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Change the expression code generator to account for the fact that the new

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sqlite3AtoF() never returns NaN.  Also, clarification of a comment in
where.c.

FossilOrigin-Name: 75f596a04a74eb3a538c7be5b41756c970a21a1b
This commit is contained in:
drh
2009-08-21 13:22:25 +00:00
parent 9359c7b7ab
commit d00151613a
4 changed files with 26 additions and 17 deletions
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src/where.c
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@@ -3558,7 +3558,9 @@ WhereInfo *sqlite3WhereBegin(
** FROM clause entry that permits the lowest-cost, "optimal" scan. In
** this context an optimal scan is one that uses the same strategy
** for the given FROM clause entry as would be selected if the entry
** were used as the innermost nested loop.
** were used as the innermost nested loop. In other words, a table
** is chosen such that the cost of running that table cannot be reduced
** by waiting for other tables to run first.
**
** The second iteration is only performed if no optimal scan strategies
** were found by the first. This iteration is used to search for the