136   Incrblob *pBlob = 0;  in sqlite3_blob_open()  local
154   pBlob = (Incrblob *)sqlite3DbMallocZero(db, sizeof(Incrblob));  in sqlite3_blob_open()
157     if( !pBlob ) goto blob_open_out;  in sqlite3_blob_open()
187     pBlob->pTab = pTab;  in sqlite3_blob_open()
188     pBlob->zDb = db->aDb[sqlite3SchemaToIndex(db, pTab->pSchema)].zDbSName;  in sqlite3_blob_open()
246     pBlob->pStmt = (sqlite3_stmt *)sqlite3VdbeCreate(&sParse);  in sqlite3_blob_open()
247     assert( pBlob->pStmt || db->mallocFailed );  in sqlite3_blob_open()
248     if( pBlob->pStmt ){  in sqlite3_blob_open()
275       Vdbe *v = (Vdbe *)pBlob->pStmt;  in sqlite3_blob_open()
327     pBlob->iCol = iCol;  in sqlite3_blob_open()
328     pBlob->db = db;  in sqlite3_blob_open()
333     rc = blobSeekToRow(pBlob, iRow, &zErr);  in sqlite3_blob_open()
340     *ppBlob = (sqlite3_blob *)pBlob;  in sqlite3_blob_open()
342     if( pBlob && pBlob->pStmt ) sqlite3VdbeFinalize((Vdbe *)pBlob->pStmt);  in sqlite3_blob_open()
343     sqlite3DbFree(db, pBlob);  in sqlite3_blob_open()
357 int sqlite3_blob_close(sqlite3_blob *pBlob){  in sqlite3_blob_close()  argument
358   Incrblob *p = (Incrblob *)pBlob;  in sqlite3_blob_close()
379   sqlite3_blob *pBlob,   in blobReadWrite()  argument
386   Incrblob *p = (Incrblob *)pBlob;  in blobReadWrite()
453 int sqlite3_blob_read(sqlite3_blob *pBlob, void *z, int n, int iOffset){  in sqlite3_blob_read()  argument
454   return blobReadWrite(pBlob, z, n, iOffset, sqlite3BtreePayloadChecked);  in sqlite3_blob_read()
460 int sqlite3_blob_write(sqlite3_blob *pBlob, const void *z, int n, int iOffset){  in sqlite3_blob_write()  argument
461   return blobReadWrite(pBlob, (void *)z, n, iOffset, sqlite3BtreePutData);  in sqlite3_blob_write()
470 int sqlite3_blob_bytes(sqlite3_blob *pBlob){  in sqlite3_blob_bytes()  argument
471   Incrblob *p = (Incrblob *)pBlob;  in sqlite3_blob_bytes()
485 int sqlite3_blob_reopen(sqlite3_blob *pBlob, sqlite3_int64 iRow){  in sqlite3_blob_reopen()  argument
487   Incrblob *p = (Incrblob *)pBlob;  in sqlite3_blob_reopen()