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range.result, range.test:

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Added a test case for bug #10031.
opt_range.cc:
  Fixed bug #10031: range condition was not used with
  views. Range analyzer did not take into account that
  view columns were always referred through Item_ref.
This commit is contained in:
igor@rurik.mysql.com
2005-06-28 07:27:00 -07:00
parent 8771dbf4cb
commit 451faae3c9
3 changed files with 53 additions and 5 deletions
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23
mysql-test/t/range.test
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@ -530,3 +530,26 @@ SELECT * FROM t1 WHERE status NOT BETWEEN 'A' AND 'B';
SELECT * FROM t1 WHERE status < 'A' OR status > 'B';
DROP TABLE t1;
#
# Test for bug #10031: range to be used over a view
#
CREATE TABLE t1 (a int, b int, primary key(a,b));
INSERT INTO t1 VALUES
(1,1),(1,2),(1,3),(2,1),(2,2),(2,3),(3,1),(3,2),(3,3),(4,1),(4,2),(4,3);
CREATE VIEW v1 as SELECT a,b FROM t1 WHERE b=3;
EXPLAIN SELECT a,b FROM t1 WHERE a < 2 and b=3;
EXPLAIN SELECT a,b FROM v1 WHERE a < 2 and b=3;
EXPLAIN SELECT a,b FROM t1 WHERE a < 2;
EXPLAIN SELECT a,b FROM v1 WHERE a < 2;
SELECT a,b FROM t1 WHERE a < 2 and b=3;
SELECT a,b FROM v1 WHERE a < 2 and b=3;
DROP VIEW v1;
DROP TABLE t1;