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(merge: 8cdcd87 a0d56ae)
When estimating the number of rows visited by a range scan for which the keys consist...
authordan <dan@noemail.net>
Mon, 16 Mar 2015 16:28:43 +0000 (16:28 +0000)
committerdan <dan@noemail.net>
Mon, 16 Mar 2015 16:28:43 +0000 (16:28 +0000)
commit5f881b8c8d3bd992e196919e10b6db4f1a47993f
treea3830954f2899913c66508232f4a13af27330a64tree | snapshot
parent8cdcd87c5339a9fde0136c9d8356e85b4d86ded8commit | diff
parenta0d56aef1859e0d9ee46ca102cc28b2f5da6e756commit | diff
When estimating the number of rows visited by a range scan for which the keys consist of more than one field, consider prefixes of stat4 samples as well as the full samples. This generates more accurate estimates.

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