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Overview
| Comment: | Be sure to initialize the sqlite3_rtree_query_info.iRowid field for the leaves of the R-Tree when doing a query callback search. |
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| Downloads: | Tarball | ZIP archive |
| Timelines: | family | ancestors | descendants | both | rtree-enhancements |
| Files: | files | file ages | folders |
| SHA1: |
4394693882c04c19ebe87ef7547c57e6 |
| User & Date: | drh 2014-04-21 15:53:45.432 |
Context
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2014-04-21
| ||
| 18:13 | Fix the generation of sqlite3_rtree_query_info.iRowid and add test cases to verify that it is fixed. (check-in: eba95ead49 user: drh tags: rtree-enhancements) | |
| 15:53 | Be sure to initialize the sqlite3_rtree_query_info.iRowid field for the leaves of the R-Tree when doing a query callback search. (check-in: 4394693882 user: drh tags: rtree-enhancements) | |
| 15:21 | Fix an off-by-one error in setting the "iLevel" field of the sqlite3_rtree_query_info structure passed into the RTree query callback. (check-in: d708f159ab user: drh tags: rtree-enhancements) | |
Changes
Changes to ext/rtree/rtree.c.
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int nCoord = pInfo->nCoord; /* No. of coordinates */
int rc; /* Callback return code */
sqlite3_rtree_dbl aCoord[RTREE_MAX_DIMENSIONS*2]; /* Decoded coordinates */
assert( pConstraint->op==RTREE_MATCH || pConstraint->op==RTREE_QUERY );
assert( nCoord==2 || nCoord==4 || nCoord==6 || nCoord==8 || nCoord==10 );
pCellData += 8;
for(i=0; i<nCoord; i++, pCellData += 4){
RTREE_DECODE_COORD(eInt, pCellData, aCoord[i]);
}
if( pConstraint->op==RTREE_MATCH ){
rc = pConstraint->u.xGeom((sqlite3_rtree_geometry*)pInfo,
nCoord, aCoord, &i);
| > > > | 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 |
int nCoord = pInfo->nCoord; /* No. of coordinates */
int rc; /* Callback return code */
sqlite3_rtree_dbl aCoord[RTREE_MAX_DIMENSIONS*2]; /* Decoded coordinates */
assert( pConstraint->op==RTREE_MATCH || pConstraint->op==RTREE_QUERY );
assert( nCoord==2 || nCoord==4 || nCoord==6 || nCoord==8 || nCoord==10 );
if( pConstraint->op==RTREE_MATCH && pSearch->iLevel==1 ){
pInfo->iRowid = readInt64(pCellData);
}
pCellData += 8;
for(i=0; i<nCoord; i++, pCellData += 4){
RTREE_DECODE_COORD(eInt, pCellData, aCoord[i]);
}
if( pConstraint->op==RTREE_MATCH ){
rc = pConstraint->u.xGeom((sqlite3_rtree_geometry*)pInfo,
nCoord, aCoord, &i);
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