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