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Overview
Comment: | Remove an unreachable branch from the index-on-expression optimization. |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | trunk |
Files: | files | file ages | folders |
SHA3-256: |
2df2cf4f179dd88fb2530dfd338f344a |
User & Date: | drh 2018-09-16 18:23:48.660 |
Context
2018-09-17
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12:49 | Fix missing space in 'configure.ac' reported on the mailing list. (check-in: 96b00a3cd2 user: mistachkin tags: trunk) | |
2018-09-16
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23:27 | First proposed fix for the ALTER TABLE problem described by ticket [b41031ea2b5372378cb3d2d] (check-in: 05a9d12925 user: drh tags: tkt-b41031ea) | |
18:23 | Remove an unreachable branch from the index-on-expression optimization. (check-in: 2df2cf4f17 user: drh tags: trunk) | |
16:34 | Fix a memory leak in the explain extension. (check-in: d0c92b047a user: drh tags: trunk) | |
Changes
Changes to src/update.c.
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91 92 93 94 95 96 97 98 99 100 | static int indexColumnIsBeingUpdated( Index *pIdx, /* The index to check */ int iCol, /* Which column of the index to check */ int *aXRef, /* aXRef[j]>=0 if column j is being updated */ int chngRowid /* true if the rowid is being updated */ ){ i16 iIdxCol = pIdx->aiColumn[iCol]; if( iIdxCol>=0 ){ return aXRef[iIdxCol]>=0; } | > < | 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 | static int indexColumnIsBeingUpdated( Index *pIdx, /* The index to check */ int iCol, /* Which column of the index to check */ int *aXRef, /* aXRef[j]>=0 if column j is being updated */ int chngRowid /* true if the rowid is being updated */ ){ i16 iIdxCol = pIdx->aiColumn[iCol]; assert( iIdxCol!=XN_ROWID ); /* Cannot index rowid */ if( iIdxCol>=0 ){ return aXRef[iIdxCol]>=0; } assert( iIdxCol==XN_EXPR ); assert( pIdx->aColExpr!=0 ); assert( pIdx->aColExpr->a[iCol].pExpr!=0 ); return sqlite3ExprReferencesUpdatedColumn(pIdx->aColExpr->a[iCol].pExpr, aXRef,chngRowid); } |
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