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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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16
sql/sql_insert.cc
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@ -1161,7 +1161,7 @@ values_loop_end:
errcode= query_error_code(thd, thd->killed == NOT_KILLED);
ScopedStatementReplication scoped_stmt_rpl(
table->versioned_by_engine() ? thd : NULL);
table->versioned(VERS_TRX_ID) ? thd : NULL);
/* bug#22725:
A query which per-row-loop can not be interrupted with
@ -1582,7 +1582,7 @@ bool mysql_prepare_insert(THD *thd, TABLE_LIST *table_list,
if (!table)
table= table_list->table;
if (table->versioned_by_sql() && duplic == DUP_REPLACE)
if (table->versioned(VERS_TIMESTAMP) && duplic == DUP_REPLACE)
{
// Additional memory may be required to create historical items.
if (table_list->set_insert_values(thd->mem_root))
@ -1648,7 +1648,7 @@ static int last_uniq_key(TABLE *table,uint keynr)
int vers_insert_history_row(TABLE *table)
{
DBUG_ASSERT(table->versioned_by_sql());
DBUG_ASSERT(table->versioned(VERS_TIMESTAMP));
restore_record(table,record[1]);
// Set Sys_end to now()
@ -1866,7 +1866,7 @@ int write_record(THD *thd, TABLE *table,COPY_INFO *info)
info->updated++;
if (table->versioned())
{
if (table->versioned_by_sql())
if (table->versioned(VERS_TIMESTAMP))
{
store_record(table, record[2]);
if ((error= vers_insert_history_row(table)))
@ -1940,7 +1940,7 @@ int write_record(THD *thd, TABLE *table,COPY_INFO *info)
!table->file->referenced_by_foreign_key() &&
(!table->triggers || !table->triggers->has_delete_triggers()))
{
if (table->versioned_by_engine())
if (table->versioned(VERS_TRX_ID))
{
bitmap_set_bit(table->write_set, table->vers_start_field()->field_index);
table->vers_start_field()->set_notnull();
@ -1953,7 +1953,7 @@ int write_record(THD *thd, TABLE *table,COPY_INFO *info)
if (error != HA_ERR_RECORD_IS_THE_SAME)
{
info->deleted++;
if (table->versioned_by_sql())
if (table->versioned(VERS_TIMESTAMP))
{
store_record(table, record[2]);
error= vers_insert_history_row(table);
@ -1978,7 +1978,7 @@ int write_record(THD *thd, TABLE *table,COPY_INFO *info)
TRG_ACTION_BEFORE, TRUE))
goto before_trg_err;
if (!table->versioned_by_sql())
if (!table->versioned(VERS_TIMESTAMP))
error= table->file->ha_delete_row(table->record[1]);
else
{
@ -1996,7 +1996,7 @@ int write_record(THD *thd, TABLE *table,COPY_INFO *info)
}
if (error)
goto err;
if (!table->versioned_by_sql())
if (!table->versioned(VERS_TIMESTAMP))
info->deleted++;
else
info->updated++;