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fixed bug, which lead to crash mysqld by running 'mysql some_db_with_tables'

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unknown 2003-07-02 14:45:35 +03:00
parent f974646ab0
commit a03cf34f7f
1 changed files with 7 additions and 1 deletions
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8
sql/item.cc
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@ -50,7 +50,13 @@ Item::Item():
next= thd->free_list; // Put in free list
thd->free_list= this;
loop_id= 0;
if (thd->lex.current_select->parsing_place == SELECT_LEX_NODE::SELECT_LIST)
/*
Item constractor can be called during execution other tnec SQL_COM
command => we should check thd->lex.current_select on zero (thd->lex
can be uninitialized)
*/
if (thd->lex.current_select &&
thd->lex.current_select->parsing_place == SELECT_LEX_NODE::SELECT_LIST)
thd->lex.current_select->select_items++;
}