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Overview
Comment: | Fix an off-by-one error in the dist3 algorithm of the spellfix extension. |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | trunk |
Files: | files | file ages | folders |
SHA3-256: |
5c34af7b975598bbe20751dfdd346f43 |
User & Date: | drh 2018-03-30 15:59:54.149 |
Context
2018-03-30
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16:34 | Fix a bug in the spellfix extension causing it to compute suboptimal answers. The problem was introduced by check-in [afd6fbc01052ccfc9]. (check-in: 3bf28fd9a7 user: drh tags: trunk) | |
15:59 | Fix an off-by-one error in the dist3 algorithm of the spellfix extension. (check-in: 5c34af7b97 user: drh tags: trunk) | |
2018-03-29
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16:54 | Another change to test file zipfile.test to help it run on systems without "unzip". (check-in: b6252feb12 user: dan tags: trunk) | |
Changes
Changes to ext/misc/spellfix.c.
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760 761 762 763 764 765 766 | int nTo = zTo ? sqlite3_column_bytes(pStmt, 2) : 0; int iCost = sqlite3_column_int(pStmt, 3); assert( zFrom!=0 || nFrom==0 ); assert( zTo!=0 || nTo==0 ); if( nFrom>100 || nTo>100 ) continue; if( iCost<0 ) continue; | | | 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 | int nTo = zTo ? sqlite3_column_bytes(pStmt, 2) : 0; int iCost = sqlite3_column_int(pStmt, 3); assert( zFrom!=0 || nFrom==0 ); assert( zTo!=0 || nTo==0 ); if( nFrom>100 || nTo>100 ) continue; if( iCost<0 ) continue; if( iCost>=10000 ) continue; /* Costs above 10K are considered infinite */ if( pLang==0 || iLang!=iLangPrev ){ EditDist3Lang *pNew; pNew = sqlite3_realloc64(p->a, (p->nLang+1)*sizeof(p->a[0])); if( pNew==0 ){ rc = SQLITE_NOMEM; break; } p->a = pNew; pLang = &p->a[p->nLang]; p->nLang++; |
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