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| author | Alexey Botchkov <holyfoot@askmonty.org> | 2011-09-04 23:48:17 +0500 |
|---|---|---|
| committer | Alexey Botchkov <holyfoot@askmonty.org> | 2011-09-04 23:48:17 +0500 |
| commit | 6dfa30e938babc2cac59f2d5eac1f4d46a361b93 (patch) | |
| tree | 7f217d1026f46a6bf52c8cbe3f884cbd4cf12b6b /mysql-test/t/gis-precise.test | |
| parent | eefff87652cde1cb0c986fd167ed057e87230250 (diff) | |
| download | mariadb-git-6dfa30e938babc2cac59f2d5eac1f4d46a361b93.tar.gz | |
bug 839341 100% CPU usage with ST_UNION in maria-5.3-gis.
Line loops weren't recognized when collect results.
Fixed by checking if we got the same beginning point of the line.
per-file comments:
mysql-test/r/gis-precise.result
bug 839341 100% CPU usage with ST_UNION in maria-5.3-gis.
test result updated.
mysql-test/t/gis-precise.test
bug 839341 100% CPU usage with ST_UNION in maria-5.3-gis.
test case added.
sql/gcalc_tools.cc
bug 839341 100% CPU usage with ST_UNION in maria-5.3-gis.
check if we get the beginning node of the linestring, then cut the loop.
Diffstat (limited to 'mysql-test/t/gis-precise.test')
| -rw-r--r-- | mysql-test/t/gis-precise.test | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/mysql-test/t/gis-precise.test b/mysql-test/t/gis-precise.test index d2012ee795d..c2d13cfe5cb 100644 --- a/mysql-test/t/gis-precise.test +++ b/mysql-test/t/gis-precise.test @@ -204,3 +204,5 @@ SELECT AsText( ST_UNION( SELECT AsText(ST_INTERSECTION(LinestringFromText('LINESTRING(1 1, 2 2)'), GeometryFromText('LINESTRING(3 3, 4 4)'))); +#bug 839341 100% CPU usage with ST_UNION in maria-5.3-gis +SELECT AsText(ST_UNION(GEOMETRYFROMTEXT('POINT(8 1)') ,MULTILINESTRINGFROMTEXT('MULTILINESTRING((3 5, 2 5, 2 4, 3 4, 3 5))'))); |