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WL#926 "AVG(DISTINCT) and other distincts", part 2 (out of 3): clean up

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Item_sum_count_distinct, and
deploy Unique for use with COUNT(DISTINCT) if there is no blob
column in the list of DISTINCT arguments.
This commit is contained in:
konstantin@mysql.com
2005-03-15 03:46:19 +03:00
parent 98e83555a5
commit 6a2ef5577c
8 changed files with 231 additions and 314 deletions
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2
mysql-test/r/count_distinct2.result
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@ -116,7 +116,7 @@ count(distinct n)
5000
show status like 'Created_tmp_disk_tables';
Variable_name Value
Created_tmp_disk_tables 1
Created_tmp_disk_tables 0
drop table t1;
create table t1 (s text);
flush status;