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Fixed bug #16249: different results for a range with an without index

when a range condition use an invalid DATETIME constant.
Now we do not use invalid DATETIME constants to form end keys for
range intervals: range analysis just ignores predicates with such
constants.
This commit is contained in:
igor@rurik.mysql.com
2006-08-31 07:27:34 -07:00
parent d10d5b835d
commit c0389e7b0c
4 changed files with 88 additions and 1 deletions

View File

@@ -947,18 +947,24 @@ COUNT(*)
Warnings:
Warning 1292 Incorrect datetime value: '20050327 invalid' for column 'date' at row 1
Warning 1292 Incorrect datetime value: '20050327 invalid' for column 'date' at row 1
Warning 1292 Truncated incorrect DOUBLE value: '20050327 invalid'
Warning 1292 Truncated incorrect DOUBLE value: '20050327 invalid'
SELECT COUNT(*) FROM t1 WHERE date BETWEEN '20050326' AND '20050328 invalid';
COUNT(*)
0
Warnings:
Warning 1292 Incorrect datetime value: '20050328 invalid' for column 'date' at row 1
Warning 1292 Incorrect datetime value: '20050328 invalid' for column 'date' at row 1
Warning 1292 Truncated incorrect DOUBLE value: '20050328 invalid'
Warning 1292 Truncated incorrect DOUBLE value: '20050328 invalid'
SELECT COUNT(*) FROM t1 WHERE date BETWEEN '20050326' AND '20050327 invalid';
COUNT(*)
0
Warnings:
Warning 1292 Incorrect datetime value: '20050327 invalid' for column 'date' at row 1
Warning 1292 Incorrect datetime value: '20050327 invalid' for column 'date' at row 1
Warning 1292 Truncated incorrect DOUBLE value: '20050327 invalid'
Warning 1292 Truncated incorrect DOUBLE value: '20050327 invalid'
show status like "Qcache_queries_in_cache";
Variable_name Value
Qcache_queries_in_cache 0