contrib/sqlite3/sqlite3.c

1312   int (*xFetch)(sqlite3_file*, sqlite3_int64 iOfst, int iAmt, void **pp);
6993 ** [[the xFetch() page cache methods]]
6994 ** The xFetch() method locates a page in the cache and returns a pointer to
7003 ** is 1.  After it has been retrieved using xFetch, the page is considered
7021 ** ^(SQLite will normally invoke xFetch() with a createFlag of 0 or 1.  SQLite
7023 ** failed.)^  In between the to xFetch() calls, SQLite may
7038 ** to xFetch().
7075   sqlite3_pcache_page *(*xFetch)(sqlite3_pcache*, unsigned key, int createFlag);
7097   void *(*xFetch)(sqlite3_pcache*, unsigned key, int createFlag);
15239 /* The real implementation of xFetch and xUnfetch */
15242   return id->pMethods->xFetch(id, iOff, iAmt, pp);
23113   int nFetchOut;                      /* Number of outstanding xFetch refs */
27812 ** outstanding xFetch() references to it, this function is a no-op.
27904   ** xFetch references. Or, if p!=0 (meaning it is an xFetch reference),
27980    unixFetch,                  /* xFetch */                                  \
30871   int nFetchOut;                /* Number of outstanding xFetch references */
34342 ** outstanding xFetch() references to it, this function is a no-op.
34496   ** xFetch references. Or, if p!=0 (meaning it is an xFetch reference),
34552   winFetch,                       /* xFetch */
36285     pPage = sqlite3GlobalConfig.pcache2.xFetch(pCache->pCache, pgno, eCreate);
36320     pPage = sqlite3GlobalConfig.pcache2.xFetch(pCache->pCache, pgno, 2);
37320 ** Implementation of the sqlite3_pcache.xFetch method.
37617     pcache1Fetch,            /* xFetch */
38991   u8 bUseFetch;               /* True to use xFetch() */
39106 ** The macro USEFETCH is true if we are allowed to use the xFetch and xUnfetch
42193 ** The new object will use the pointer pData, obtained from xFetch().
42204   void *pData,                    /* xFetch()'d data for this page */
56803       ** case they are holding a reference to an xFetch reference
57941   ** required in case any of them are holding references to an xFetch
73704   0,                /* xFetch */
94135   ** upper layers will never invoke the xFetch interfaces to the VFS.