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Timestamp-based versioning for InnoDB [closes #209]

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* Removed integer_fields check
* Reworked Vers_parse_info::check_sys_fields()
* Misc renames
* versioned as vers_sys_type_t

* Removed versioned_by_sql(), versioned_by_engine()

versioned() works as before;
versioned(VERS_TIMESTAMP) is versioned_by_sql();
versioned(VERS_TRX_ID) is versioned_by_engine().

* create_tmp_table() fix
* Foreign constraints for timestamp-based
* Range auto-specifier fix
* SQL: 1-row partition rotation fix [fixes #260]
* Fix 'drop system versioning, algorithm=inplace'
This commit is contained in:
Aleksey Midenkov
2017-12-18 19:03:51 +03:00
committed by GitHub
parent d5e37621cf
commit b55a149194
73 changed files with 1178 additions and 836 deletions
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9
sql/sql_table.cc
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@ -9048,7 +9048,7 @@ bool mysql_alter_table(THD *thd, const char *new_db, const char *new_name,
DBUG_RETURN(true);
}
if (table_list->table->versioned_by_engine() &&
if (table_list->table->versioned(VERS_TRX_ID) &&
alter_info->requested_algorithm ==
Alter_info::ALTER_TABLE_ALGORITHM_DEFAULT &&
!table_list->table->s->partition_info_str)
@ -9184,8 +9184,7 @@ bool mysql_alter_table(THD *thd, const char *new_db, const char *new_name,
if (check_engine(thd, alter_ctx.new_db, alter_ctx.new_name, create_info))
DBUG_RETURN(true);
if (create_info->vers_info.fix_alter_info(thd, alter_info, create_info,
table))
if (create_info->vers_info.fix_alter_info(thd, alter_info, create_info, table))
{
DBUG_RETURN(true);
}
@ -9799,7 +9798,7 @@ bool mysql_alter_table(THD *thd, const char *new_db, const char *new_name,
alter_info->keys_onoff,
&alter_ctx))
{
if (vers_survival_mod && new_versioned && table->versioned_by_sql())
if (vers_survival_mod && new_versioned && table->versioned(VERS_TIMESTAMP))
{
// Failure of this function may result in corruption of an original table.
vers_reset_alter_copy(thd, table);
@ -10384,7 +10383,7 @@ copy_data_between_tables(THD *thd, TABLE *from, TABLE *to,
error= 1;
break;
}
if (keep_versioned && to->versioned_by_engine() &&
if (keep_versioned && to->versioned(VERS_TRX_ID) &&
thd->variables.vers_alter_history != VERS_ALTER_HISTORY_SURVIVE)
{
to->vers_write= false;