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Overview
| Comment: | Fix an fts5 problem that could occur if a term and the first associated rowid are on different leaf pages. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | fts5-incompatible |
| Files: | files | file ages | folders |
| SHA1: |
ffe2796ac9244c62325fce4960f26c65 |
| User & Date: | dan 2015-09-10 10:01:30 |
Context
|
2015-09-10
| ||
| 10:40 | Revert an accidentally committed makefile change. check-in: 402704b1 user: dan tags: fts5-incompatible | |
| 10:01 | Fix an fts5 problem that could occur if a term and the first associated rowid are on different leaf pages. check-in: ffe2796a user: dan tags: fts5-incompatible | |
| 05:40 | Change the array of 16-bit offsets at the end of each page to an array of varints. check-in: fab245be user: dan tags: fts5-incompatible | |
Changes
Changes to ext/fts5/fts5_index.c.
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/*
** Load the next leaf page into the segment iterator.
*/
static void fts5SegIterNextPage(
Fts5Index *p, /* FTS5 backend object */
Fts5SegIter *pIter /* Iterator to advance to next page */
){
Fts5StructureSegment *pSeg = pIter->pSeg;
fts5DataRelease(pIter->pLeaf);
pIter->iLeafPgno++;
if( pIter->pNextLeaf ){
assert( pIter->iLeafPgno<=pSeg->pgnoLast );
pIter->pLeaf = pIter->pNextLeaf;
pIter->pNextLeaf = 0;
................................................................................
}else if( pIter->iLeafPgno<=pSeg->pgnoLast ){
pIter->pLeaf = fts5DataRead(p,
FTS5_SEGMENT_ROWID(pSeg->iSegid, 0, pIter->iLeafPgno)
);
}else{
pIter->pLeaf = 0;
}
if( pIter->pLeaf ){
if( fts5LeafIsTermless(pIter->pLeaf) ){
pIter->iEndofDoclist = pIter->pLeaf->nn+1;
}else{
pIter->iEndofDoclist = fts5LeafFirstTermOff(pIter->pLeaf);
}
}
}
/*
** Argument p points to a buffer containing a varint to be interpreted as a
** position list size field. Read the varint and return the number of bytes
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/*
** Load the next leaf page into the segment iterator.
*/
static void fts5SegIterNextPage(
Fts5Index *p, /* FTS5 backend object */
Fts5SegIter *pIter /* Iterator to advance to next page */
){
Fts5Data *pLeaf;
Fts5StructureSegment *pSeg = pIter->pSeg;
fts5DataRelease(pIter->pLeaf);
pIter->iLeafPgno++;
if( pIter->pNextLeaf ){
assert( pIter->iLeafPgno<=pSeg->pgnoLast );
pIter->pLeaf = pIter->pNextLeaf;
pIter->pNextLeaf = 0;
................................................................................
}else if( pIter->iLeafPgno<=pSeg->pgnoLast ){
pIter->pLeaf = fts5DataRead(p,
FTS5_SEGMENT_ROWID(pSeg->iSegid, 0, pIter->iLeafPgno)
);
}else{
pIter->pLeaf = 0;
}
pLeaf = pIter->pLeaf;
if( pLeaf ){
pIter->iPgidxOff = pLeaf->szLeaf;
if( fts5LeafIsTermless(pLeaf) ){
pIter->iEndofDoclist = pLeaf->nn+1;
}else{
pIter->iPgidxOff += fts5GetVarint32(&pLeaf->p[pIter->iPgidxOff],
pIter->iEndofDoclist
);
}
}
}
/*
** Argument p points to a buffer containing a varint to be interpreted as a
** position list size field. Read the varint and return the number of bytes
|