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Add the SQLITE_FCNTL_RESET_CACHE verb. Use it to ensure that the page cache is purged before and after a the recovery extension is run.

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FossilOrigin-Name: 6db0bc4bc0d272b610bef2aeeae43f539ed6e7cc0a9cc767d5af85ecb0019d5f
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dan
2022-11-28 18:41:41 +00:00
parent e862b5fe1d
commit 1b3d13e65e
8 changed files with 82 additions and 14 deletions
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src/main.c
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@@ -3950,6 +3950,9 @@ int sqlite3_file_control(sqlite3 *db, const char *zDbName, int op, void *pArg){
sqlite3BtreeSetPageSize(pBtree, 0, iNew, 0);
}
rc = SQLITE_OK;
}else if( op==SQLITE_FCNTL_RESET_CACHE ){
sqlite3BtreeClearCache(pBtree);
rc = SQLITE_OK;
}else{
int nSave = db->busyHandler.nBusy;
rc = sqlite3OsFileControl(fd, op, pArg);