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IB: 0.2 part III

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* versioned DML: INSERT, UPDATE, DELETE;
* general refactoring and fixes.

Warning: breaks 'insert' and 'update' tests since they require part IV.
This commit is contained in:
Aleksey Midenkov
2016-09-29 11:12:46 +00:00
parent 23f4e40839
commit 1ec7dbe176
23 changed files with 354 additions and 143 deletions
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12
sql/handler.h
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@ -1385,6 +1385,11 @@ struct handlerton
*/
int (*discover_table_structure)(handlerton *hton, THD* thd,
TABLE_SHARE *share, HA_CREATE_INFO *info);
/*
Engine supports System Versioning
*/
bool versioned();
};
@ -1432,6 +1437,7 @@ handlerton *ha_default_tmp_handlerton(THD *thd);
*/
#define HTON_NO_BINLOG_ROW_OPT (1 << 9)
#define HTON_SUPPORTS_EXTENDED_KEYS (1 <<10) //supports extended keys
#define HTON_SUPPORTS_SYS_VERSIONING (1 << 11) //Engine supports System Versioning
// MySQL compatibility. Unused.
#define HTON_SUPPORTS_FOREIGN_KEYS (1 << 0) //Foreign key constraint supported.
@ -4485,4 +4491,10 @@ void print_keydup_error(TABLE *table, KEY *key, myf errflag);
int del_global_index_stat(THD *thd, TABLE* table, KEY* key_info);
int del_global_table_stat(THD *thd, LEX_STRING *db, LEX_STRING *table);
inline
bool handlerton::versioned()
{
return flags & HTON_SUPPORTS_SYS_VERSIONING;
}
#endif /* HANDLER_INCLUDED */