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Fix column range cardinality crash when histogram is null

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Signed-off-by: Michael Okoko <okokomichaels@outlook.com>
This commit is contained in:
Michael Okoko
2021-08-22 17:31:44 +01:00
committed by Sergei Petrunia
parent 058a90e6f5
commit 096995b106
3 changed files with 43 additions and 22 deletions
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3
mysql-test/main/statistics.result
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@ -1,10 +1,11 @@
set @SINGLE_PREC_TYPE='single_prec_hb';
set @DOUBLE_PREC_TYPE='double_prec_hb';
set @DEFAULT_HIST_TYPE=@@histogram_type;
drop table if exists t1,t2;
set @save_use_stat_tables=@@use_stat_tables;
set @save_histogram_size=@@global.histogram_size;
set @@global.histogram_size=0,@@local.histogram_size=0;
set @save_hist_type=@@histogram_type;
set @save_hist_type=@DEFAULT_HIST_TYPE;
set histogram_type=@SINGLE_PREC_TYPE;
DELETE FROM mysql.table_stats;
DELETE FROM mysql.column_stats;