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Bug# 19573096: LOADING CORRUPTED GEOMETRY DATA INTO A

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MYISAM TABLE CAUSES THE SERVER TO CRASH

Backport to mysql-5.1
This commit is contained in:
Sreeharsha Ramanavarapu 2015-04-10 08:45:57 +05:30
parent e65f3f6f2e
commit d2a5d9716a
1 changed files with 8 additions and 1 deletions
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9
storage/myisam/rt_split.c
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@ -1,5 +1,5 @@
/*
Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
Copyright (c) 2002, 2015, Oracle and/or its affiliates. All rights reserved.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
@ -70,6 +70,10 @@ static double mbr_join_square(const double *a, const double *b, int n_dim)
b += 2;
}while (a != end);
/* Check for infinity or NaN */
if (my_isinf(square) || isnan(square))
square = DBL_MAX;
return square;
}
@ -104,6 +108,9 @@ static void pick_seeds(SplitStruct *node, int n_entries,
double max_d = -DBL_MAX;
double d;
*seed_a = node;
*seed_b = node + 1;
for (cur1 = node; cur1 < lim1; ++cur1)
{
for (cur2=cur1 + 1; cur2 < lim2; ++cur2)