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-rw-r--r--src/analyze.c19
1 files changed, 11 insertions, 8 deletions
diff --git a/src/analyze.c b/src/analyze.c
index 774eeeed2..fc8680d78 100644
--- a/src/analyze.c
+++ b/src/analyze.c
@@ -1797,12 +1797,13 @@ static int loadStatTbl(
while( sqlite3_step(pStmt)==SQLITE_ROW ){
int nIdxCol = 1; /* Number of columns in stat4 records */
- char *zIndex; /* Index name */
- Index *pIdx; /* Pointer to the index object */
- int nSample; /* Number of samples */
- int nByte; /* Bytes of space required */
- int i; /* Bytes of space required */
- tRowcnt *pSpace;
+ char *zIndex; /* Index name */
+ Index *pIdx; /* Pointer to the index object */
+ int nSample; /* Number of samples */
+ int nByte; /* Bytes of space required */
+ int i; /* Bytes of space required */
+ tRowcnt *pSpace; /* Available allocated memory space */
+ u8 *pPtr; /* Available memory as a u8 for easier manipulation */
zIndex = (char *)sqlite3_column_text(pStmt, 0);
if( zIndex==0 ) continue;
@@ -1822,7 +1823,7 @@ static int loadStatTbl(
}
pIdx->nSampleCol = nIdxCol;
pIdx->mxSample = nSample;
- nByte = sizeof(IndexSample) * nSample;
+ nByte = ROUND8(sizeof(IndexSample) * nSample);
nByte += sizeof(tRowcnt) * nIdxCol * 3 * nSample;
nByte += nIdxCol * sizeof(tRowcnt); /* Space for Index.aAvgEq[] */
@@ -1831,7 +1832,9 @@ static int loadStatTbl(
sqlite3_finalize(pStmt);
return SQLITE_NOMEM_BKPT;
}
- pSpace = (tRowcnt*)&pIdx->aSample[nSample];
+ pPtr = (u8*)pIdx->aSample;
+ pPtr += ROUND8(nSample*sizeof(pIdx->aSample[0]));
+ pSpace = (tRowcnt*)pPtr;
assert( EIGHT_BYTE_ALIGNMENT( pSpace ) );
pIdx->aAvgEq = pSpace; pSpace += nIdxCol;
pIdx->pTable->tabFlags |= TF_HasStat4;