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MDEV-27229: Estimation for filtered rows less precise ... #5

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Fix special handling for values that are right next to buckets with ndv=1.
This commit is contained in:
Sergei Petrunia
2022-01-08 22:36:12 +03:00
committed by Sergei Petrunia
parent 67d4d0426f
commit 531dd708ef
4 changed files with 150 additions and 57 deletions
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sql/opt_histogram_json.h
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@@ -144,6 +144,6 @@ private:
double get_left_fract(int idx);
std::string& get_end_value(int idx);
int find_bucket(const Field *field, const uchar *lookup_val, bool *equal);
int find_bucket(const Field *field, const uchar *lookup_val, int *cmp);
};