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If the user provides likelihood() data for a WHERE clause term used as part of an index key, have the planner use it when calculating the expected number of rows visited by the loop.

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FossilOrigin-Name: c51efaa5d29ee0a91b9e6a83a8dd82530670811a
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dan
2014-04-25 20:22:45 +00:00
parent cfc9df76e1
commit 8ad1d8ba38
6 changed files with 111 additions and 77 deletions
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src/sqliteInt.h
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@@ -1680,9 +1680,6 @@ struct UnpackedRecord {
struct Index {
char *zName; /* Name of this index */
i16 *aiColumn; /* Which columns are used by this index. 1st is 0 */
#if 0
tRowcnt *aiRowEst; /* From ANALYZE: Est. rows selected by each column */
#endif
LogEst *aiRowLogEst; /* From ANALYZE: Est. rows selected by each column */
Table *pTable; /* The SQL table being indexed */
char *zColAff; /* String defining the affinity of each column */