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Fix an fts5 problem that could occur when mixing regular and secure delete operations on a single table.

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FossilOrigin-Name: 8eb3f40021994f0d25ef9d246873796c84886e5951bb8ab991e1e2df31998484
This commit is contained in:
dan
2023-11-23 11:18:06 +00:00
parent 5d175eb020
commit 226aebae07
5 changed files with 160 additions and 18 deletions
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22
ext/fts5/fts5_index.c
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@ -5137,18 +5137,24 @@ static void fts5DoSecureDelete(
iOff = iStart;
/* Set variable bLastInDoclist to true if this entry happens to be
** the last rowid in the doclist for its term. */
/* If the position-list for the entry being removed flows over past
** the end of this page, delete the portion of the position-list on the
** next page and beyond.
**
** Set variable bLastInDoclist to true if this entry happens
** to be the last rowid in the doclist for its term. */
if( iNextOff>=iPgIdx ){
int pgno = pSeg->iLeafPgno+1;
fts5SecureDeleteOverflow(p, pSeg->pSeg, pgno, &bLastInDoclist);
iNextOff = iPgIdx;
}
if( pSeg->bDel==0 ){
if( iNextOff>=iPgIdx ){
int pgno = pSeg->iLeafPgno+1;
fts5SecureDeleteOverflow(p, pSeg->pSeg, pgno, &bLastInDoclist);
iNextOff = iPgIdx;
}else{
if( iNextOff!=iPgIdx ){
/* Loop through the page-footer. If iNextOff (offset of the
** entry following the one we are removing) is equal to the
** offset of a key on this page, then the entry is the last
** in its doclist. */
** in its doclist. */
int iKeyOff = 0;
for(iIdx=0; iIdx<nIdx; /* no-op */){
u32 iVal = 0;