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MDEV-4296 Assertion `n_linear_rings > 0' fails in Gis_polygon::centroid_xy.

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Forgotten DBUG_ASSERT should be replaced with the 'return error'.
This commit is contained in:
Alexey Botchkov
2013-03-19 17:16:10 +04:00
parent 2cd7cf8fe6
commit 15a7335d77
3 changed files with 13 additions and 4 deletions
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6
sql/spatial.cc
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@ -972,13 +972,11 @@ int Gis_polygon::centroid_xy(double *x, double *y) const
const char *data= m_data;
bool first_loop= 1;
if (no_data(data, 4))
if (no_data(data, 4) ||
(n_linear_rings= uint4korr(data)) == 0)
return 1;
n_linear_rings= uint4korr(data);
data+= 4;
DBUG_ASSERT(n_linear_rings > 0);
while (n_linear_rings--)
{
uint32 n_points, org_n_points;