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Overview
| Comment: | Fix a problem preventing doclist indexes from being loaded. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | fts5 |
| Files: | files | file ages | folders |
| SHA1: |
b29109a083e5cd442cdd19f29d7be45b |
| User & Date: | dan 2015-04-15 16:01:42 |
Context
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2015-04-15
| ||
| 18:49 | Logically store updates as (insert+delete) within the FTS tree. This allows keys to be annihilated more quickly under some circumstances. (check-in: 50fae1f0 user: dan tags: fts5) | |
| 16:01 | Fix a problem preventing doclist indexes from being loaded. (check-in: b29109a0 user: dan tags: fts5) | |
|
2015-04-14
| ||
| 20:15 | Begin changing fts5 to use a delete flag so that delete markers may be annihilated more quickly. (check-in: 9341c070 user: dan tags: fts5) | |
Changes
Changes to ext/fts5/fts5_index.c.
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** load the doclist-index from disk and initialize an iterator at
** (pIter->pDlidx).
*/
static void fts5SegIterLoadDlidx(Fts5Index *p, int iIdx, Fts5SegIter *pIter){
int iSeg = pIter->pSeg->iSegid;
int bRev = (pIter->flags & FTS5_SEGITER_REVERSE);
Fts5Data *pLeaf = pIter->pLeaf; /* Current leaf data */
int iOff = pIter->iLeafOffset; /* Byte offset within current leaf */
assert( pIter->flags & FTS5_SEGITER_ONETERM );
assert( pIter->pDlidx==0 );
/* Check if the current doclist ends on this page. If it does, return
** early without loading the doclist-index (as it belongs to a different
** term. */
if( pIter->iTermLeafPgno==pIter->iLeafPgno ){
int nPos = pIter->nPos;
while( iOff<pLeaf->n ){
i64 iDelta;
/* iOff is currently the offset of the start of position list data */
iOff += nPos;
iOff += getVarint(&pLeaf->p[iOff], (u64*)&iDelta);
if( iDelta==0 ) return;
if( iOff<pLeaf->n ){
int bDummy;
iOff += fts5GetPoslistSize(&pLeaf->p[iOff], &nPos, &bDummy);
}
}
}
fts5DlidxIterInit(p, bRev, iIdx, iSeg, pIter->iTermLeafPgno, &pIter->pDlidx);
}
................................................................................
}
if( rc==SQLITE_OK && ck1!=ck2 ) rc = FTS5_CORRUPT;
/* If this is a prefix query, check that the results returned if the
** the index is disabled are the same. In both ASC and DESC order. */
if( iIdx>0 && rc==SQLITE_OK ){
int f = flags|FTS5INDEX_QUERY_TEST_NOIDX;
static int nCall = 0;
nCall++;
ck2 = 0;
rc = fts5QueryCksum(p, z, n, f, &ck2);
if( rc==SQLITE_OK && ck1!=ck2 ) rc = FTS5_CORRUPT;
}
if( iIdx>0 && rc==SQLITE_OK ){
int f = flags|FTS5INDEX_QUERY_TEST_NOIDX|FTS5INDEX_QUERY_DESC;
ck2 = 0;
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** load the doclist-index from disk and initialize an iterator at
** (pIter->pDlidx).
*/
static void fts5SegIterLoadDlidx(Fts5Index *p, int iIdx, Fts5SegIter *pIter){
int iSeg = pIter->pSeg->iSegid;
int bRev = (pIter->flags & FTS5_SEGITER_REVERSE);
Fts5Data *pLeaf = pIter->pLeaf; /* Current leaf data */
assert( pIter->flags & FTS5_SEGITER_ONETERM );
assert( pIter->pDlidx==0 );
/* Check if the current doclist ends on this page. If it does, return
** early without loading the doclist-index (as it belongs to a different
** term. */
if( pIter->iTermLeafPgno==pIter->iLeafPgno ){
int iOff = pIter->iLeafOffset + pIter->nPos;
while( iOff<pLeaf->n ){
i64 iDelta;
/* iOff is currently the offset of the start of position list data */
iOff += getVarint(&pLeaf->p[iOff], (u64*)&iDelta);
if( iDelta==0 ) return;
if( iOff<pLeaf->n ){
int bDummy;
int nPos;
iOff += fts5GetPoslistSize(&pLeaf->p[iOff], &nPos, &bDummy);
iOff += nPos;
}
}
}
fts5DlidxIterInit(p, bRev, iIdx, iSeg, pIter->iTermLeafPgno, &pIter->pDlidx);
}
................................................................................
}
if( rc==SQLITE_OK && ck1!=ck2 ) rc = FTS5_CORRUPT;
/* If this is a prefix query, check that the results returned if the
** the index is disabled are the same. In both ASC and DESC order. */
if( iIdx>0 && rc==SQLITE_OK ){
int f = flags|FTS5INDEX_QUERY_TEST_NOIDX;
ck2 = 0;
rc = fts5QueryCksum(p, z, n, f, &ck2);
if( rc==SQLITE_OK && ck1!=ck2 ) rc = FTS5_CORRUPT;
}
if( iIdx>0 && rc==SQLITE_OK ){
int f = flags|FTS5INDEX_QUERY_TEST_NOIDX|FTS5INDEX_QUERY_DESC;
ck2 = 0;
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