drh
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14f0e2128a
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Adjust skip-scan cost estimates slightly so that a full table scan is
preferred over a skip-scan to a column with only two distinct values.
FossilOrigin-Name: ae9a42b268ad3f7d21a5813bb931e795c6917014
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2014-09-23 01:40:59 +00:00 |
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dan
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8e9028d0f8
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Add further tests to skipscan5.test.
FossilOrigin-Name: 4b8230e8fe93e73a615a46708aed5fa3557b6228
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2014-06-28 17:35:15 +00:00 |
|
dan
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fa8874542c
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Fix a problem with using stat4 samples of type text when estimating the rows visited by a range-query/skip-scan loop.
FossilOrigin-Name: dfb09db6d412f3bc2a71bda393813783580dbad1
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2014-06-28 15:26:10 +00:00 |
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dan
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4e42ba4a35
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Fix a couple of problems in estimating the number of rows visited by a range query that uses a skip-scan.
FossilOrigin-Name: 219736f54dcd1448af3400e699f1c20755ac6876
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2014-06-27 20:14:25 +00:00 |