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SQL: derived SYSTEM_TIME clash detection [closes #371]

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This commit is contained in:
Aleksey Midenkov
2017-12-06 06:14:22 +03:00
parent d04063c5b9
commit 84b718ae70
9 changed files with 145 additions and 75 deletions
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4
sql/sql_lex.h
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@ -575,6 +575,10 @@ public:
*/
uint8 uncacheable;
enum sub_select_type linkage;
bool is_linkage_set() const
{
return linkage == UNION_TYPE || linkage == INTERSECT_TYPE || linkage == EXCEPT_TYPE;
}
bool no_table_names_allowed; /* used for global order by */
static void *operator new(size_t size, MEM_ROOT *mem_root) throw ()