Lines Matching defs:StatAccum

264 typedef struct StatAccum StatAccum;  typedef
281 struct StatAccum {  struct
282   sqlite3 *db;              /* Database connection, for malloc() */
283   tRowcnt nEst;             /* Estimated number of rows */
284   tRowcnt nRow;             /* Number of rows visited so far */
285   int nLimit;               /* Analysis row-scan limit */
286   int nCol;                 /* Number of columns in index + pk/rowid */
287   int nKeyCol;              /* Number of index columns w/o the pk/rowid */
288   u8 nSkipAhead;            /* Number of times of skip-ahead */
289   StatSample current;       /* Current row as a StatSample */
291   tRowcnt nPSample;         /* How often to do a periodic sample */
292   int mxSample;             /* Maximum number of samples to accumulate */
293   u32 iPrn;                 /* Pseudo-random number used for sampling */
294   StatSample *aBest;        /* Array of nCol best samples */
295   int iMin;                 /* Index in a[] of entry with minimum score */
296   int nSample;              /* Current number of samples */
297   int nMaxEqZero;           /* Max leading 0 in anEq[] for any a[] entry */
298   int iGet;                 /* Index of current sample accessed by stat_get() */
299   StatSample *a;            /* Array of mxSample StatSample objects */