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MDEV-13982 Server crashes in in ha_partition::engine_name

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table might be NULL in ha_partition::engine_name()
(test case pushed into 5.5)
This commit is contained in:
Sergei Golubchik 2018-02-14 19:15:05 +01:00
parent ce0e2c82af
commit 5f6b3f9c07
1 changed files with 1 additions and 2 deletions
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3
sql/ha_partition.h
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@ -558,8 +558,7 @@ public:
virtual THR_LOCK_DATA **store_lock(THD * thd, THR_LOCK_DATA ** to,
enum thr_lock_type lock_type);
virtual int external_lock(THD * thd, int lock_type);
LEX_CSTRING *engine_name()
{ return hton_name(table->part_info->default_engine_type); }
LEX_CSTRING *engine_name() { return hton_name(partition_ht()); }
/*
When table is locked a statement is started by calling start_stmt
instead of external_lock