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Handle failures from malloc

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Most "new" failures fixed in the following files:
- sql_select.cc
- item.cc
- item_func.cc
- opt_subselect.cc

Other things:
- Allocate udf_handler strings in mem_root
  - Required changes in sql_string.h
- Add mem_root as argument to some new [] calls
- Mark udf_handler strings as thread specific
- Removed some comment blocks with code
This commit is contained in:
Michael Widenius
2017-11-14 07:47:58 +02:00
parent 31bd86c8df
commit 87933d5261
21 changed files with 394 additions and 210 deletions
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6
sql/sql_join_cache.h
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@ -662,7 +662,7 @@ public:
enum_nested_loop_state join_records(bool skip_last);
/* Add a comment on the join algorithm employed by the join cache */
virtual void save_explain_data(EXPLAIN_BKA_TYPE *explain);
virtual bool save_explain_data(EXPLAIN_BKA_TYPE *explain);
THD *thd();
@ -1340,7 +1340,7 @@ public:
/* Check index condition of the joined table for a record from BKA cache */
bool skip_index_tuple(range_id_t range_info);
void save_explain_data(EXPLAIN_BKA_TYPE *explain);
bool save_explain_data(EXPLAIN_BKA_TYPE *explain);
};
@ -1431,5 +1431,5 @@ public:
/* Check index condition of the joined table for a record from BKAH cache */
bool skip_index_tuple(range_id_t range_info);
void save_explain_data(EXPLAIN_BKA_TYPE *explain);
bool save_explain_data(EXPLAIN_BKA_TYPE *explain);
};