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MDEV-16975 Application-time periods: ALTER TABLE

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* implicit period constraint is hidden and cannot be dropped independently
* create...like and create...select support
This commit is contained in:
Nikita Malyavin
2019-02-04 09:37:39 +10:00
committed by Sergei Golubchik
parent b2bd52290a
commit 6294516a56
17 changed files with 533 additions and 53 deletions
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3
sql/sql_class.h
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@ -288,7 +288,7 @@ public:
class Alter_drop :public Sql_alloc {
public:
enum drop_type {KEY, COLUMN, FOREIGN_KEY, CHECK_CONSTRAINT };
enum drop_type { KEY, COLUMN, FOREIGN_KEY, CHECK_CONSTRAINT, PERIOD };
const char *name;
enum drop_type type;
bool drop_if_exists;
@ -307,6 +307,7 @@ public:
{
return type == COLUMN ? "COLUMN" :
type == CHECK_CONSTRAINT ? "CONSTRAINT" :
type == PERIOD ? "PERIOD" :
type == KEY ? "INDEX" : "FOREIGN KEY";
}
};