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Overview
| Comment: | The sqlite3_blob_close() interface can cause recursive invocations of nodeBlobReset() in RTREE. Make sure that does not cause problems. |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | rtree-sqlite3_blob |
| Files: | files | file ages | folders |
| SHA1: |
88333441cbf26bfde2acebf2a3f75b5e |
| User & Date: | drh 2017-02-02 15:35:54 |
Context
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2017-02-02
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| 16:08 | Fix a potential uninitialized (though harmless) variable in RTREE. check-in: a1c74e09 user: drh tags: rtree-sqlite3_blob | |
| 15:35 | The sqlite3_blob_close() interface can cause recursive invocations of nodeBlobReset() in RTREE. Make sure that does not cause problems. check-in: 88333441 user: drh tags: rtree-sqlite3_blob | |
| 14:40 | Change RTREE so that the sqlite3_blob object is closed whenever the cursor count drops to zero and there is not a pending write transaction. check-in: 9bb4eafe user: drh tags: rtree-sqlite3_blob | |
Changes
Changes to ext/rtree/rtree.c.
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}
/*
** Clear the Rtree.pNodeBlob object
*/
static void nodeBlobReset(Rtree *pRtree){
if( pRtree->pNodeBlob && pRtree->inWrTrans==0 && pRtree->nCursor==0 ){
sqlite3_blob_close(pRtree->pNodeBlob);
pRtree->pNodeBlob = 0;
}
}
/*
** Obtain a reference to an r-tree node.
*/
static int nodeAcquire(
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| > |
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}
/*
** Clear the Rtree.pNodeBlob object
*/
static void nodeBlobReset(Rtree *pRtree){
if( pRtree->pNodeBlob && pRtree->inWrTrans==0 && pRtree->nCursor==0 ){
sqlite3_blob *pBlob = pRtree->pNodeBlob;
pRtree->pNodeBlob = 0;
sqlite3_blob_close(pBlob);
}
}
/*
** Obtain a reference to an r-tree node.
*/
static int nodeAcquire(
|