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Bug#11867664: SERVER CRASHES ON UPDATE WITH JOIN ON PARTITIONED TABLE

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Regression from bug#11766232.
m_last_part could be set beyond the last partition.
Fixed by only setting it if within the limit.
Also added check in print_error.
This commit is contained in:
Mattias Jonsson 2011-03-18 11:03:54 +01:00
commit 8dbbeedf41
1 changed files with 9 additions and 1 deletions
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10
sql/ha_partition.cc
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@ -4448,7 +4448,8 @@ int ha_partition::index_read_idx_map(uchar *buf, uint index,
break;
}
}
m_last_part= part;
if (part <= m_part_spec.end_part)
m_last_part= part;
}
else
{
@ -6391,7 +6392,14 @@ void ha_partition::print_error(int error, myf errflag)
{
/* In case m_file has not been initialized, like in bug#42438 */
if (m_file)
{
if (m_last_part >= m_tot_parts)
{
DBUG_ASSERT(0);
m_last_part= 0;
}
m_file[m_last_part]->print_error(error, errflag);
}
else
handler::print_error(error, errflag);
}