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fixing wrong value for "examined rows" when UNION's are used.

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mysql-test/r/union.result:
  result for a test case for the wrong examined rows with UNION's
mysql-test/t/union.test:
  test case for the wrong examined rows with UNION's
sql/sql_union.cc:
  a patch for the wrong examined rows with UNION's
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unknown
2005-01-18 23:13:29 +02:00
parent e46d235a08
commit 59ef5bede9
3 changed files with 27 additions and 4 deletions
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mysql-test/t/union.test
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@ -481,6 +481,10 @@ select count(*) from t1 where b=13 union select count(*) from t1 where a=7;
show status like 'Slow_queries';
select count(*) from t1 where a=7 union select count(*) from t1 where b=13;
show status like 'Slow_queries';
# additional test for examined rows
flush status;
select a from t1 where b not in (1,2,3) union select a from t1 where b not in (4,5,6);
show status like 'Slow_queries';
drop table t1;
#