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Begin inserting some experimental code for the next generation query planner.

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FossilOrigin-Name: ccaf4c3f7e1ec45e058d594d9b5c26818a37722a
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drh
2013-05-02 00:15:01 +00:00
parent a309552e2c
commit f1b5f5b855
4 changed files with 249 additions and 44 deletions
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src/sqliteInt.h
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@@ -2065,6 +2065,7 @@ struct WhereInfo {
int iBreak; /* Jump here to break out of the loop */
int nLevel; /* Number of nested loop */
struct WhereClause *pWC; /* Decomposition of the WHERE clause */
struct WhereLoop *pLoops; /* List of all WhereLoop objects */
double savedNQueryLoop; /* pParse->nQueryLoop outside the WHERE loop */
double nRowOut; /* Estimated number of output rows */
WhereLevel a[1]; /* Information about each nest loop in WHERE */